John Berridge, PhD, retired from Pfizer Global Research and Development at Sandwich at the end of January 2006 as vice president of pharmaceutical sciences. He spent more than 31 years at Pfizer, starting as an analytical chemist, and more recently responsible for all aspects of chemistry, pharmacy, analytical, and regulatory CMC in Europe. His research interests have been directed toward high-performance liquid chromatography, with special emphasis on the use of chemometrics to aid method development. More than 40 papers and a book have been published and this research has been recognized by the award of the Chromatographic Society’s Jubilee medal in 1989. Berridge has been involved in the ICH processes from their inception, representing EFPIA in the quality topics discussions. He has contributed to guidelines on impurities in drug substances and their dosage forms, specifications, was the industry rapporteur for the Common Technical Document (Quality) and is currently the industry rapporteur for the pharmaceutical development guideline (Q8). At FIP’s 55th World Congress in Stockholm in 1995 he was presented with an IPS award for his outstanding contribution to industrial pharmacy, and in September 1997 he was awarded the Royal Pharmaceutical Society Chiroscience award for his services to the pharmaceutical industry and for his work within ICH. John now work as an independent consultant supporting all aspects of pharmaceutical development, and CMC strategy. He also acts as an advisor to ISPE.