State Bar of Texas.

Houston Bar Association Alternative Dispute Resolution Committee Director, Dispute Resolution Center, 1990-1991 State Bar of Texas Securities Law Committee, 1985-1991 Bankruptcy Law Committee, 1991-1993 Financial Institutions Committee, 1991-1992,

Houston Bar Association State Bar of Texas Member, Appellate Section, 1996-1999.

Houston and American Bar Associations State Bar of Texas Texas Association of Civil Trial and Appellate Specialists Defense Research Institute Texas Association of Defense Counsel College of the State Bar of Texas.

Texas Association of Board Certified Trial and Appellate Specialists.

State Bar of Texas American Bar Association.

Houston Bar Association State Bar of Texas Houston building Owners and Manager Association Houston Office Leasing Brokers Association General Counsel, 1983— National Association of Industrial Office Property Member, Board of Directors, 1994—.

Houston Administration of Justice Committee, 1992-1996 Chair, Appellate Courts Subcommittee, 1996 Appellate Delay Reduction Committee, 2000— and American Tort Trial and Insurance Practice Section Vice Chair, Civil Procedure and Evidence Committee,

Houston Appellate Practice Section Section Council, 1995-1998 and American Litigation Section, Appellate Practice Committee Torts and Insurance Practice Section, Appellate Advocacy Committee Appellate Judges Conference Council of Appellate Lawyers