Member, Leaking Underground Fuel Tank Task Force (established by the State Water Resources Control Board Resolution 2009-0042), 2009-2010.

Member, Executive Committee, Real Estate Section, Los Angeles County Bar Association, 2008 to present.

Chair, Land Use and Environmental Committee, Real Estate Section, Los Angeles County Bar Association, 2005 - 2008.

Member, Land Use and Environmental Committee, Real Estate Section, Los Angeles County Bar Association, 2002 to present.

Appointed to a National Research Council committee overseeing the disposal of chemical weapons, 1992 - 1997.

Member of the Steering Committee of the Environmental Auditing Forum, 1991 - 1994.

Adjunct Professor at Indiana University School of Law (Indianapolis), teaching Environmental Law, 1984.