Associate Rudnick & Wolfe, Chicago, 1975-1977, Schwartz, Klink & Schreiber Professional Corporation, New York City, 1977-1981, partner, 1982-1987, Proskauer, Rose, Goetz & Mendelsohn, New York City, 1987-1993, Kaplan Fox & Kilsheimer LLP, New York City, since 1993. Mediator United States District Court (southern district) New York, since 1993. Member Massachusetts Institute of Technology Corporation, 1997—2002.
Member corporation development committee Massachusetts Institute of Technology, since 1994, member alumni/alumnae fund board, 1989—2006, chair, 1994—1996. Member advisory board Federal Discovery News, since 1999.
- Bar: Illinois 1975, United States District Court (northern district) Illinois 1975, New York 1978, United States District Court (southern and eastern districts) New York 1978, United States Supreme Court 1985, United States Court 2nd District Court of Appea circuit) 1987, United States District Court (central district) Illinois 1995, United States Court Appeals (7th circuit) 1997, United States Court Appeals (3rd circuit) 2007.
Member American Bar Association, New York State Bar Association (co-chair, task force on state of Courthouses, 2008-2010, commercial and federal litigation section, vice chair, since 2011, chair committee on discovery 1989-1997, chair committee federal procedure since 1997, special committee standards 2009-2010, special committee discovery case management, since 2010), New York Bar Foundation, Association Bar City New York.