| Title | President, Chairman |
| Start Date | 1978-00-00 |
| Is Current | yes |
| Board member | yes |
| Executive | yes |
| Employee | yes |
| Notes | Stanley R. Zax, Chairman of the Board and President of Zenith and Chairman of the Board of Zenith Insurance for more than the past thirty years; President of Zenith Insurance, 1978 to 2005. |