Law clerk to the United States district judge Southern District New York, 1957-1959, assistant United States attorney, 1959-1961. Associate Community College Davis, New York City, 1961-1967. Member firm Davis & Cox, 1967-1971, Lea, Goldberg & Spellun PC, New York City, 1971—1977, Trubin, Sillcocks, Edelman & Knapp, New York City, 1977-1980.
Counsel Parker & Duryee, 1983-1986, member, 1987-1988. Special counsel to New York 1st department joint interprofessional committee Drs. and Lawyers, 1972-1978. Lecturer Practising Law Institute, New York City, 1969-1970, 74, 79.
Special mediator Medical Malpractice Mediation part Supreme Court New York, 1971-1980. Chairman New York State Commission Investigation, 1981-1983. Member parole board State of Maine, since 1999.
Fellow American Bar Foundation, New York Bar Foundation. Member New York Bar Association (delegate 1972-1977, 87-88, member executive committee 1976-1977), Association Bar City New York (chairman grievance committee 1978-1980, chairman medicine and law committee 1969-1971, chairman special committee on drug laws 1986-1988, member other committees), New York County Lawyers Association (director 1978-1981).