Fellow American College Trial Lawyers. Member American Bar Association, Association Bar City New York (chairman anti-trust and trade regulation committee 1986-1989, Thurgood Marshall award for representation in death sentence cases 1998), New York State Bar Association, Legal Aid Society New York (board directors 2001-2006, board advisors since 2006).
Law clerk to the United States District Judge, New York, 1957-1958. Attorney United States Department Justice, Office Deputy Attorney General, Washington, 1958-1959. Assistant United States attorney criminal division Southern District New York, 1959-1961.
Chief appellate attorney United States Attorney Office, New York, 1961-1962. Associate Kaye Scholer LLP, New York City, 1962—1965, partner, 1966—2004, chairman executive committee, 1996—2004, special counsel, since 2005. Adjunct faculty Rutgers School Law, since 2005.