Bachelor in Engineering, City University of New York, 1968. Mechanical and Materials Engineering, University Dayton, 1970. Doctor of Medicine, Case Western Reserve University, 1977.
Doctor of Philosophy in Engineering, Case Western Reserve University, 1978.
Development engineer General Motors Corporation, Dayton, Ohio, 1968-1971. Senior scientist General Motors Technology Center, Detroit, 1977-1978. Medical resident University Michigan, Ann Arbor, 1978-1981, pulmonary fellow, 1981-1983.
Professor medicine Medical School University Texas, Houston, 1983—2001, professor health informatics, 1998—2001. President VistaLink Medical Communications, Inc., 1996—2001. Professor medicine George Washington University, Washington, since 2001.
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Fellow Royal Society Medicine. Member Argentinian Critical Care Society (honorary), Venezuelan Critical Care Society (honorary), Green College Society, Texas Thoracic Society (treasurer).
Married Ellin Lee Groh, December 21, 1968 (divorced October 1981). Married Marian Elizabeth Wulf, June 18, 1983. Children: James, LeAnna, Alexandra, Susan.