Richmond, Virginia and American Bar Associations Virginia State Bar Member, Sections Corporate, Tax, Labor Virginia Trial Lawyers Association Richmond Criminal Bar Association.

Roanoke, Virginia Chairman, Health Law Section, 1992-1994 and American Bar Associations Virginia State Bar Member, Board of Governors, Young Lawyers Conference, 1979-1982 Chairman, Board of Governors Health Law Section, 1988-1989 Antitrust Section,

Roanoke, Virginia and American Bar Associations.

Richmond, Roanoke, Virginia and American Bar Associations Virginia State Bar.

Roanoke, Virginia and American Bar Associations Member, Intellectual Property Section Virginia State Bar Intellectual Property Law Association American Intellectual Property Law Association.

Virginia State Bar.

The District of Columbia Bar Maryland State Bar Association Virginia State Bar.

Roanoke, Los Angeles County and American Bar Associations State Bar of California Virginia State Bar.