Jack E. Henningfield, Ph.D., one of the world's leading experts on addiction, joined Pinney Associates in September 1996 after 16 years of public service at the National Institutes of Health's National Institute on Drug Abuse (NIDA).

At NIDA, Jack served as Chief of the Clinical Pharmacology Research Branch from 1989, Chief of the Biology of Dependence and Abuse Potential Assessment Section from 1985, and Coordinator of the Addiction Research Center's Minority Recruitment & Training Program from 1990. From 1982 to 1996, he served as a pharmacologist at the Addiction Research Center, the intramural research program of NIDA, and acted as Chief of its Human Performance Laboratory from 1984-1985.

Jack has enjoyed a long career as an educator and researcher in the biological and health sciences. He has been a member of the Johns Hopkins University School of Medicine faculty since 1978 and is presently Professor of Behavioral Biology, at the Medical School's Department of Psychiatry and Behavioral Sciences. Jack is also a former faculty member with the Program of Toxicology at the University of Maryland at Baltimore.

Jack's research has resulted in the writing of numerous books and monographs; the design of educational videotapes; and an impressive body of over 300 published papers on myriad topics in public health, pharmacology, and addiction.

A summa cum laude graduate of the University of Minnesota in 1974 with a bachelor's in psychology, Jack received his doctorate in experimental psychology in 1977 from the University of Minnesota's Psychopharmacology Training Program. Jack's post-doctoral training came as a postdoctoral research fellow at the University of Minnesota, as a postdoctoral research associate at the Johns Hopkins University School of Medicine, and at the Behavioral Pharmacology Research Unit at Baltimore City Hospital. He was a staff fellow at the NIDA Addiction Research Center from 1980-1982.