Phi Alpha Delta. Member, Louisiana Law Review, 1975-1976. Author: "Identity: A Non-Statutory Exception to Other Crimes Evidence," 36 Louisiana Law Review 1101, 1976. Instructor: Oil and Gas Law, Texas Wesleyan University School of Law, 1996; Legal Environment of Business, University of Texas at Arlington, 1984; Oil and Gas Law and Real Estate Law, El Centro College, Dallas, Texas, 1982-1983; Oil, Gas and Mineral Law, Southern Methodist University, Cox School of Business, 1983. Prior Positions: Law Clerk to Judge W. A. Edwards, Louisiana 1st Circuit Court, 1977-1979; Associate, Muller & Jumonville, 1979-1980; Senior Counsel, Sun Oil Company, 1980-1985; Chief Counsel, Atlantic Richfield Company, 1985-2000; Of Counsel, Thompson & Knight LLP, 2000-2001. (Board Certified, Oil, Gas and Mineral Law, Texas Board of Legal Specialization)