San Antonio American Bar Associations State Bar of Texas The University of Texas Law Alumni Association Texas Association of Defense Counsel Defense Research Institute San Antonio Young Lawyers Association.

San Antonio Bar Association State Bar of Texas College of the State Bar of Texas.

State Bar of Texas.

Guadalupe County Bar Association President, 1982-1983 State Bar of Texas

Mexican Bar Association International Association of Young Lawyers.

Dallas and American Bar Associations Dallas Association of Young Lawyers.

Dallas, Louisiana State, Texas and American Bar Associations.

Houston and American Bar Associations State Bar of Texas Houston Young Lawyers Association Association of Trial Lawyers of America Houston Trial Lawyers Association Texas Trial Lawyers Association.