Tulsa County, Oklahoma and American Bar Associations State Bar of Texas American Board of Trial Advocates International Association of Defense Counsel Defense Research Institute Defense Counsel Trial Academy Oklahoma Association of Defense Counsel.

Tulsa County, Oklahoma County, Oklahoma, Federal and American Bar Associations.

Tulsa County, Oklahoma and American Bar Associations.

Tulsa County Member, Professional Responsibility and Court Operations Committees, Oklahoma and American Bar Associations Member, Litigation and Antitrust Sections.

Tulsa County, Oklahoma and American Bar Associations.

Tulsa County Bar Association Chairman, Corporate Counsel Section, 1994-1995.

Tulsa County, Oklahoma and American Bar Associations Oklahoma Society of Certified Public Accountants.

Oklahoma and American Bar Associations.