ISHA - Key Persons


Alwyn Lewis

Job Titles:
  • Member of the Board
Alwyn Lewis is the former Chief Executive of Hornsey Housing Trust and has had a 40-year career in the third sector. He has a track record in social housing and a reputation for putting tenants first and for making things happen. He was attracted to the role at ISHA because of our strong social purpose, our desire to deliver high-quality services and to positively effect social change, especially with ethnically diverse communities who experience social and economic disadvantages.

Daven Masri

Job Titles:
  • Member of the Board
  • Founding Director at Wave Consulting Digital Engineers
  • Shared Owner
Daven is an ISHA shared owner. Being able to own a portion of his own home so improved his life that he was inspired to apply for a Board Member role to ensure that others could continue to benefit from the same opportunity. He hopes that his resident's perspective will serve the Board well and lead to more affordable homes that enrich the communities ISHA operates within. An environmental engineer for more than 10 years, Daven is a Founding Director at Wave Consulting Digital Engineers which focuses on Building Information Modelling (BIM) and environmental design. He strongly believes in creating homes that perform well, using fewer resources in construction and occupancy.

Dawn Harrisson

Job Titles:
  • Director of Housing & Neighbourhoods
Dawn has been with ISHA since 2016 as Head of Customer Homes and was promoted in 2019 to become Director of Housing and Neighbourhoods. Dawn has over 25 years' experience working in housing in both the public and private sector. She is excited by the challenge of delivering our shared vision of a cracking landlord service and ensuring our homes are safe for everyone. Dawn is looking forward to working with our tenants and residents to understand what they expect from us as a landlord and for them to help shape the services we deliver.

Gary Pliskin - CFO

Job Titles:
  • Finance Director
Gary qualified as a Chartered Accountant in the mid 1990s. He worked in a number of senior finance positions in the private sector, before joining Barnet Homes Ltd in 2005. As the Head of Finance at Barnet Homes Ltd, Gary was responsible for the financial management of 15,000 properties and an associated £160m Decent Homes programme.

Gemma Colby

Job Titles:
  • Member of the Board
  • Head of Customer Experience at Yell
Gemma Colby is Head of Customer Experience at Yell. In 2021 she was Gold winner for CX Leader of the Year at the UK Customer Experience Awards 2021 and also was part of the team at Yell that won the Institute of Customer Service's Customer Satisfaction Innovation Award for creating a customer-focused culture that transformed the organisation. Gemma joined the Board in September 2022. She sees it as a great opportunity to transform lives and is excited to contribute to an organisation that has ambitious plans with a social purpose. Gemma is passionate about customer experience and using it to deliver amazing end-to-end experiences. She feels it is a great time to join our Board, help us deliver our strategy and transform our service delivery to change people's lives for the better.

Heather Topel

Job Titles:
  • Member of the Board
  • Chairman of Audit & Risk Committee )
  • Director of Development for the Grosvenor Estate
Heather has extensive experience in town planning, property and development. Heather is currently a Director of Development for the Grosvenor Estate, a family business with a long track record of developing, managing and investing to improve properties and places to deliver lasting commercial and social benefit. Prior to joining Grosvenor, Heather led Cambridge University's largest capital project in its 800-year history, the North West Cambridge Development, a 3,000 home extension to the city of Cambridge. Heather was previously a Director of Town Planning at AECOM, where she led planning and regeneration initiatives across the UK and abroad. As a local resident Heather is delighted to be involved with ISHA due to its commitment providing quality affordable housing for local people.

Janet Mussington

Job Titles:
  • Director of Development
Janet joined ISHA as a Development Consultant before stepping into the role of Director of Development. Janet brings a wealth of experience, having worked in the housing sector most of her career, with a core focus on customer-focused development and regeneration. As well as working for multiple small housing associations throughout her career, Janet was previously the Head of Development for London at Sanctuary Group.

John Biggs

Job Titles:
  • Member of the Board
John joined the Board in September 2022. He was the Executive Mayor of the London Borough of Tower Hamlets from 2014 to 2022 and a former London Assembly member. For several years, John was also an active social housing resident in his local residents' association.

June Riley

Job Titles:
  • Member of the Board
June began her training in accountancy by entering the NHS as a graduate trainee shortly after leaving University. She is a qualified accountant and completed an accredited MBA with Manchester Business School to add value to her career as an accountant. June has worked in housing for almost 20 years and was a Finance Director in a housing association managing over 17,000 homes. She is now a Group Finance Director in one of the largest mental health charities in the country. June has served in a voluntary capacity on several Boards, including Newham Homes Ltd, which was managing over 27,000 homes. She is currently serving as a Senior Independent Director on The Barnet Group Board and is pleased to be a Non-Executive Director on ISHA's Board.

Justin Fisher

Job Titles:
  • Member of the Board
  • Chairman of Remuneration Committee )
Justin has worked in the social housing sector for 27 years, specialising in IT and asset management within the housing sector, but also in other areas such as highways, infrastructure and environmental services. He has consulted and worked with over 100 housing providers in the last 15 years, including a diverse group of social landlords. He was previously a Board Member for seven years for an award-winning rural specialist provider in Lincolnshire. He is currently the Product Owner for a software system that manages over 1m social homes for around 200 housing providers. Prior to that he worked as a housing, assets and IT consultant, and in 2018 spent eight months working with The London Borough of Barking and Dagenham on their new IT implementation and their asset management strategy.

Mervyn Jones

Job Titles:
  • Member of the Board
  • Chairman of Association )
Mervyn has over 45 years' experience of regulating and managing affordable housing to CEO level. From 2006 to 2020 he was a Director of Savills Housing Division delivering consultancy services to providers of affordable housing; he continues to act as an independent consultant. He provided advice on housing policy and routes for new entrants to the sector, wrote the Regulator's first guidance on diversification and is the editor of the National Housing Federation's (NHF) Guides to Repairs and Maintenance and Asset Management, the Chartered Institute of Housing's (CIH) policy work on flexibility in asset management "Appreciating Assets" and the report "Viability and Vitality" for the Tenant Services Authority (TSA). He was formerly a Board Member of Heylo RP and Hackney Homes. Mervyn lived and worked in inner North London for 20 years before moving to Barnet. His children currently live in Islington.

Mohammed Baporia

Job Titles:
  • Accountant
  • Member of the Board
  • Tax Manager
  • Shared Owner
Mohammed is an ISHA shared owner. Like Daven, his personal experience inspired him to apply for a board member role. Mohammed is keen to give back to the community and help ISHA to deliver quality and truly affordable housing to those that need it most. As a resident, he aims to ensure the high standards set by ISHA's Board are being met. Mohammed is a qualified accountant and tax manager on the real estate and construction team at a global accountancy and business advisory firm.

Ruth Davison - CEO

Job Titles:
  • Chief Executive
  • Member of the Board
A passionate believer that mixed communities work best for everyone and help make great places, Ruth is proud to lead ISHA as CEO. Building genuinely affordable rented and shared ownership homes and being a fantastic landlord - helping both communities and individuals flourish - is what motivates her. Ruth joined the organisation at the beginning of 2019, having previously worked as Director of Policy and External Affairs at the National Housing Federation (NHF) for more than a decade and before that in strategic roles in the NHS and local government. She also worked at the Audit Commission and in higher education. Despite ISHA's good reputation, Ruth is keen to drive ever-higher standards of service delivery and accountability, especially to residents. Ruth was appointed to the Board in March 2021.

Thea McNaught-Reynolds

Job Titles:
  • Director of Culture, Communications and Involvement
Thea joined ISHA at the end of 2021 as the Head of Communications and Involvement and was delighted to become Director in 2023. She brings over 20 years of strategic communications experience, influencing audiences and delivering behaviour change outcomes in the public and private sectors, including leading high-profile marketing campaigns for PwC. With her strong interest in diversity and inclusion, she incorporates her values into everything she does and is passionate about creating spaces where people can thrive.

Yasmin Khan

Job Titles:
  • Member of the Board
  • Solicitor
  • Member of ISHA 's Development Committee
Yasmin has been a member of ISHA's Development Committee since 2017, joined ISHA's Board in 2018 and was Chair of the Committee from December 2020 to September 2021. Yasmin is a solicitor specialising in property law and has considerable experience in property law both in the public and private sectors. Yasmin has strong customer facing skills and experience in both property and employment law, and aims to bring these skills to benefit ISHA in helping to improve its customer service, as well as her genuine interest in helping to deliver safe and affordable housing for those in need.