| Title | Chair |
| Start Date | 2001-00-00 |
| End Date | 2014-00-00 |
| Is Current | no |
| Board member | yes |
| Executive | yes |
| Notes | "Blum has served as CBRE's chairman since September 2001, and is also a major shareholder of the company through investment partnerships. He has been a director of the company since July 1993." |