Tulsa County Member, Grievance Committee, 1996— Member, Public Relations Committee, 1999-2000, Oklahoma and American Bar Associations American Inns of Court 7 Terms Oklahoma Trial Lawyers Association.

Tulsa County, Oklahoma and American Bar Associations.

Tulsa County Chairman, Corporate Counsel Section, 1992-1993, Oklahoma Chairman, Business Associations Section, 2000 and American Bar Associations.

Tulsa County President, 1999-2000 Member, Board of Directors, 1992-2003, Oklahoma Member, Board of Governors, 2003-2005 and American Bar Associations State Bar of Texas.

Tulsa County, Oklahoma Member, 1991—and Chairman, 2002, Environmental Law Section and American Bar Associations.

Oklahoma and American Bar Associations.