- Naturalist, director City of Rye (New York ), Rye Nature Center, 1977. Executive director Schuylkill Center Environmental Education, Philadelphia.
Board directors New York State Outdoor Education Association, Albany, 1980-1986, Greenwich Audubon Society, 1979-1981. Advisor Westchester, New York council Boy Scouts American, since 1978. Member National Institute Urban Wildlife (board directors since 1987), Association of Nature Center Administrators (president since 1989), American Nature Study Society (board directors 1987), Phi Beta Kappa, Beta Beta Beta.