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

Houston Bar Association State Bar of Texas Houston Young Lawyers Association Texas Young Lawyers Association.

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

Houston Bar Association State Bar of Texas Texas Association Defense Council Defense Research Institute Fellow, Texas Bar Foundation..

Cameron County, Hidalgo County and Harris County Bar Associations Texas Association of Railroad Trial Counsel.

Houston and American Bar Associations State Bar of Texas Texas Association of Defense Counsel, American Board of Trial Advocates.

Houston Vice-Chairman, Administration of Justice, 1989-1990 and American Bar Associations State Bar of Texas Chairman, District 4 Grievance Committee, 1988-1989 The Association of Trial Lawyers of America Texas Trial Lawyers Association Civil Just

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

State Bar of Texas American Bar Association Member, Forum on Franchising.

Houston and American Bar Associations State Bar of Texas.