Dallas Bar Association.

Houston Bar Association State Bar of Texas Houston Young Lawyers Association Aggie Bar Association Defense Research Institute.

Houston and American Bar Associations State Bar of Texas Texas Association of Defense Counsel Defense Research Institute Professional Liability Underwriting Society Texas Committee Member, 1994-2000 Associate Legal Malpractice Data Center

Houston and American Bar Associations State Bar of Texas College of the State Bar of Texas Texas Trial Lawyers Association The Association of Trial Lawyers of America Texas Association of Accident Reconstruction Specialists.

Houston and American Bar Associations State Bar of Texas.

Houston and American Vice-Chairman, Admiralty and Maritime Law Committee, Tort and Insurance Practice Section, 1986-1987 Bar Associations State Bar of Texas Defense Research Institute Maritime Association of the United States.

Houston and American Bar Associations State Bar of Texas Maritime Law Association of the United States Houston Maritime Arbitrators Association Defense Research Institute Texas Association of Defense Counsel.

Houston, Fifth Circuit and American Bar Associations State Bar of Texas.