Dr. Hay joined Certara in 2022 with 25+ years of clinical pharmacology experience having started his career as Senior Clinical Scientist at the Centre for Human Drug Research (CHDR), Leiden. More recently he worked as Senior Pharmacokinetics Assessor and Deputy Unit Manager at the Medicine and Healthcare Products Regulatory Agency (MHRA), UK where he also had a leading role with the Access Consortium (Regulatory agencies of Australia, Canada, Singapore, Switzerland and UK).

Justin has also been a member of the EMA’s former Modelling and Simulation Working Party (MSWP). He has a special interest in biologics, CNS research, pain management and pediatric pharmacology. Justin has a PhD from the University of Adelaide, Australia.