1980-1982
Perugia Order of Physicians, No. 3090, Perugia, Italy.

1982
Pesaro Order of Physicians, No. 1501, Pesaro, Italy.

1986
The New York Academy of Science.

1987
American Chemical Society. International Society for Neurochemistry.

1987
American Society for Neurochemistry.

1991
American Society for Biochemistry and Molecular Biology (FASEB member).

1992
American Medical Association.

1993
American Psychiatric Association. Gay and Lesbian Psychiatrists of New York.
American Gay and Lesbian Psychiatrists.

1995
Gay and Lesbian Analysts of New York.