575 Oil Gas & Energy Lawyers

Oklahoma Member, Mineral and Energy Law Sections and American Bar Associations Member, Mineral and Energy Law Sections.

Oregon State Bar.

State Bar of Texas Member, 1979-1992 and Chairman, 1991-1993, Public Affairs Committee Member, Television in the Courtroom Committee, 1980-1983 American Bar Association

Tulsa County, Oklahoma and American Bar Associations.

Houston Bar Association State Bar of Texas The District of Columbia Bar Houston Trial Lawyers Association Texas Trial Lawyers Association The Association of Trial Lawyers of America Houston Bar Foundation College of the State Bar of Texas.

Houston and American Bar Associations State Bar of Texas Texas Young Lawyers Association