Worker, Operator, Bystander and Resident Exposure and Risk Assessment

Agathi Charistou is a Regulatory Toxicologist in the Laboratory of Toxicological Control of Pesticides at the Benaki Phytopathological Institute in Greece with long experience in the evaluation of mammalian toxicology studies and non-dietary exposure assessment to both plant protection products and biocides.

Edward Chikwana has worked in human health risk assessment in various capacities over the past few years. In his current role at Corteva Agriscience, he works as a Global Human Health Risk Assessor within the Exposure, Risk & Epidemiology group, assisting with global registration of several plant protection products. He has experience with risk-based dietary and non-dietary human exposure assessments, including higher tier approaches, to support registration of plant protection products across various geographies. He serves on several multi-disciplinary industry-wide teams, such as CLI, CLE, and CARES NG , responsible for addressing techno-regulatory issues and developing technical positions in alignment with global regulatory requirements.

Fabiana Cremaschi Palma is a Pharmacist with a graduated in Biochemical Pharmacy and a degree in Biological Sciences. Since 2016, she has been the Technical and Administrative Director of the ProHuma Institute of Scientific Studies, working on the development of the institute and supporting the implementation of the assessment of non-dietary exposure to pesticides in Brazil and the development of a database to assess the risk of occupational exposure to pesticides.

Edgars Felkers is an occupational and residential safety expert at Bayer Crop Science Division in Germany. He is responsible for non-dietary human exposure and risk assessments of plant protection products. Currently, he is also chairing CropLife Europe (CLE) Occupational and Bystander Technical Subgroup (OBE TSG), European Precision Application Task Force (EUPAF) Task3&4 Non-dietary Exposure Subteam, and Unmanned Aerial Pesticide Application System Task Force (UAPASTF) Non-dietary Exposure Subteam.

Claudia Großkopf is a scientist at the German Federal Institute for Risk Assessment (BfR), where she works on the evaluation of plant protection products with a focus on human health risk assessment. She is actively involved in European regulatory science and contributes to EFSA’s work, supporting the development and harmonisation of pesticide risk assessment approaches across the EU.

Felix M. Kluxen is a pharmacist and certified toxicologist and has been working as a Regulatory Toxicologist since 2013. His main interests are statistics in toxicology and non-dietary exposure assessment approaches. He is a member of several CropLife Europe teams and international project groups.

Sebastian König is a biotechnologist and chemist by training and works at the Swiss Federal Food Safety and Veterinary Office. He is experienced in the assessment of non-dietary exposure to plant protection products. He is also involved in research on drones in agriculture.

Neil Morgan is a Principal Science Strategist at Syngenta, UK, which involves developing research and advocacy strategies to support plant protection products in Europe. His technical background is in non-dietary exposure and risk assessment, with experience gained since 2013 at Syngenta and prior to this, with the UK Health and Safety Executive (HSE). Neil has been an active member of the CropLife Europe non-dietary exposure experts team and also represents Syngenta on the EUPAF (precision application) and UAPASTF (drones) non-dietary exposure groups. Neil chairs the dermal absorption working group which was part of the ICPPE consortium developing a new operator exposure model for use in countries with developing regulatory systems and has published many papers on a wide range of non-dietary exposure related topics.

Alistair Morriss is a Global Human Health Risk Assessor at Corteva Agriscience in the UK. Prior to joining Corteva in 2023 he has been a Principal Consultant specialising in OPEX at Blue Frog Scientific based in the UK for 4 years and a Human Health Risk Assessor at Dow AgroSciences (now Corteva) for 8 years. Before joining Corteva and Blue Frog Scientific he worked in contract research organisations for 8 years. in December 2025, he was elected the Chair of the CropLife International operator exposure group and he is also a member of the CropLife Asia operator exposure group.

Olivier Sanvido is a Biologist and an European Registered Toxicologist (ERT). He is the Deputy Head of Section “Chemicals and Occupational Health” at the State Secretariat for Economic Affairs (SECO) in Switzerland and in charge of the regulatory approval of plant protection products, in particular the assessment of operator and worker safety. He was a Research Scientist at Agroscope in Switzerland where he was a specialist on environmental risk assessment and monitoring of genetically modified (GM) plants. He has over 25 years of professional experience including 4 years in regulatory affairs and quality assurance in the medical device and pharmaceutical industry.

Simon Schmid is a Regulatory Toxicologist (ERT) with a broad background in regulatory science. He is currently working at the State Secretariat for Economic Affairs (SECO) in Bern, Switzerland, where he contributes to regulatory toxicology and related policy work.

Anugrah Shaw is a Professor at the University of Maryland Eastern Shore and has conducted research on protective clothing for pesticide applicators for three decades. She also serves as Director, International Center for PPE for Pesticide Operators and Re-entry Workers. Anugrah has provided leadership for the development of international standards on protective clothing for pesticide operators and is currently coordinating international initiatives on operator safety.

Adriana Torres de Sousa is a Health Regulation Expert of the Brazilian Health Regulatory Agency (ANVISA) and, since 2017, she is manager of the Monitoring and Pesticide Risk Assessment Office, which is in charge of dietary and non-dietary health risk assessment of pesticide exposure, pesticide toxicological re-evaluation process and the Program on Pesticide Residue Analysis in Food (PARA). Adriana has been working for over 19 years on pesticide regulation. Adriana holds a Chemistry Degree, a Master’s degree in Inorganic Chemistry and a Postgraduate certificate in Toxicology Applied to Sanitary Surveillance.

Jens Karl Wegener has been Director and Professor of the Institute for Application Techniques in Plant Protection at Julius Kühn-Institute (JKI), since 2013. In 2017 he was appointed to be Honorary Professor at Technical University of Braunschweig, where he is supporting teachings of the Institute for Mobile Machinery and Commercial Vehicles (IMN). Furthermore he is conducting the interdisciplinary and university-covering block module \\"Innovative Plant Protection Technologies\\" together with students and instructors from five different Universities: His main focus is on optimization and risk assessment of processes and procedures in agriculture. In this context Prof. Wegener intensively studied the possibilities, limitations and benefits of new technologies for different agricultural purposes.

Ohri Yamada has been with France’s health and safety agencies since 2006, starting at AFSSET, which later became ANSES. They now lead the Phytopharmacovigilance Unit, overseeing research and monitoring of plant protection products and their impacts on health and the environment, informing regulatory decisions and advancing understanding of pesticide exposure and risk in France.