Stephen Walker serves as Principal Research Scientist II at AbbVie from August 2024, following a distinguished career at Bristol-Myers Squibb from October 2000 to May 2017, where responsibilities included development of HCS assays and cell culture models for various therapeutic areas, co-leading teams focused on neuroscience and obesity, and serving as a leader in RNAi and high-content user groups. Prior experience includes a role as Research Scientist at Wyeth Research and as a Laboratory Technician at the University of Pittsburgh. Stephen Walker earned a BS and MS in Biology, Biochemistry, and Microbiology from the University of Pittsburgh School of Medicine between 1989 and 1996.