Fairfax County offers its residents a variety of opportunities to serve the community in an advisory capacity as members of a Board, Authority or Commission (also known as "BAC"). The following list includes Supervisor Foust's appointees and vacancies.
| Board, Authority or Commission | Appointee |
| A. Heath Onthank Award Selection Committee | Kerrie Wilson |
| Advisory Social Services Board | Ben Zuhl |
| Airports Advisory Committee (Business) | Robert Ackerman |
| Airports Advisory Committee (District) | Jim Phelps |
| Animal Services Advisory Commission | Diane D'Arcy |
| Athletic Council (Principal) | Gregory Beckwith Esquire |
| Athletic Council (Alternate) | Brian Luwis |
| Barbara Varon Volunteer Award Selection Committee | Barbara Glakas |
| Board of Building and Fire Prevention Code Appeals | David Conover |
| Board of Equalization of Real Estate Assessments | Andrew Gannon |
| Chesapeake Bay Preservation Ordinance Exception Review Committee | Edward Monroe |
| Child Care Advisory Council | Valerie Inman |
| Citizen Corps Council | Eric Marx |
| Civil Service Commission | Herbert Kemp |
| Commission for Women | Carla Post |
| Commission on Aging | Kay Larmer |
| Commission on Organ and Tissue Donation and Transplantation | Lisa Kory |
| Community Action Advisory Board | Ben Zuhl |
| Consumer Protection Commission | Triston "Chase" O'Savio |
| Criminal Justice Advisory Board | Herb Kemp |
| Economic Advisory Commission (At-Large) | Dominic Bonaiuto |
| Economic Advisory Commission (District) | Todd R. House |
| Environmental Quality Advisory Council | Kenneth Gubin |
| Fairfax Area Disability Services Board | Courtney Cezair Mayers |
| Fairfax County 250th Commission | Subhi Mehdi |
| Fairfax County Convention & Visitors Corporation Board | Jo LaBrecque-French |
| Fairfax-Falls Church Community Services Board | Jennifer Adeli |
| Health Care Advisory Board | Kelly Green Kahn |
| Health Systems Agency Board - Provider #3 | John Whyte |
| Health Systems Agency Board - Consumer #5 | Lydia Lawrence |
| Historical Marker Project Voting Committee | Barbara Glakas |
| History Commission - At Large | Carole Herrick |
| History Commission - Historian #3 | Subhi Mehdi |
| Human Services Council - Dranesville #1 | Steven Bloom |
| Human Services Council - Dranesville #2 | Fatima Mirza |
| Information Technology Advisory Committee | Rajni Goel |
| Juvenile and Domestic Relations District Court Citizens Advisory Council | Crystopher Herrera |
| Library Board | Sujatha Hampton |
| Park Authority Board | Tim Hackman |
| Planning Commission | John Ulfelder |
| Redevelopment and Housing Authority | Melissa McKenna |
| Reston Transportation Service District Advisory Board | Mike Shindledecker |
| Small Business Commission | Gigi Thompson Jarvis |
| Tenant Landlord Commission | Paula Park |
| Trails and Sidewalks Committee | Lydia Lawrence |
| Transportation Advisory Commission | Michael Champness |
| Tree Commission | Bob Vickers |
| Trespass Towing Advisory Board | Alvin Leach |
| Tysons Transportation Service District Advisory Board | Mark Zetts |
| Water Authority | Cheryl Ginyard-Jones |
| Young Adults Advisory Council | Pranav Choudhary |
If you are interested in serving on a BAC please email your resume and the BACs you are interested in to Dranesville@fairfaxcounty.gov.
For more information visit the BAC website.