Bachelor cum laude, Lawrence University, 1969. Master of Science, University Wisconsin, 1971. Doctor of Philosophy, University Wisconsin, 1974.
Juris Doctor, Pace University, 1993.
Technical director Texas Instruments, Buchanan, New York, 1976-1979. Staff biologist Environmental Protection Agency, Washington, 1979-1983. Science director Hudson River Foundation, New York City, 1983-1987.
President International School Environmental Studies Foundation, New Haven, since 1986. Principal scientist Texas Assessment Management System, New York City, 1987-1990. Science policy director Louis Berger & Associates Inc., East Orange, New Jersey, 1990-1999.
Associate professor environmental science State University of New York, Purchase, 1990—1999, professor, 2000—2001. Vice president natural resources and environment Marasco Newton Group Ltd, Arlington, Virginia, 1999—2000. Affiliate professor department environmental science and policy George Mason University, since 2000.
Chief operating officer International Management Consultant Corporation, since 2004.
Member tree subcommittee Town of Greenwich (Connecticut), 1990-1993. Member American Chemical Society, New York Bar Association, American Society Limnology, Sigma Xi.
Married Nancy Louise Hoffman, July 17, 1986. 1 child, Emily Maxwell.