HEYNE TILLETT STEEL - Key Persons

Alex Kennedy

Job Titles:

Structural Engineer
Project Technician

Alex O'Hare

Job Titles:

Associate
Senior Structural Technician

Alex's interests are focussed on movement and engineering in masterplanning and placemaking projects, enjoying being at the centre of the design and decision-making processes in project's early conception and taking the concepts through to project delivery. Joining Heyne Tillett Steel in 2020, Alex has played a key role in leading public realm and highways projects. Alex has a PGDip in Urban Design at University of Westminster and is a Young Professional member of the Academy of Urbanism. Alex has number of years' experience in the design and delivery of high-quality public realm and highways projects. He is currently leading HTS's input on Phase 2 Public Realm Works at Thamesmead, Bexley which seeks to deliver significant streetscape enhancements to improve pedestrian movement and connectivity and retrofit SuDS looking to trial innovative permeable paving technologies. Previously at Alan Baxter Alex developed detailed external works and highway design at The Old Vinyl Factory, Hayes, and British D-Day Memorial, Ver-sur-Mer, Normandy. He has also developed proposals for numerous Ealing Crossrail stations, providing strategic design advice across movement and access, highway design, amenity space, SuDs and drainage. Alex has extensive experience in masterplanning and transport planning having previously led a number of large scale developments through the planning process, including; 112,000sqm Park for AgriTech, Cambridgeshire, and Aylesbury Garden Town Masterplan.

Alex Whitehand

Job Titles:

Associate
Civil Engineer
Financial Controller

Alexandra Stoica

Job Titles:

Senior Structural Engineer
Structural Technician

Ali Yaqoob

Job Titles:

Associate
Structural Technician

Amy Leggett-Auld

Job Titles:

Structural Engineer

Andres Estandia

Job Titles:

Director
Structural Engineer

Andrew Middlebrook

Job Titles:

Associate Director
Director

Using a strong technical background and an intuitive understanding of how structures work, Andrew has extensive experience of successfully delivering complex, high-profile projects. He believes that developing smart, elegant structural solutions in a collaborative design, commercial and construction team is key to achieving low embodied carbon design on every project. Since 2008 Andrew has worked around the globe across all sectors to lead the structural design of projects ranging from a domestic scale to international infrastructure hubs. At Heyne Tillett Steel he has delivered a range of prestigious projects in London, such as the complex transformation of the 1970s Camden Town Hall Annexe into The Standard hotel. This involved justifying and maximising the reuse of existing building fabric to minimise the quantities of new material required. Away from Heyne Tillett Steel, Andrew has worked at global multidisciplinary firms on the structures of major international projects such as the KASC Stadium in Jeddah, the Singapore Sports Hub Stadium and the roof of the Third Runway Concourse at Hong Kong Airport. He also joined Holmes Consulting Group in Christchurch, New Zealand in order to contribute innovative structural analysis and design to efforts to rebuild the city following the 2010 and 2011 earthquakes.

Andrew Prebble

Job Titles:

Senior Associate
Project Technician

Andrew Roberts

Job Titles:

Senior Structural Engineer

Andy Curry

Job Titles:

Senior Associate
Structural Engineer

Andy is an Associate at HTS with over 8 years' experience working on projects from early conceptual stage through to completion, producing efficient and practical schemes. He particularly enjoys the buildability and construction aspect of engineering and designing an integrated temporary and permanent solution, which utilises the existing structure and carefully considers construction sequencing to reduce project programme and cost. Since joining Heyne Tillett Steel in 2016 Andy has been involved in several complex refurbishment and cut and carve projects on constrained sites, including 24 St James's Square and City Gate House which pioneered the concept of total engineering at HTS. He has also completed refurbishment schemes on a variety of listed structures, principally Old Burlington Street a Grade I listed building in Mayfair and Manor House in Soho. Recently, Andy has been working on several high profile new build office projects, such as Worship Square, a nine storey commercial building with double basement in Shoreditch designed by Make Architects and Townsend House, a six storey mixed office and residential building designed by Squires and Partners. Andy enjoys working as part of the wider design team and with the contractor to develop solutions that benefit the broader project. He strives to investigate, interrogate, understand and resolve the complex issues with creative solutions.

Andy Delahunty

Job Titles:

Structural Engineer
Senior Structural Engineer

Andy Heyne

Job Titles:

Associate
Director

Andy has over 25 years' experience as a London-based structural engineer, working on a diverse range of projects with the UK's leading architects and clients. He particularly enjoys opportunities to contribute to quality architecture, whether through finding creative structural solutions to unusual architectural forms, or by directly exposing the structure within the finished building. Andy considers his best attribute to be his strong technical skills, having successfully delivered award-winning projects using an expansive array of structural materials and responses, and where both appropriate and beneficial is always keen to innovate by incorporating new materials, technologies and ideas. His approach has a strong collaborative emphasis, believing that successful buildings depend upon close integration across all disciplines, which in turn necessitate excellent communication skills and a thorough understanding of all aspects of building design. Having worked on over 30 projects at HTS using engineered timber, Andy is a keen proponent of mass timber structures, and regularly talks and writes articles within the wider sector. He is currently working on The Gramophone Works, Technique, Brent Cross South and Grays Inn Road amongst others.

Andy Tyler

Job Titles:

Structural Engineer
Senior Associate, Head of Geotechnical

Andy leads the Geotechnical Engineering team HTS which streamlines in-house problem solving and provides further efficiencies at each stage of the design process. Andy is a Chartered Geologist, a Fellow of the Geological Society and sits on the UK Register of Ground Engineering Professionals. With 18 years of experience in geotechnical engineering, Andy has worked on a wide variety of major projects across the UK and internationally, including high-rise commercial developments, remedial slope stabilisation, water treatment plant investigations and foundation inspections. Andy has a wealth of experience in the application and interpretation of site investigations in the UK. In London in particular, he focuses on the growing importance of foundation reuse for both commercial and residential projects, often involving constrained sites. Previously an Associate Director at RSK, Andy has worked with HTS for over 8 years on a large number of projects. As a consultant on 63 Coleman Street, Andy implemented a site investigation to characterize the site conditions, undertook a 3D FE analysis of the proposed rafted foundation solution and conducted asset assessments for nearby LUL and Thames Water infrastructure.

Aneta Obrzut

Job Titles:

Structural Engineer

AR Accountant Michal Krzyzewski

Job Titles:

Accountant
Team Coordinator

Arian Mohammadzadeh

Job Titles:

Senior Associate
Structural Engineer

Arjun Peethambaram Menon

Job Titles:

Structural Engineer
Senior Structural Engineer

Ben Thompson

Job Titles:

Senior Structural Engineer

Ben Woodwiss

Job Titles:

Associate
Senior Associate

With over 14 years' experience, Ben is particularly skilled in the delivery of high-end residential developments and commercial refurbishments. He is passionate about designing intelligent structural solutions for elegant and carefully crafted buildings. During his time at HTS Ben has worked on a wide range of complex projects across a number of different sectors. His recent projects include The Buckley Building for Derwent London, a 1930s warehouse building redeveloped for office use through the infilling of cores, Links Way, a double storey basement and three-storey residential property with a raising pool floor in Northwood and Market Place, a two-storey extension to an existing RC frame on Oxford Street that also relocated the structural core. Ben has recently returned from Christchurch, New Zealand where he led a structural team working on a challenging seismic engineering project. Having previously worked at AKT/WYG he has developed experience in the delivery of cost-effective buildable solutions for clients and contractors. Notable projects include the £330m and £550m Pinderfields and Birmingham Hospitals, the Stone Towers in Egypt with Zaha Hadid and Project Wellington with Fosters and Partners. Ben became an Associate with Heyne Tillett Steel in 2021.

Bradley Smith

Job Titles:

Structural Engineer
Senior Structural Engineer

Bryony Coombs

Job Titles:

Finance Assistant
Structural Engineer

Callum Doran

Job Titles:

Finance Assistant
Senior Software Developer

Camilla Pellecchia

Job Titles:

Structural Engineer

Carmel Lennon

Job Titles:

Associate Director
Director

Carmel has experience working on a wide range of development schemes across all sectors including schools, university and housing. Carmel's project experience includes the detailed design of below ground drainage and external works, as well as highways works and transport planning for large developments across the UK. Carmel has extensive experience of liaising with highways authorities and TfL for highways improvement works to support developments which are expected to cause a strain on the surround highway network. Before joining HTS Carmel worked at Price & Myers for four years where she worked on the civils design for numerous projects as well as guiding schemes through planning, taking responsibility for SUDS Strategies, Flood Risk Assessments and Transport Assessments. At Heyne Tillett Steel, Carmel's recent work includes planning submissions for complex residential developments in areas at significant risk of flooding from rivers. She has also carried out the detailed design of highways for large residential developments working closely with landscape architects. Carmel joined Heyne Tillett Steel in January 2018 and promoted to Director in 2023.

Charlie Hill

Job Titles:

Structural Engineer
Civil Technician

Charlie Rudd

Job Titles:

Associate
Structural Engineer

Charlie joined Heyne Tillett Steel in February 2016 and has gained extensive experience in flood risk assessments and drainage design, working on a wide range of projects including large residential developments, public realm schemes and educational campuses. Charlie also has experience producing detailed designs incorporating SuDS into below ground drainage and external works and is familiar with liaising with relevant local sewerage undertakers to carry diversions, connections and adoptions of public sewers. Recent projects include Blackwall Reach, a large residential development which incorporates many different SuDS elements such as swales, raingardens and below ground attenuation to meet the SuDS planning requirements. He is also experienced in public realm design having delivered strategic design advice at Battersea Arts Centre to improve the external area around the site by providing a new shared surface road, tree pits and raised planters. Charlie worked with different suppliers and manufactures of materials to provide the best most cost-effective solution. He began his career in 2012 when he started his apprenticeship in civil engineering at Peter Brett Associates. Here he gained a wide range of skills working in both the transport and civils team.

Chris Moore

Job Titles:

Associate
Team Coordinator

Chris joined Heyne Tillett Steel (HTS) in 2014 as a Senior Engineer and has experience of working with a variety of construction materials on projects of varying scale, from a bespoke timber pavilion for The Chelsea Flower Show to Chatham Place, a 19-storey reinforced concrete frame residential development in Reading. He enjoys the collaborative process in developing structural solutions and his holistic approach enables Chris to effectively lead and manage teams of engineers in delivering projects. During his time at HTS, Chris has completed work on projects including 30 Broadwick Street, a £30m eight-story new build steel frame office development for Great Portland Estates and Nottingdale Village Phase 3, two RC frame commercial and residential buildings up to five-storeys with AHMM. His current projects include several office fit-outs requiring structural alterations and installation of new feature staircases, plus work on new build office developments. One of which is 127-143 Oxford Street, where several buildings were demolished and replaced with one new eight-storey retail and office building, including double height basement and retained facade with LDS Architects. Prior to joining the practice, Chris worked on a number of prestigious UK and oversees projects including Cairo Expo City with Zaha Hadid Architects and Phase 1 of the Battersea Power Station redevelopment.

Connor Breslin

Job Titles:

Structural Engineer
Senior Structural Engineer

Cory Doxilie-Udennis

Job Titles:

Civil Technician

Cristina Ionescu

Job Titles:

People Assistant
Senior Structural Engineer

Dalya Naji

Job Titles:

Civil Engineer
Structural Engineer

Damiano Pellegrino - CFO

Job Titles:

Associate
Finance Director

Damiano has 15 years' experience in the industry as a UK-based structural engineering technician, after beginning his career in Italy. Specialising in structural drafting he has worked on a wide range of projects up to £80M in value, including new-build concrete, steel, timber, and refurbished structures. Fully proficient with Revit, Autocad, Dynamo, Navisworks and experienced in BIM level 2 projects, Damiano particularly enjoys using advanced programming to improve communication between various three-dimensional drawing and analytical information platforms. He is passionate about BIM technologies and continually researches the latest tools available for the design team to maximise their productivity and improve opportunities for innovation. Throughout his career Damiano has been instrumental in improving CAD protocols through developing new Revit templates, Revit families and Dynamo scripts. At HTS he has gained experience working on several BIM level 2 projects, such as 2 Dove House Street and Auriens Chelsea, named Project of the Year at the BIM Awards 2020.

Daniel Piper

Job Titles:

Associate
Senior Structural Engineer

Daniel has an enthusiastic, methodical and engaging work ethic and works hard to create a highly personal approach within a project team and enjoys being a part of complex, challenging and unique schemes. With 12 years' experience, Daniel has worked on a wide variety of major projects within London and the South-East including large-scale redevelopment of existing structures, new-build private sites and the adaption of complex existing structures. Daniel undertakes a keen role on all projects he has a role in and endeavours to produce smart, thought-out and engaging solutions. His current project list includes Dolphin Square, which is a redevelopment and extension of an existing pre-war residential building in Westminster, London; Wellington Hotel, a refurbishment of existing 4-8 storey buildings, which have recently been used for office, residential, retail and restaurants, into a new hotel in Covent Garden, London; and Woolgate Exchange, proposed substantial refurbishment of an existing steel-framed office building within the City of London. Following graduation, he has spent 10 years working in London, working for both Waterman and Elliott Wood. He passed his chartership exam in 2019.

David Miller

Job Titles:

Director
Structural Engineer

David relishes the challenge of understanding complex structures, both new and existing, and has a rigorous approach to design in a wide range of materials. He is always looking for opportunities to produce a more efficient design by understanding the fundamentals of a structure. He enjoys building close relationships with the design team to facilitate a creative environment for successful and intelligent design. Throughout his career, David has had the opportunity to work on a wide range of structurally and architecturally challenging projects. His experience includes not only residential, commercial and educational buildings, but also sculptural work, galleries and large scale stage design. David began his career in Manchester at Ramboll whitbybird following graduation in 2005 from the University of Manchester. He then relocated to London and spent 4 years working at Atelier One, before joining Heyne Tillett Steel in 2011 as a Chartered Engineer, becoming an Associate in 2013. In 2016 David relocated to Manchester and progressed his career at renaissance Associates where his experience developed further throughout the commercial, residential and arts sectors, including complex refurbishment of listed properties and the delivery or a number of large scale residential developments up to 20 storeys in height. David returned to Heyne Tillett Steel in May 2021 as Associate Director to lead a new Manchester office and to develop the practice profile in the North West.

David Wanley

Job Titles:

Director
Senior Associate

David has over eleven years' experience as a London based structural engineer. He is passionate about working on refurbishment projects in residential and commercial settings and enjoys the technical challenges that refurbishment of historic structures can bring. David began his career at Structure Mode and worked primarily on of high-end residential refurbishments and developments. As a senior structural engineer, he was responsible for several private residential basement developments below existing structures within Westminster and the Royal Borough of Kensington & Chelsea. At StructureMode David was involved in a number of refurbishments to listed and historic buildings, such as the German Embassy London (grade I), Hampstead high street (grade I, circa 1600's construction) and the ZDF Television Studios London (grade II*). Since joining Heyne Tillett Steel in 2013, David has worked on commercial refurbishments at Dartmouth Street, Pall Mall and Cavendish Square. He has also supplemented his experience of refurbishment works to listed buildings and knowledge of historic building structures on a mix of high-end private residential developments, including works at Upper Grosvenor Street (grade II), Carlyle Square, Eaton Square and Park Lane. David is currently involved with reconfiguration of a mixed use buildings at Duke Street and private residential projects at Queens Grove, Devonshire Place (grade II), and St Mary Abbots Place.

Declan Goodfellow

Job Titles:

Senior Structural Engineer

Dee Voaden

Job Titles:

Associate Director
Chartered Member of the IStructE
Senior Structural Engineer

Dee is enthusiastic about building structures, specialising in complex refurbishment projects on constrained urban sites. Since joining Heyne Tillett Steel in 2013 Dee has worked on a variety of refurbishment and new build projects across the sectors. These include the refurbishment and extension of four existing, interconnected load-bearing masonry and steel buildings at Mount Pleasant and the development of the Grade II listed site at Portobello Dock, including the construction of a new contemporary pavilion. Dee is currently working on the redevelopment of a site in Clerkenwell which will see the refurbishment and extension of an existing Victorian school building and the construction of a new hotel, and a part-new build part refurbishment project in Bethnal Green to provide new co-working office accommodation. Dee started her career with Clarkebond engineering and management consultants in 2002 working in their Exeter office as a CAD Technician. She developed a passion for engineering and went on to complete a degree at the University of Exeter. After graduating Dee joined Scott White and Hookins consulting engineers in their Winchester office and was involved in a wide range of projects in both the public and private sectors. Dee became a Chartered member of the IStructE in 2017 and was promoted to Associate in 2018.

Dhiren Pankhania

Job Titles:

Associate

Eamonn Keane

Job Titles:

Senior Associate
Structural Engineer

Eamonn joined Heyne Tillett Steel in 2016 and has a wealth of experience designing and delivering projects from inception through to completion. Eamonn's focus is on understanding client objectives and developing appropriate solutions based on clear communication with the design team. He is committed to producing elegant and sustainable structural designs for projects of varying type and scale. He is currently working on a variety of high-profile new build and refurbishment projects including Wells House on Oxford Street, a nine storey new build with double storey basement, and the Edmonton Green Shopping Centre masterplan redevelopment. Prior to joining HTS, Eamonn spent one year working in the structural department of Arup as part of his Engineering Design degree course, gaining valuable experience from an early age. After graduating in 2011, he spent five years working for Lyons O'Neill structural engineers, and was given the opportunity to work within a range of sectors including private residential, large-scale commercial, environmental, and education.

Elizabeth Keenan

Job Titles:

Associate
Associate, Head of People

Elliott Furminger

Job Titles:

Director
Structural Engineer

Elliott is a dedicated structural engineer who focuses on providing the best possible solution to suit the aspirations of the client and design team. Seeing projects through to completion and creating structural designs is a great source of satisfaction for Elliott who has experience in a wide range of sectors, working in all the major construction materials on projects of varying scale. He relishes the challenges of complex new build and refurbishment projects in London. Elliott began his career at Mott MacDonald after gaining a distinction in his Master's Degree. His roles included being based on site for a year and also working as a Project Manager. He joined Heyne Tillett Steel in 2014 to return back to a design-led position and was made an Associate in 2017. Elliott became chartered with the ICE in 2013 and the IStructE in 2016. He currently oversees Graduate development at Heyne Tillett Steel and co-organises the internal chartership exam preparation.

Emily Exford

Job Titles:

Civil Engineer
Structural Engineer

Erin Human

Job Titles:

Senior Structural Engineer
Team Coordinator

Francisca Briota

Job Titles:

Director
Research Engineer

George Carlin

Job Titles:

Associate
Director

George is a chartered structural engineer with 8 years' experience across multiple sectors, both in the UK and overseas. Over his professional career, he has worked on commercial, industrial, infrastructure and residential projects. Since joining HTS in 2019, George has worked on many large residential projects including: HKC, a 38-storey tower in the centre of Karachi in Pakistan, 22 Grosvenor Square, a listed hotel refurbishment in Mayfair, Argenta House, a complex tower constructed over a function flood plain and Blackwall Reach Phase 2 a large-scale masterplan development in Poplar. George excels when working as part of a design team helping deliver economic and innovative solutions to all his projects. He has good experience working across all design stages from concept through to construction, across both traditional and Design and Build Contracts. George graduated in 2015 with a Masters in Structural Engineering. Through his degree he gained an excellent understanding of structural analysis and behaviour along with the ability to design using the core structural engineering materials. George's specialist area is the design and analysis of reinforced concrete structures, with George heading up our in-house Concrete Focus Group. Through links with the fIB and IStructE, he keeps abreast of innovations and research in the structural use of concrete bringing new ideas and options to RC schemes.

George Daly

Job Titles:

Associate
Senior Structural Engineer

Georgina Taylor

Job Titles:

Structural Engineer

Giorgio Cardone

Job Titles:

Associate Director
Chartered Engineer
Structural Engineer

Giorgio has worked as structural engineer since 2005. Through his career he has worked with leading architects on a diverse range of new-build and refurbishment projects, gaining extensive experience in the innovative use of traditional and modern materials across various types of structural forms. Giorgio has a pragmatic approach to building design, aiming to enhance the structural performances of buildings in ways that satisfy the demands of the clients, architects and end users. He has successfully completed a series of projects including high spec residential and hotel developments, multi-functional school buildings and commercial developments in UK. He is currently leading the projects for the conversion of a mansion block into a luxurious hotel, the redevelopment of two commercial buildings in Central London and life science buildings in Stevenage and Cambridge. After graduating in 2004 Giorgio became a Chartered Engineer in Italy in 2005 and Chartered Civil Engineer in the UK in 2011. He joined Heyne Tillett Steel in 2012 as a Senior Engineer and has worked on various projects in the high residential, hospitality, commercial and educational sectors since. Giorgio was made Associate in 2015, Senior Associate in 2020 and Associate Director in 2022.

Giovanni Alcuri

Job Titles:

Associate

Giovanni has over eight years of professional experience across various sectors and working with a wide range of construction materials. He is an advocate for sustainable development and fascinated by historic buildings and the challenges required to make them fit for their future uses. His specialties also include structural dynamics and seismic design. He has successfully delivered new build projects of various scales in the residential, education and healthcare sectors as well as complex refurbishments and extensions of historic buildings, including several Grade I and II* listed theatres in the West End of London. Giovanni is currently Project Engineer on 76 Upper Ground, a large refurbishment a 1980's reinforced concrete frame with AHMM architects involving the justification and strengthening of the existing structure for the proposed increased loads. After graduating in 2014, he worked both in Italy and in the UK. Prior to joining Heyne Tillet Steel in 2022, Giovanni worked at AKT II where he was lead engineer for the superstructure on a large residential development in Giovanni became a Chartered Senior Structural Engineer in 2019 and was promoted to an Associate in September 2023.

Gordon Armstrong Payne

Job Titles:

Director
Senior Associate

Gordon joined Heyne Tillett Steel in 2017 and has been involved in various complex projects in central London. He is passionate about the adaptive reuse of existing structures and has experience working from early conceptual stage through to completion on a range of commercial, residential, hotel and education projects. Gordon enjoys working with the wider design team to develop efficient and elegant solutions for complex engineering challenges. He has an interest in the buildability aspect of projects and enjoys working closely with project teams to resolve site-based issues. He has recently completed a heavy refurbishment of an 1970s RC frame in with a large steel-framed roof extension at 1 Berkeley Street. He is also working on the delivery of Kings Walk Estate, a new build RC frame with low carbon, exposed concrete structure which is due to complete in 2021. Gordon spent three years whilst at University designing and constructing two bespoke houses in Dundee, gaining valuable experience from an early age. After graduating from the University of Dundee in 2014, he moved to London and began his career with WSP.

Guillaume Godbehere

Job Titles:

Senior Civil Engineer
Senior Structural Engineer

Gustaf Granstrom-Steer

Job Titles:

Engineer
Senior Associate

Gustaf is an enthusiastic engineer with a unique and proactive approach to design, collaboration and investigation. He has a broad base of experience working on new-build and refurbishment projects in commercial, residential, educational and retail sectors. Gustaf has worked on large new-build projects including central London timber office buildings, Argent's residential development in Kings Cross, Exemplar's London Fruit and Wool commercial development in Spitalfields and Aviva's Nuffield and Pegasus House on Piccadilly. He has also worked on a number of refurbishment projects such as a development over the original Kings Cross train station, the 1900s KOKO theatre building in Camden, and several refurbishments of listed buildings for The Crown Estate. Gustaf passed his chartership exams within four years after graduating with an MEng from the University of Bath and likes to take on challenges head on. He chairs the company's timber focus group, and enjoys working with timber in all its forms from designing engineered timber buildings to modular construction to restoration of historic oak structures.

Hannah Doheny

Job Titles:

Senior Associate, Research and Innovation

Harry Harper-Dowe

Job Titles:

Senior Structural Engineer

Harry Smith

Job Titles:

Senior Technician
Project Technician

Iulia Pavlicsek

Job Titles:

Structural Engineer
Senior Structural Technician

Izzy French

Job Titles:

Structural Engineer

Jack Carroll

Job Titles:

Associate
Structural Engineer

Jagoda Serafin

Job Titles:

Structural Engineer
Senior Structural Engineer

Jake Kearney

Job Titles:

Senior Technician
Project Technician

James Morgan

Job Titles:

Director
Senior Structural Engineer

James is an experienced engineer who enjoys the challenge of developing structural solutions which integrate new designs into existing buildings. He is passionate about designing clever and creative solutions to complex engineering problems and the benefits they can bring to a project, as well as the positive impact that good design has on a community. James has successfully led large-scale commercial, residential and cultural developments in the UK and overseas. He is currently working on the renovation of a Grade II listed theatre in Camden; the refurbishment of a 1920's office building in the West End; the renovation of listed town hall buildings and 200 new-build homes in Hornsey and an eight-storey new-build office building in Shoreditch with a two-storey basement across the full footprint of the site. After graduating from the University of Plymouth in 2002 James began his career at Jacobs. He spent five years working for Meinhardt in their Melbourne office, completing the extension to Melbourne airports international terminal and returned to London in late 2010. James joined Heyne Tillett Steel in 2011 and became a Director in 2018.

James Mumford

Job Titles:

Associate Director
Structural Engineer

Since joining Heyne Tillett Steel in 2012, James has worked on a variety of refurbishment, extension and new build projects across the sectors. These include Walmar House (RFK Architects), a mixed use refurbishment and extension project behind a partially retained and listed façade above a Victoria Line tube station; Shepherdess Walk (Buckley Gray Yeoman) involving the heavy refurbishment of an existing office building with the addition of two extra floors and a seven storey rear extension; and work on a number of listed buildings within central London. As a result, he has gained valuable experience in the innovative use of materials and construction techniques, and understands how creative engineering solutions drive value for the project. James is also working on a number of projects in the small scale residential and institutional fields with up and coming architects. Projects include the design and construction of a retractable canopy at the Charles Dickens Museum, a hanging banqueting table for a restaurant and the regeneration of an East London charity playground. After working for a manufacturing consultancy following graduation, James returned to the building industry with Barton Engineers in 2010 working on a variety of projects in the residential, institutional and educational sectors. He became a Chartered member of the IStructE in 2014 and was promoted to Associate in 2016.

Jess Penn

Job Titles:

IT Support

Jessie Britnell-Craven

Job Titles:

Civil Engineer

Jeta Daco

Job Titles:

Structural Engineer
Team Coordinator

Joanna Witusinska

Job Titles:

Marketing and Communications Coordinator
Structural Technician

Johnny Tang

Job Titles:

Structural Engineer
Senior Structural Engineer

Jonathan Constans - CIO

Job Titles:

Head of IT
Senior Associate
Senior Technician

Jonathan is an experienced Information Technology Manager with over 17 years' experience throughout the architecture and design industries. Jonathan heads up the IT department at HTS, managing the effective server, network and cloud integration for a team of over 130 engineers. With a keen eye for detail and a background in architectural photography, Jonathan also leads the practice's drone programme. The practice is pioneering the use of drones to record the progress of our projects and report our site visits to clients and collaborators. Jonathan works closely alongside engineers, directors and technical staff to capture projects at key points in their programme. He has also been working with wider project teams to utilise drone technology to record and survey typically hard-to-reach areas of a building including facades. Jonathan is fully qualified to use a drone on sites across London and holds a CAA license.

Jonathan Flint

Job Titles:

Senior Associate

Jonathan's experience ranges across the full design spectrum, from concept to detailed design as well as site roles. Since joining Heyne Tillett Steel in 2013 Jonathan has played a major role in commercial refurbishment projects, as well as the redevelopment of heritage and public buildings. Jonathan leads new-build and refurbishment projects often incorporating basement construction, adding storeys and re-coring. He drives the optimisation of existing building structures through detailed research and discrete investigations, often managed around people occupied spaces. Jonathan enjoys working in a collaborative design environment and has completed projects using modern methods of construction including engineered timber, SIPs and precast concrete. His current workload includes the largest single refurbishment project to be undertaken by The Duchy of Lancaster on a constrained site in central London surrounded by signiﬁcant historical assets. In addition he is working on a 30 storey new-build residential & hotel tower project in West India Dock. Following graduation Jonathan joined Capita Symonds Structures in Manchester, where he worked on a variety of BSF projects across the North West & Midlands, a new-build city-centre hotel and the redevelopment of Lancashire County Cricket Club.

Jonathan Macdonald

Job Titles:

Principal
Technician

Jordan Fraser

Job Titles:

Senior Associate
Senior Structural Engineer

Josh Nunns

Job Titles:

Associate
Structural Technician

Juned Ahmed

Job Titles:

Structural Engineer
IT Support

Kaily Fox

Job Titles:

Marketing Manager
Structural Engineer

Kathryn Brockhouse

Job Titles:

Structural Engineer
People Assistant

Katie Dodd

Job Titles:

Geotechnical Engineer
Senior Structural Engineer

Katrina Wylie

Job Titles:

Associate
Civil Engineer
Senior Structural Engineer

Katrina is a Civil Engineer 6 years' experience working on a wide range of developments within the public and private sector. Katrina's project experience includes providing Flood Risk Assessments and Sustainable Drainage (SuDS) strategies to support developments to outline and detailed planning. At Heyne Tillett Steel, Katrina's recent work has focused on masterplan developments, producing flood risk assessments, SuDS strategies and constraint plans for large mixed-use developments. She has also carried out the detailed drainage design for residential and commercial schemes. Current projects include a residential development in Cumbria where she is leading the SuDS, Flood Risk and Transport design, including designing the United Utilities sewer diversion, and the redevelopment of the former Central Saint Martin's site in Holborn. Katrina has worked on pre-planning work, and beyond has worked on detailed drainage design, external works and highways design up to construction. Before joining HTS in 2019 Katrina worked at AECOM modelling below ground drainage for building structures projects, as well as assessing flood risk within Flood Zone 3. Katrina was promoted to Associate in September 2023.

Khizer Khan

Job Titles:

Associate Director
Senior Associate

Khizer has significant experience developing intelligent solutions that positively contribute to the client's aspirations on a diverse range of projects, whilst driving sustainable, elegant, and buildable designs. Khizer has successfully incorporated innovative, cost-effective solutions for projects working within in a multi-disciplinary environment and with stakeholders at all levels. He has valuable experience in a range of sectors including hotels, life-science, education, sports, and leisure, commercial and residential. Utilising the capabilities developed over his career, he has helped to add value to the design and construction of new build and refurbishment projects with a focus on sustainability throughout the project life cycle. Khizer is currently leading the refurbishment at 200 Grays Inn Road, an iconic Norman Fosters building, which will have key architecturally exposed interventions, including a mass timber pavilion at the roof level with an exposed soffit, complex feature stair and mass timber infills on typical floors. Khizer's previous work includes the refurbishment of three Grade II listed 18th century Georgian terraces, one of which was a four-storey building with an existing basement that experienced significant water ingress resulting in degradation to the existing timber and masonry structures. Khizer worked closely with the contractor and design team to repair and reinstate the structure, whilst improving on the amenities within each building for new commercial tenants. After graduating from the University of Manchester in 2013, Khizer joined Ramboll UK, then joined Heyne Tillett Steel in 2020.

Krzysztof Marcinkiewicz

Job Titles:

Associate Director
Engineer

Krzysztof joined Heyne Tillett Steel in 2014, working for the practice for four years, during this time he was involved in a number of commercial and residential developments. These include 160 Old Street, extensive refurbishment of a 1970s office building which saw the building area almost double in size through provision of roof and side extensions; 2-4 Balfour Mews, a façade retention and basement extension under two Mayfair mews houses; The Morrison Pub, a new built RC framed building and basement extension on a site previously occupied by a public house. He rejoined the practice in 2019 and is currently involved in several mixed use and commercial schemes in London. Krzysztof is an internationally educated engineer with a specific interest in advanced structural modelling and seeing projects built on site. Krzysztof enjoys the working with design teams to provide simple and efficient solutions to complex projects.

Laura Batty

Job Titles:

Associate
Senior Associate, Research and Innovation

Laura is HTS' first full-time research engineer, working on developing HTS+ and best practice projects with a focus on sustainability and linking structural engineering research to practice. She is continuously developing HTS' understanding and practical implementation of low carbon and circular structural design, researching sustainable materials, circular design and composite engineered timber. She also provides ongoing support for best practice and technical queries, and disseminating research across the practice. In her previous role at HTS, Laura was the project engineer on a variety of buildings including the refurbishment of the Grade II* listed Hornsey Town Hall and a new four-storey basement at a private residence. Alongside her project work Laura was heavily involved in HTS+, which enabled her to continue to cultivate her interest in the research, testing and development of innovative structural concepts. Laura joined HTS in 2018 having previously spent four years working in the United States. She has worked on a wide range of projects including museums, public schools and culturally sensitive historic preservation projects, using modern software and analysis methods to understand historic structures and explore architectural concepts.