|  |
| Chair | UTIMCO Audit and Ethics Committee | |
| Member | UTIMCO Risk Committee | |
| Member and Past Chairman | Board of Regents, Texas A&M University System | |
| Member and Past Chairman | Texas A&M University College of Engineering External Advisory and Development Council | |
| Member | Texas A&M Development Foundation Advisory Committee | |
| Member | Chancellor's Century Council of Advisors, Texas A&M University | |
| Chairman Emeritus | TXU Corp. | |
| Member | Development Council, The University of Texas at Dallas | |
| Member | Cox School of Business and the School of Law Executive Board, Southern Methodist University | |
| Member and Past Chairman | Tate Lecture Series Board, Southern Methodist University | |
| Member | Executive Advisory Council, Maguire Center for Ethics Policy and Public Responsibility, Southern Methodist University | |
| Past Chairman | Baylor College of Dentistry Board of Directors | |
| Member and Past Chairman | Edison Electric Institute Board of Directors | |
| Chairman | National Infrastructure Advisory Council | |
| Member | Homeland Security Advisory Council | |
| Member and Vice Chairman | Governor's Business Council | |
| Member | The Women's Museum Board of Directors | |
| Member | Dallas Center for the Performing Arts Board of Directors | |
| Member | YWCA Board of Directors | |
| Member | Salvation Army Board of Directors | |
| Member | State Fair of Texas Board of Directors | |