- Graduate teaching and research assistant department chemistry University Maryland, College Park, 1973-1978, affiliate assistant professor department food and nutrition, institute administrator, since 1983. Research assistant professor department pediatrics University Maryland School Medicine, Baltimore, 1982-1993, research associate professor, 1993-1998, associate professor, since 1998.
Active Boy Scouts American. Member of Cousteau Society, International Society Neurochemistry/American Society for Neurochemistry (joint program committee 1996, 2000), Bradley Pediatric Society, American Forestry Association, New York Academy of Sciences, Society Neuroscience, American Chemical Society, American Society Neurochemistry (council 1995-1999, program committee 1999—2000, secretary 1999—2001, Marion Kies award committee 1991-1996), Federation of American Societies for Experimental Biology (theme Representatives Experimental Biology 1994-1995, nominating committee 1999), American Institute Nutrition (tellers committee 1986-1988, theme coordinator 1990, chairman 1991, nominate committee 1999), American Association of University Women, American Association for the Advancement of Science, Sierra Club, Sigma Xi.
1973 - 1978
1982 - 1993