John Holbrook
| Occupation: | Retired |
| Residence: | Manteca, CA |
| Background: | City of Stockton Municipal Utilities Department, Construction Inspector. San Joaquin County Highway and Flood Control Departments. Senior Chief Petty Officer, US Navy |
| Education: | Humboldt State College, A.A. in Industrial Safety |
| Hobbies: | Hunting, fishing, golf and hiking |
| Family: | Wife Denise, 2 sons, 3 grandchildren and 1 great grandson |
| Service on SSJID Board: | Since 2007 |
| Committees: | Personnel, Insurance & Safety, Public Relations |