Park, Recreation and Open Space Advisory Committee (PROSAC) is a 23 person citizens' advisory committee that submits written comments to Rec and Park on its proposed Strategic, Capital and Operational Plans. Appointed by Supervisors, members of the committee also serve as liaisons between the Commission and the residents, neighborhood groups and organizations dedicated to park and recreational issues.
To find out about PROSAC membership, terms and duties, bylaws, upcoming meeting dates and locations, or to view past meeting agendas and minutes, click here. To contact PROSAC, email Chair Bill Wilson: bill.f.wilson@gmail.com.
Following are the PROSAC representatives, listed by Supervisor District:
| | Name | District | Appointed By |
| 1. | Les Hilger | 1 | Jake McGoldrick |
| 2. | Lani Battiste | 1 | Jake McGoldrick |
| 3. | vacant | 2 | Michela Alioto-Pier |
| 4. | Elliott Robbins | 2 | Michela Alioto-Pier |
| 5. | Tan Chow | 3 | Aaron Peskin |
| 6. | Mary Lipian | 3 | Aaron Peskin |
| 7. | Felicia Zeiger | 4 | Fiona Ma |
| 8. | Nancy Wuerfel | 4 | Fiona Ma |
| 9. | Peter Brastow | 5 | Matt Gonzalez |
| 10. | Lisa Fisher, Vice Chair | 5 | Ross Mirkarimi |
| 11. | Stuart Nachtsheim | 6 | Chris Daly |
| 12. | vacant | 6 | Chris Daly |
| 13. | Gregory Rocca | 7 | Tony Hall |
| 14. | vacant | 7 | Tony Hall |
| 15. | William Wilson, Chair | 8 | Bevan Dufty; Contact: bill.f.wilson@gmail.com |
| 16. | Jeanne McKinney | 8 | Bevan Dufty |
| 17. | Jeanne Darrah | 9 | Tom Ammiano |
| 18. | Roberto Hernandez | 9 | Tom Ammiano |
| 19. | vacant | 10 | Sophie Maxwell |
| 20. | William Carlin | 10 | Sophie Maxwell |
| 21. | Sharon Eberhardt | 11 | Gerardo Sandoval |
| 22. | Nancy Barber | 11 | Gerardo Sandoval |
| 23. | Ancel Martinez | at large | Mayor Gavin Newsom |
