The Executive Committee currently comprises:

Hannah White – Chair

Hannah White - SoBRA

Hannah is a Principal Environmental Geoscientist at Atkins Ltd. and works in the field of contaminated land assessment, progressing sites from desk study, to site investigation, through risk assessment, to remediation. She specialises in human health risk assessment and has worked on a number of challenging and complex sites from the very small to very large, covering a variety of contaminants and land uses under both the planning and Part 2A regime. Hannah was involved in the development of the 2008/2009 Environment Agency CLEA software and was a contributing author to a number of the SGV reports and supplementary SGV reports. She is involved in the development of the Atkins ATRISK Soil Screening Values and leads on human health training courses. Hannah has a key interest in promoting technical excellence and good practice and is a member of the better regulation sub-group.

Alex Lee – Outgoing Chair

Alex Lee - SoBRA

Alex is a Technical Director at WSP with circa 18 years’ experience. He has a regional accountability for Scotland and technical responsibility for all WSP UK offices. Alexander has previously been employed by WSP Remediation Ltd, ERM, Geodelft and British Nuclear Fuels (BNFL). He has a focus upon environmental modelling and hydrogeological investigation together with risk assessment (chemical and radiological). He has a masters in Environmental Monitoring and PhD in Geology. He is a STEM Ambassador to schools and sits upon several university advisory groups. He is also a regular author and presenter at both domestic and international conference. Project works have included commissions within the UK, Europe, Switzerland and the US amongst others. Project delivery has included both public and private sector clients for the purpose of fulfilling problem holder legislative responsibilities, divestiture and audit together with strategy development and resource assessment. He acts regularly as an expert witness.

Rachel Dewhurst – Treasurer

Rachel Dewhurst - SoBRA

Rachel has 20 years of experience working on water resources projects in the UK, Europe and the Caribbean. She is an expert in groundwater, groundwater geochemistry and contaminated land, and has worked a wide range of projects that lie on the intersection between geography, geology, chemistry and biology.

Rachel strongly believes that by working effectively together across disciplines we can develop the best solutions for all stakeholders.  Key technical projects include new production boreholes in the Sherwood Sandstone, 20 years of working on an airforce site in the UK, numerous groundwater and human health risk assessments for sites in the UK and abroad and quantifying the feasibility of artificial recharge in terms of geochemistry and natural reactions during injection.  She manages the Stantec UK Water – Water Resources Team which challenges her to look at problems with WQ in receiving waters, abstraction impacts on wetlands, river restoration and fish passage projects, as well as her bread and butter catchment, contaminated land and borehole projects.  Never one to refuse a challenge, she also works part-time, has three daughters who all do sport, sits on the committee of the UK Society for Brownfield Risk assessment, examines for Chartered Geologist and runs a brownie pack.

Christopher Taylor – Accreditation Lead

Christopher Taylor - SoBRA

Chris is a Land Regeneration Manager for the National Grid. Prior to this Chris spent over a decade working in environmental regulation both at Local Authority and the Environment Agency. Chris is a member of the Institution of Environmental Science and is a Chartered Scientist with an academic background in Environmental Science, Chemistry and Ecotoxicology. He is a member of the Land Forum’s Professional Standards subgroup and Defra’s Expert Panel, and is an advocate of improving standards and disseminating knowledge in brownfield risk assessment in the sector.

David Jackson – Website Co-ordinator

David Jackson - SoBRA

Is currently the Land Quality Officer at Wakefield Council and has 11 years experience as a local authority regulator. He has identified and prioritised potentially contaminated sites at two local authorities and has undertaken numerous Part 2a detailed inspections of sites. David has determined two residential sites as ‘Contaminated Land’. The first site was in 2010 due to its former use as a chemical works and with the assistance of consultants and the local authority’s groundwork’s team completed remediation works at the properties in April 2011. David was the project manager for the remediation of another high risk residential site that was determined as Contaminated Land under the new statutory guidance in 2013. He graduated from Leeds University in 1999 with a degree in Mineral Industry and Environmental Engineering.

Theresa Cory – Secretary

Theresa Cory - SoBRA

Theresa Cory is an Environment Agency Groundwater and Contaminated Land Technical Specialist in Herts and North London Area. Her role includes advising sites undergoing site investigation and remediation by Part 2A, planning, voluntary consultations and sites regulated under COMAH and Environmental Permitting Regulations (landfills, process industries and waste management). Prior to joining the EA in 1999, Theresa worked on a hazardous waste landfill as site chemist and assistant manager for 4 years. She is Chartered Geologist and Chartered Scientist with an academic background in chemistry, environmental science and contaminant hydrogeology. She works with the local authorities in London, Bucks, Herts and Beds Contaminated Land Officers and also with other land quality professionals in the Contaminated Land Forum: North East Thames (CLF:NET).

Geraint Williams

Geraint Williams - SoBRA

Geraint Williams is a Senior Environmental Scientist with 16 years’ experience in the investigation and assessment of contaminated land. He has been involved in the assessment of a broad range of former industrial sites in the UK and is familiar with international approaches to risk assessment from work in the Middle East, Central Asia, Nigeria and South Africa. Geraint also serves on the AGS Executive Committee and Contaminated Land Working Group.

Jo Wilding

Joanna (Jo) is an Associate Technical Director at RSK. Jo has an academic background, with a Masters in Pollution and Environmental Control and a PhD in ecotoxicology. Following this she worked in the private sector, as a regulator in local government for six years and at Public Health England prior to moving to RSK in 2014. Jo is a Chartered Environmentalist, became a SiLC and SQP in 2017 and holds ASoBRA for human health. Currently she acts as a SoBRA scrutineer and is involved in the C4SL Phase II project as a Tier 2 toxicologist. Jo works with a range of clients and on a wide variety of projects, including local authorities and developers in relation to the investigation and assessment of brownfield land, and  industrial clients in relation to due diligence and environmental permitting.