David is a European Registered Toxicologist with over 30 years experience in the design, conduct, interpretation and reporting of complex toxicology studies and in preparation of high level summaries and submission documents.  He has led teams as an expert toxicologist for global companies across the agrochemical, industrial chemical and pharmaceutical industry sectors.

David started his career at the ICI/Zeneca/Syngenta Central Toxicology Laboratory (CTL) at Alderley Park and became a senior multidisciplinary Study Director/Study Monitor and Project Licence Holder with responsibility for toxicology studies ranging from acute to lifetime exposures in the full range of species and dose routes.  David joined AstraZeneca Pharmaceuticals in 2007 (Regulatory Safety Group) and has extensive experience in the safety assessment of pharmaceuticals.  More recently he has specialised in outsourcing and monitoring nonclinical toxicology studies.  He has designed and monitored drug development studies ranging from dose range finding (DRF) to pivotal toxicology studies for a wide range of therapy areas and for both small molecules and new drug modalities.