Private practice in Boston, 1974-77; staff attorney, Legal Services Institute, 1979-81. Member of the Stanford faculty 1981-2003 (Montgomery Professor, 1995-99; William W. and Gertrude H. Saunders Professor of Law, 1999-2003). Visiting professor: Harvard, 1987-88 (Academic year), 1997-2001 & 2003 (January terms), 2006 (Fall term); and UC Berkeley, 1997-98. Visiting staff member, National Center for Economic Development and Law, 1990. Guggenheim fellow, 1994. Member, board of directors, East Palo Alto Community Law Project. Member, Massachusetts bar. Interests include professional responsibility, corporations and foundations of the regulatory state.