At Harvard, Prof. Walker supervises doctoral students and teaches pharmacoepidemiology.
Dr. Walker serves as a senior advisor to the Regan Udall Foundation for the FDA, where he
coordinated the development of the research agenda for the Innovation in Medical Evidence and
Surveillance program. His research encompasses the safety, efficacy and utilization of drugs,
devices, vaccines and medical procedures. Dr. Walker has AB (biochemistry), MD and DrPH (epidemiology) degrees from Harvard. He is on the Editorial board of Pharmacoepidemiology and Drug Safety and has served as President of International Society for Pharmacoepidemiology in 1995-1996. He was a statistical consultant for the New England Journal of Medicine from 1992 through 1996 and a Contributing Editor of The Lancet from 1999 through 2001. Dr. Walker has written or contributed to some 300 peer-reviewed articles in drug safety, epidemiology and occupational health.