Adam Cohen (1952) graduated in Pharmacy and Medicine from Leiden University. He subsequently joined the department of Clinical Pharmacology of the Wellcome Research Laboratories in Beckenham, UK where he obtained experience in early drug development. This work led to a PhD thesis about the development of an antihistamine (acrivastine) and an antiepileptic (lamotrigine). Further training in internal medicine was obtained at King’s College Hospital in London. Phase II-III drug development experience was obtained as European Clinical project leader for t-PA at Wellcome. Since 25 years, he is director of the Centre for Human Drug Research (CHDR). CHDR also play an increasingly prominent role providing consultancy to pharmaceutical industries, with special emphasis on early drug development. He is professor of Clinical Pharmacology at Leiden University and has a clinical attachment at the department of nephrology at Leiden University Medical Centre. He is author of more than two hundred publications about a wide range of clinical pharmacological subjects. He is executive editor of the British Journal of Clinical Pharmacology.