Party affiliation: Republican
- Associate White & Case, New York City, 1973—1981, partner, 1981—1995, Dewey Ballantine LLP, New York City, 1995—2007, co-chairman litigation department, 2002—2003, Dewey & LeBoeuf LLP, New York City, since 2007. Member advisory group United States District Court (eastern district) New York, 1992-2004, chairperson subgroup on ethics, 1993-2000. Served to 1st lieutenant United States Army, 1974.
- Bar: New York 1974, United States District Court (southern and eastern districts) New York 1974, United States Court 2nd District Court of Appea circuit) 1974, United States Court Appeals (9th circuit) 1976, Supreme Court of the United States Court, 1977, United States Court Appeals (5th circuit) 1978, United States Court Appeals (11th circuit) 1981, United States Court Appeals (1st circuit) 2004, United States Court Appeals (3d circuit) 2005.
Denomination: Roman Catholic
Fellow American Bar Foundation. Member American Bar Association (2d circuit chairman discovery committee 1982-1987, program coordinator 1986, annual meeting litigation section, vice chairman committee on federal procedure 1988-1989, co-chairman committee on professional responsibility 1989-1992, vice chairman securities litigation committee 1993-1994, vice chair Hong Kong meeting 1995, co-chair energy litigation committee 1996-1997, co-chair antitrust litigation committee 1997-2000, member Ethics 2000 task force 1999-2000), New York State Bar Association, Association of Bar of City of New York (member committee to enhance diversity in the profession 1990-1995, member Orison S. Marden Memorial Lecturers committee 1994-2000, chair 1997-2000, special committee on mergers, acquisitions and corporation control contests 1995-2002), Scarsdale Golf Club (Hartsdale, New York, board governors 1994—2003, president 2002-2003), Capital Hill Club (Washington).