1980-1981
Intern in General Surgery (Tirocinante). Division of Emergency Surgery,
Policlinico di Perugia, Perugia, Italy.

1984-1986
Assistant Biochemist, McLean Hospital, Belmont, MA.

1986-1988
Research Associate in Surgery, Beth Israel Hospital, Boston, MA.

1989-1992
Assistant Biochemist, McLean Hospital, Belmont, MA.

1992-1996
Assistant Psychiatrist. The New York Hospital-Cornell Medical Center,
Westchester Division, White Plains, NY.

1995-1996
Chief Resident. The New York Hospital-Cornell Medical Center,
Westchester Division, White Plains, NY.

1996
Clinical Associate in Psychiatry. New York Hospital-Cornell Medical Center,
Westchester Division, White Plains, NY.