Denver, Colorado Member, Ethics Committee, 1996— and American Member, Litigation Section Bar Associations State Bar of California Colorado Trial Lawyers Association Member, Board of Directors, 2001—.

Denver and Colorado Bar Associations State Bar of Illinois.

Denver Vice President, 1990, Colorado Member, Board of Governors, 1990-1991 and American Chairman, Issues Affecting the Legal Profession, 1983-1984 Young Lawyers Section Liaison to Standing Committee on Professional Discipline, 1984-1986 Bar Associ

Denver, Colorado Member, Patent, Trademark and Copyright Section and American Member, Litigation Section Bar Associations International Trademark Association American Civil Liberties Union.

Denver, Colorado and American Bar Associations Colorado Defense Lawyers Association Colorado Womens Bar Association.