ORG National Library of Medicine Title BIO Michael J. Ackerman received his Ph.D. from the University of North Carolina, Chapel Hill, in Biomedical Engineering. After graduation he served as a research physiologist in the Hyperbaric Medicine and Physiology Department, Naval Medical Research Institute, where he studied the effects of the hyperbaric environment on neurophysiology and behavior. He later became head of the Institute''s Biomedical Engineering and Computing Branch responsible for the application of computers to the control and monitoring of hyperbaric chambers and life support systems and for the real time analysis of medical data. Dr. Ackerman came to the National Library of Medicine in 1987. He served as the Chief of the Educational Technology Branch of the Lister Hill National Center for Biomedical Communications, applying interactive technology to medical education, and as the Associate Director for Specialized Information Services responsible for the Library''s non-bibliographic data bases. He is currently NLM''s Assistant Director for High Performance Computing and Communications. He holds an academic appointment as an Associate Professor in the Department of Computer Medicine at George Washington University and has published over 100 papers and book chapters.