Houston Bar Association State Bar of Texas Defense Research Institute Texas Association of Defense Counsel.

United States Fifth Circuit, Louisiana State and American Bar Associations State Bar of Texas National and Louisiana Hispanic Lawyers Associations Former Director Defense Research Institute Member, Environmental and Toxic Tort Committee.

Louisiana State Member, Young Lawyers Section, 1986— and American Bar Associations State Bar of Texas.

Houston Bar Association Council Member, Section on Appellate State Bar of Texas.

Houston Bar Association State Bar of Texas.

State Bar of Texas Association of Defense Counsel.

Houston and American Bar Associations State Bar of Texas Texas Bar Foundation.

Houston and American Bar Associations State Bar of Texas Member, Sections on Litigation Antitrust Litigation Counsel Supreme Court Advisory Committee CLE Committee, College of the State Bar of Texas Texas Bar Foundation Houston Bar Foundation I

Houston Member, Governing Council, Construction Law Section, 1998-1999 and American Bar Associations State Bar of Texas

State Bar of Texas American Bar Association Association of Trial Lawyers of America Texas Trial Lawyers Association.