David Stokes is the Global Lead, Life Sciences with Percipient Consulting Ltd, a specialist information systems provider to the Life Sciences industry, where he provides strategic consultancy to a number of international clients. Starting his career as a process control engineer, he has almost 30 years’ experience in manufacturing, process control, regulatory compliance, information system and computer systems validation and is a long-time supporter of GAMP® and ISPE. David contributed to the development of a number of manufacturing data standards. He is a member of the Pharmaceutical Engineering Editorial Review Board and has written or contributed to a number of articles in Pharmaceutical Engineering in recent years and has spoken on various subjects at recent ISPE events in the UK, Belgium, China and India. David chaired the original GAMP® Testing SIG, which led to the first version of the “Testing of GxP Systems” Good Practice Guide. He was also heavily involved in the preparation of the 2nd Edition of the guide where amongst other topics is he specifically coordinating the output of the GAMP® Americas and GAMP® D-A-CH Test Automation Special Interest Groups.