| Title | Chairman |
| Is Current | no |
| Executive | yes |
| Notes | Former President, CEO and Chairman of Lyondell Petrochemical Company • Senior VP Atlantic Richfield Corporation • VP ARCO Chemical • Sinclair Oil (acquired by ARCO) • Former Chairman and CEO of Howell Corp/Specified Fuels • Founder, President and CEO Carbon Nanotechnologies Inc. • Founder and Chairman, Ensysce |