Paulien Adriaanse is a Senior Scientist at Wageningen University & Research. She works on environmental fate and exposure modelling of pesticides mainly in the area of surface waters. She has been a member of the EFSA Panel on Plant Protection Products and their Residues since 2015. Since September 2019 she has been a member of the EFSA WG on the Revision of the EFSA Guidance on the risk assessment for bees.

Colin Brown is a Professor in Environmental Science at the University of York/UK. He has more than 20 years experience of research into the fate and effects of organic contaminants in the environment.

Andrew Chapple is a Bayer Senior Research Fellow, working in the Crop Science Division of Bayer in Monheim, Germany, in the area of environmental exposure modelling with especial reference to spray and dust drift.

Joachim Dayteg joined the Institute for Plant Protection Products of AGES Vienna in 2008 as an Environmental Fate and Behaviour Risk Assessor. He is the initiator of the harmonisation efforts in fate and behaviour in the Central zone.

Mark Egsmose is a Senior Scientific Officer in EFSA's Pesticides Peer Review Unit. He is actively involved in the revision of existing and development of new EU Guidance for Plant Protection Products in the environmental area.

Emilie Farama has been the Deputy Head of the Ecotoxicology and E-Fate Risk Assessment Unit for Pesticides and Fertilisers at ANSES since 2018. She joined ANSES in 2006 as an Environmental Fate and Behaviour Risk Assessor for active substances and plant protection products.

Juhan Heinma is a Biologist and a Chief Specialist of the Plant Protection and Fertilizers Department at the Agriculture and Food Board in Estonia.

James Hingston leads a team of 20 regulatory environmental fate specialists at the Chemicals Regulation Division, part of the UK Health and Safety Executive. CRD is the national regulator for the whole of the UK, on behalf of the UK government and the devolved administrations, with responsibility for pesticides, biocides, detergents and general chemicals under REACH.

Kristina Hitzfeld is a Chemist with interest in environmental monitoring and analytical methods. She works in the Unit of Plant Protection Products at the German Environment Agency (UBA).

John Hollis is a soil scientist with over 50 years' experience of soil survey, research and consultancy relating to soil & water resources and the environmental fate of agrochemicals. After leaving the Soil Systems Group of the NSRI at Cranfield University in 2006, he worked as an independent consultant but is now fully retired. He was secretary of the original FOCUS Surface Water Scenarios working group.

Roy Kasteel worked for 11 years for the Agrosphere Institute at the Forschungszentrum Jülich in the area of characterisation of soil heterogeneity and modelling the E-fate of antibiotics and plant protection products. Since 2012 he has been working as a Scientific Assistant in plant protection chemistry at Agroscope in Switzerland, where he is involved in the environmental risk assessment of plant protection products for the Swiss national authority.

Michael Klein joined the Fraunhofer Institute for Molecular Biology and Applied Ecology (IME) in 1987 after finishing his degree in Chemistry. As a member of various EU-FOCUS working groups he was involved in developing fate guidelines related to pesticides. He is currently member of the EFSA PPR Panel.

Christopher Leake is an Environmental Safety Manager at Bayer Crop Science Division responsible for the areas of environmental fate, ecotoxicology and risk assessment. He has over 30 years of experience in this area.

Rafael Muñoz-Carpena is a Full Professor in Hydrology and Water Quality at the Department of Agricultural and Biological Engineering at the University of Florida. He focuses on integrated environmental modelling and pesticide risk mitigation with vegetative filter strips with his model VFSMOD.

Anna Peters is a Chemist and has been working as a Scientist in the Department of Plant Protection Products (PPP) at the German BVL since 2019.

Anton Poot is a Geochemist and Environmental Scientist and has been working in the field of modelling and monitoring groundwater at both governmental and contract research organisations. He has been employed as Environmental Risk Assesssor at Ctgb for the past 9 years.

Carmel Ramwell specialises in environmental and human exposure to chemicals in the wider environment at Fera Science in York. She has 20 years of experience including urban and residential areas and leads Fera's activities relating to the fate and behaviour of plant toxins in the environment.

Stefan Trapp is a Professor for Environmental Chemistry and is working in the Department of Environmental Engineering at the Technical University of Denmark (DTU) in Lyngby. His research interests are chemical risk assessment (REACH), environmental biotechnology (phytoremediation), impact assessment (contaminated sites) and water pollution.

John N. Westgate is an Environmental Chemist who joined the Environmental Assessment Directorate of Health Canada’s Pest Management Regulatory Agency in 2017. As a member of the Environmental Exposure Modelling section, he employs numerical models to estimate pesticide concentrations in environmental media and potential sources of drinking water. He is currently exploring the integration of a model for Vegetative Filter Strips into the existing Canadian framework.

Mark Williams has a background in biochemistry and biomedicine and is a Policy Officer in the Pesticides and Biocides Unit at DG SANTE. Mark is working primarily on the implementation of Regulation (EC) No 1107/2009, focussed on topics related to the approval of active substances and the decision making process for new substances, renewal of approval and confirmatory information. In addition, Mark works on the development of new legislation and guidance, including most recently the new implementing rules for renewal of approval and the guidance on emergency authorisations. He is also involved in various activities related to groundwater and drinking water, and is responsible for the implementation of the Plant Protection Products Application Management System (PPPAMS). Before joining the Commission in 2015 he worked at the Health and Safety Executive in the UK.

Louise Wipfler is a Researcher Environmental Fate at Wageningen Environmental Research. She is project leader of research projects on environmental risk assessment with a focus on exposure assessment and program manager for the policy supporting research on PPP environmental risk assessment. She is also part of the management team of the collaborative project on landscape scale risk assessment which is conducted together with Bayer.