Regular Member:
- California State Association of Counties (CSAC)
- CalOptima
- Contracts & Operations Committee (Metrolink)
- Emergency Management Council
- First 5 Orange County, Children & Families Commission
- National Association of Counties (NACO)
- OC Operational Area Executive Board
- Orange County Community Corrections Partnership (OCCCP)
- Orange County Criminal Justice Coordinating Council (OCCJCC)
- Orange County Fire Authority (OCFA)
- Orange County Parks Foundation
- Orange County Sanitation District
- Orange County Transportation Agency Board (O.C.T.A)
- Regional Planning & Highways Committee (O.C.T.A)
- Transit Committee (O.C.T.A)
- Placentia Enhanced Infrastructure Financing District Finance Committee (E.I.F.D)
- Southern California Regional Rail Authority Board of Directors (Metrolink)
- Executive Committee (Metrolink)
- Operations, Contracts, and Maintenance Safety Committee (Metrolink)
- Transportation Corridor Agency-Foothill Eastern Committee (T.C.A)
- Joint Environmental Committee (T.C.A)
- Joint Finance & Investment Committee (T.C.A)
- Urban County Caucus
