Houston Bar Association Chair, Appellate Practice Section, 1999-2000 Member, Litigation Section State Bar of Texas Litigation and Appellate Sections.

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

Houston Bar Association State Bar of Texas American Institute of Certified Public Accountants.

Houston and American Bar Associations State Bar of Texas College of the State Bar of Texas National Association of Criminal Defense Attorneys Texas Criminal Defense Lawyers Association Harris County Criminal Lawyers Association.

Houston, Louisiana State, American Member, Section on Criminal Justice and Federal Bar Associations State Bar of Texas Harris County Criminal Lawyers Association National Association of Criminal Defense Lawyers.

Houston and American Bar Associations State Bar of Texas.

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

Houston Litigation and Appellate Sections and American Tort and Insurance Practice Section Bar Associations State Bar of Texas Litigation and Insurance Sections Defense Research Institute Insurance Law Committee The Pro Bono College of the Stat

Houston Bar Association State Bar of Texas.

Houston Bar Association Chair, Commercial and Consumer Law Section The Missouri Bar State Bar of Texas Member, Litigation and Consumer Law Sections Bar Association of the Fifth Federal Circuit Conference on Consumer Finance Law.