Phillip Holmes is a Technical Director at RPA with over 30 years experience in toxicology and risk assessment, and has worked extensively on a wide range of chemical classes including pharmaceuticals, agrochemicals, food additives, and industrial and consumer chemicals. He is a Registered Toxicologist with the Institute of Biology/ British Toxicology Society/EUROTOX. Prior to joining RPA in early 2009, he was Deputy Director of Cranfield University's Institute of Environment and Health (IEH) where he provided secretariat services to Defra and the Environment Agency’s contributions to the OECD/IPCS HPV chemicals initiative through the UK Co-ordinated Chemicals (CCRMP) Steering Group. .

Since 1996 he has mainly focussed on the study of the relationship between environmental agents and human health, including undertaking detailed assessments of the risk to humans of exposure to environmental agents present in soil, water and air, as well as on occupational health issues. Phil has also advised government on policy in relation to the new European chemicals regulation REACH, on childhood health and on alternatives to animal testing.

At RPA, Phil has particular responsibility for projects relating to human and environmental risks associated with chemicals and related agents including work for the UK Government, the European Chemicals Agency and the European Commission. Currently he is working on developing 'logic frameworks' for assessing the health and environmental benefits associated with restrictions on the use of chemicals.