Member of the Firm of Alter, Wolff & Foley LLP May 2016-Present; Member of the Firm of Kasowitz, Benson, Torres & Friedman LLP July 1997-May 2016; Member of the firm of Rosenman & Colin as of May 1, 1982 -June 30, 1997; Member of the firm of Marshall, Bratter, Greene, Allison & Tucker from April 1, 1974 - April 30, 1982; associate, Marshall, Bratter, Greene, Allison & Tucker 1968 - 1974; Associate, Miller and Carlson 1966-1968; Attorney, Office of General Counsel, New York State Insurance Department 1964-1966.Trustee, Lawyers' Fund for Client Protection of the State of New York, 1983 -2013;Chairman 1985 -2010.Adjunct Professor of Law, New York University Law School, 1983 -1987.Board of Visitors, University of Chicago Law School, 1983 -1987.Board of Editors, New York Law Journal, 1986 - 2013. Ulysses S. Schwartz Fellow, University of Chicago Law School, 1988. Visiting Professor, University of Chicago Law School, Spring Quarter 1990, 1991, 1993.