| Staff | Title | Departments | Phone | Email |
|---|
| Atherton, Sarah | Department Assistant | Library - City | 949-717-3874 | |
| Aguilar, Erika | Library Assistant | Library - City | 949-717-3861 | |
| Asato, Natalie | Human Resources Specialist I (HRis) | Human Resources | 949-270-8141 | |
| Arellano, Tosha | Human Resources Specialist II | Human Resources | 949-644-3337 | |
| Arnett, Chelsea | Department Assistant | Fire | 949-644-3175 | |
| Armstrong, Kip | Lifeguard II | Fire | | |
| Argersinger, Samuel | Lifeguard I | Fire | | |
| Anderson, Matthew | Fire Engineer 112 Hour | Fire | 949-644-3355 | |
| Anderson, Bryce | Firefighter Paramedic 112 Hour | Fire | 949-644-3355 | |
| Amling, Caroline | Lifeguard I | Fire | | |
| Ambrose, Trevor | Lifeguard I | Fire | | |
| Ambrose, Matthew | Fire Staff Captain, Ems/Training | Fire | 949-644-3104 | |
| Ambrose, Madilynn | Lifeguard I | Fire | | |
| Amat, Alex | Fire Captain 112 Hours | Fire | 949-644-3104 | |
| Alcaraz, Debbie | Administrative Assistant To The Fire Chief | Fire | 949-644-3351 | |
| Aigner, Jason | Lifeguard II | Fire | | |
| Arechiga-Camacho, Sonia | Fiscal Clerk, Senior | Finance | 949-644-3137 | |
| Alannouf, Anthony | Management Assistant | Finance | 949-644-3148 | |
| Aquino, Dan | Civil Engineer - Plan Check | Community Development | 949-644-3292 | |
| Achis, Patrick | Planner, Assistant | Community Development | 949-644-3237 | |
