HYDROBIOLOGY - Key Persons


Amanda Sillman

Job Titles:
  • QLD Lead - Business Promotions & Culture / Queensland

Astri Noorbaini

Job Titles:
  • Environmental Consultant
  • Environmental Consultant / Singapore
Astri is an environmental consultant with a background in marine ecology and environmental management. She has a bachelor's degree in environmental studies with a minor in Aquatic Ecology and a master's degree in marine conservation. She also has experience carrying out urban ecology research. Her passion and strengths lie within conducting field research surrounding tropical marine ecosystems, and marine conservation planning, management, and monitoring. Patricia is an Oceanographer with a MSc degree in Animal Biology. While in University, she actively participated in the activities of the Benthic Ecology Laboratory, focusing on the conservation, diversity, and dynamics of coastal benthic ecology. She works on multiple survey investigations of marine environments, particularly regarding water and sediment quality impacts and provides logistics and technical support to Hydrobiology programs as required.

Brad Hiles

Job Titles:
  • Scientist - Aquatic Ecologist / Queensland

Dr Andy Markham

Job Titles:
  • Director / Queensland
Dr Andy Markham is a Fluvial Geomorphologist, Surface Water Hydrologist and Chartered Environmental Scientist. He has a PhD in fluvial geomorphology from London University, over 30 years of experience and has worked on consulting assignments worldwide. Dr Ross Smith has over 30 years' experience as an aquatic ecologist/ecotoxicologist. He has specialist experience in responses of populations and communities of aquatic biota to environmental changes in a wide variety of freshwater and estuarine habitats, and possesses significant skills in univariate and multivariate statistical analysis techniques.

Dr Ben Pearson

Job Titles:
  • Technical Lead / Queensland
Dr Ben Pearson is an experienced geomorphologist, environmental consultant and advisor, with 15 years of industry experience. In his current role, Ben manages the Land and Water Management group at Hydrobiology, focusing on fluvial and coastal geomorphology, water quality, sediment transport processes and impact assessments. Dustin Hobbs is an environmental professional with 12 years' consulting experience. In his current role, Dustin manages the Environmental Risk Assessment group at Hydrobiology, is a project manager for Australian and overseas clients and assists clients to understand their environmental obligations and develop and implement plans to achieve those goals in an environmentally and financially sustainable fashion.

Dr Frances Alexander

Job Titles:
  • Senior Scientist / Queensland
Nadeeka is an Environmental Chemistry Scientist with 10+ years' experience in research in the fields of Environmental Chemistry and Geochemistry. She has a PhD in Environmental Analytical Chemistry, a Master of Science majoring in Environmental Science Specialisation in Water Quality Management and a Bachelor of Science Honours degree in Chemistry. She has worked across Australia and internationally in the wide range of research projects in Environmental and Geochemical Investigations. Nadeeka is highly experienced in designing and implementing research projects to investigate the dynamic of trace metals, nutrients and other inorganic pollutants in water and sediment of coastal, marine, and freshwater ecosystems.

Dr James Keating

Job Titles:
  • Principal Consultant With
  • Team Lead - Marine
James Keating is a Principal Consultant with Hydrobiology with 15 years' postgraduate experience including offshore renewable energy, ports, fisheries, mining, construction and oil & gas. James is responsible for environmental scoping, EIA and designing and implementing marine monitoring programs, ensuring the outputs meet the highest standard required for state and federal approvals.

Dr Nadeeka Rathnayake

Job Titles:
  • Environmental Chemistry Scientist
  • Scientist / Queensland
James Keating is a Principal Consultant with Hydrobiology with 15 years' postgraduate experience including offshore renewable energy, ports, fisheries, mining, construction and oil & gas. James is responsible for environmental scoping, EIA and designing and implementing marine monitoring programs, ensuring the outputs meet the highest standard required for state and federal approvals.

Dr Newton Barbosa

Job Titles:
  • LATAM Lead / Brazil

Dr Ross Smith

Job Titles:
  • Director / Queensland
Dr Ross Smith has over 30 years' experience as an aquatic ecologist/ecotoxicologist. He has specialist experience in responses of populations and communities of aquatic biota to environmental changes in a wide variety of freshwater and estuarine habitats, and possesses significant skills in univariate and multivariate statistical analysis techniques. Phil has over 20 years of experience in the field of environmental impact assessment, study design and project management. He is a Chartered Chemist with the Royal Australian Chemical Institute (MRACI CChem #32216) who specialises in environmental chemistry in both marine and freshwater environments. Phil has worked across Australia and internationally in the field including at some of the world's major contaminated sites.

Dr Sander Scheffers

Job Titles:
  • Senior Technical Consultant / Western Australia
Dr Sander Scheffers has over 25 years' experience in marine and aquatic ecology, coastal geomorphology, physical/chemical oceanography, and coral reef biology. Sander has worked on most continents researching natural and human impacts on various marine/estuarine and freshwater habitats and organisms. Sander has extensive experience in monitoring and mapping (sub-)tropical benthic environments and water quality parameters. Sander has a portfolio of over 70 peer-reviewed papers and books. Nicole is a highly qualified geomorphologist who has been working in the environmental industry for the past 2 years. Nicole has a Masters in Geography specialising in fluvial geomorphology and has extensive experience in geomorphic assessments, River StylesTM catchment assessments, environmental monitoring programmes, UAV surveying, applied GIS spatial analysis and Structure-from-Motion photogrammetry. She has worked on projects in Australia, New Zealand, China and Brazil.

Dr Trang Huynh

Job Titles:
  • Environmental Chemistry Scientist
  • Technical Lead / Queensland
Justin is an environmental management and assessment professional with over 13 years of experience consulting to a wide range of industries. He has a proven track record delivering water resource projects for infrastructure, energy and mining industries in Queensland, the wider Australia-Pacific, South-east Asia and South America. His vast experience has allowed him to develop a sound understanding of legislative requirements relevant to environmental management and systems, environmental monitoring, and impact assessment. Justin also leads the Ecology and Biodiversity Management group.

Dr Wayne Bannister

Job Titles:
  • Senior Environmental Consultant / South East Asia
Amanda has over 19 years of Office Administration and Executive Assistance experience, providing high-level, overall office administration and business services support. Amanda's areas of expertise include; Executive Administrative Assistance, Business Process and Improvement Development, Document Management, Formatting & Quality Assurance, Stakeholder Engagement, Schedule Management, Human Resources, Events Coordination, Front Office Management and Reception.

Dustin Hobbs

Job Titles:
  • Technical Lead / Queensland
Dustin Hobbs is an environmental professional with 12 years' consulting experience. In his current role, Dustin manages the Environmental Risk Assessment group at Hydrobiology, is a project manager for Australian and overseas clients and assists clients to understand their environmental obligations and develop and implement plans to achieve those goals in an environmentally and financially sustainable fashion. Shirley is a Principal Marine Scientist with over 18 years post-graduate experience in environmental consulting. Her field of expertise includes marine and aquatic Ecology and Oceanography. Shirley is experienced in leading key technical studies required for environmental impact assessment and ongoing management of these projects to international standards.

Elisa Fuentes

Job Titles:
  • Health and Safety Lead WA / Office Systems Coordinator / Western Australia

Jack Clothier

Job Titles:
  • Scientist - Fluvial Geomorphologist / Queensland
Jack Clothier is an experienced geomorphologist and geospatial scientist. He has a Bachelor of Science (Hons), specialising in fluvial geomorphology and geospatial sciences with >3 years of industry experience across Australia & New Zealand. Jack has extensive experience in applied fluvial geomorphology, drawing on techniques such as remote sensing, hydrological model interpretation, and in-situ field interpretation of landforms.

Jorja Claybrook

Job Titles:
  • Marine Scientist
  • Scientist / Western Australia
Wayne is a freshwater ecologist, with more than eight years of experience in lake research. He completed his PhD in Geography at the National University of Singapore. His thesis assessed the impacts of natural (climate) and human pressures (industry, land cover change, aquaculture) on water quality and freshwater ecology in Philippine lakes.

Josh Hatton

Job Titles:
  • Senior Scientist / Queensland
Josh is part of the ecology and biodiversity management team and has over 10 years of professional experience in the ecological consulting industry after completing his BSc in Marine Biology from Swansea University. Josh has extensive experience in conducting ecological surveys, having collected samples from a range of different freshwater, estuarine, coastal and offshore environments. He has worked internationally on projects involving mines, ports and harbours, renewables, oil and gas, marine aggregates, fisheries, research and governmental work. Dr Sander Scheffers has over 25 years' experience in marine and aquatic ecology, coastal geomorphology, physical/chemical oceanography, and coral reef biology. Sander has worked on most continents researching natural and human impacts on various marine/estuarine and freshwater habitats and organisms. Sander has extensive experience in monitoring and mapping (sub-)tropical benthic environments and water quality parameters. Sander has a portfolio of over 70 peer-reviewed papers and books.

Justin Cutajar

Job Titles:
  • Principal Scientist & Team Lead / Queensland

Kesia Savill

Job Titles:
  • Environmental Scientist / Western Australia
Kesia is a Marine Biologist with a Master of Research in Environmental Science, where she investigated best practices for use of photogrammetry in turbid water environments. Kesia has experience in marine environmental monitoring, marine ecology and structure-from-motion photogrammetry in marine environments. Pusparani is currently pursuing her Diploma in Human Resources and Psychology and her academic background lies in Business Administration. Pusparani has over 16 years Office Administration and Executive Assistance experience, providing high level, overall office administration management. Her experience also includes ISO & Risk Assessment Management representation, Business Process and Improvement Development, Human Resources, Event Coordination and accounts.

Maddison Stuart

Job Titles:
  • Scientist / Queensland
Yusof Arshad is an environmental consultant with a background in marine ecology and ecosystems. He has worked on coral propagation and reef monitoring projects in the SEA region. Having completed his degree in Business and Environmental Science at James Cook University, one of his research projects was studying the role seagrass had on fish communities in Singapore.

Matt Germs

Job Titles:
  • Marine Scientist / Western Australia
Ophelia is an Assistant Scientist pursuing her undergraduate Bachelor of Environmental Studies in National University of Singapore. She has a strong academic background in environmental geography, covering aspects like environmental science, geomorphology, applied biogeography and GIS. She had her research project carried out in Chek Jawa, Pulau Ubin, on mangrove ecological engineering.

Matt McVay

Job Titles:
  • Aquatic Scientist / Queensland

Melisa Iglic

Job Titles:
  • Aquatic Scientist
  • Aquatic Scientist / Queensland
Melisa is an Aquatic scientist in the Ecology and Biodiversity Management team and holds a Bachelor of Science with majors in wildlife and marine biology. Melisa also holds a certification in veterinary nursing and previously worked as a junior ecologist and fauna spotter across multiple projects including large mining projects, waterway restoration and endangered species monitoring.

Nicole Wheeler

Job Titles:
  • Scientist

Ophelia Ong

Job Titles:
  • Assistant
  • Assistant Scientist / Singapore
Newton Barbosa, a PhD in Ecology with a Bachelor's in Veterinary, is an experienced environmental and sustainability expert. He boasts a diverse portfolio of biotic surveys, monitoring, and risk analysis projects. Skilled in data analysis and ecological modeling, he's renowned for innovative contributions. His proficiency in ESG enhances his ability to provide holistic solutions, supported by substantial teaching experience.

Patricia Stelzar

Job Titles:
  • Project Coordinator Scientist / Brazil

Phil Whittle

Job Titles:
  • Director of Technical Services / Western Australia
Simon is a consulting ecologist with extensive experience in research and environmental consulting. His field of expertise includes aquatic, marine and terrestrial ecology with an emphasis on rigorous statistical designs. Simon also has experience in broader aspects of environmental management and approvals processes, and a healthy exposure to contaminated land management - both above and below the water.

Pusparani Anbanathan

Job Titles:
  • Administrative Officer / Singapore
Chamantha is an Environment Scientist specialising in catchment science. Chamantha has strong technical skills in GIS and remote sensing in the field of environment and catchment management. Chamantha is a part of Land and Water Management Team and is involved with projects related to waterway processes and management, locally and internationally.

Sam Robinson

Job Titles:
  • Scientist
  • Aquatic Scientist / Western Australia
Sam is an aquatic scientist with a background in aquaculture, aquatic faunal surveys, and water quality monitoring. He has worked on numerous wetland and catchment water quality projects. His current PhD thesis at Murdoch University and the University of Western Australia focuses on investigating the change in the benthic macroinvertebrate assemblage in the Swan Canning Estuary in relation to changing hydrological and biogeochemical conditions.

Shirley Dawe

Job Titles:
  • Principal
  • Regional Manager / Western Australia
Trang is an Environmental Chemistry Scientist with 10+ years' experience in research and implementation research outcomes for resource industries. Her field of expertise includes analytical chemistry, geochemistry, bioavailability and metal/loid speciation studies. She has gained significant experience and knowledge on a number of projects focusing on the chemistry process of inorganic pollutants in water, sediment, tailings, soil and air. Trang's works has focussed on understanding the impacts of pollutants associated with mining activities to aquatic ecosystem and human health.

Simon Drummond

Job Titles:
  • Regional Manager
Dr Ben Pearson is an experienced geomorphologist, environmental consultant and advisor, with 15 years of industry experience. In his current role, Ben manages the Land and Water Management group at Hydrobiology, focusing on fluvial and coastal geomorphology, water quality, sediment transport processes and impact assessments.

Vee Chak

Job Titles:
  • Environmental Consultant / Singapore
  • Environmental Scientist
Vee is an environmental scientist with a background in environmental monitoring and management planning and hydrographic surveying. His professional experiences include environmental impact research and working on dredging/reclamation projects. His academic background is in the earth sciences and he holds a master's degree in hydrogeology. Maddison is an early career Ecologist with a terrestrial background within the EBM Team. She has completed a Bachelor of Advanced Science with Honours and for the last two years, Maddison has been working in the environmental industry. She has been involved in threatened species and ecological monitoring projects, aquatic and terrestrial baseline assessments and environmental impact assessments.

Woan Feei Liew

Job Titles:
  • Environmental Consultant / Singapore
Woan Feei is currently pursuing her BSc (Hons) degree in Biological Sciences in Nanyang Technological University. Her academic background lies in environmental microbiology, microbes in natural ecosystems and environmental sustainability whilst majoring in tropical, marine and aquatic ecology. She is currently an Assistant Scientist with Hydrobiology and will be supporting the local office with ongoing aquatic ecology work. Her interest in nature spurs her into developing a career in this industry. Jorja is a marine scientist with a background in marine ecology and fisheries science. She holds a BSc. (Honours) in marine science and applied statistics. Jorja has worked on a range of projects including marine environmental monitoring, impact assessments and renewable energy development.

Yannis Tse

Job Titles:
  • Administration Assistant / Queensland
Matt is an Aquatic Scientist in the Ecology and Biodiversity Management team and holds an Honour's degree in Environmental Science from UQ. Matt comes from a research background, where he focussed on evaluating herbicide tolerance of native and invasive macrophytes. He has also previously worked as an environmental consultant, dealing with environmental approvals and compliance for many large mining and renewable projects.

Yusof Arshad

Job Titles:
  • Environmental Consultant
  • Environmental Consultant / Singapore
Yusof Arshad is an environmental consultant with a background in marine ecology and ecosystems. He has worked on coral propagation and reef monitoring projects in the SEA region. Having completed his degree in Business and Environmental Science at James Cook University, one of his research projects was studying the role seagrass had on fish communities in Singapore. Yannis has over 4 years of Office Administration experience and has mainly worked within non-government funded organizations in Hong Kong. She has previously worked within financial based companies and has provided assistance with business communication services, through the implementation of online marketing channels. Yannis obtained her Bachelor of Arts Major in Communication Studies from UWA. She also has expertise in liaising with stakeholders and providing overall administration support.