Current
- Board of Directors, Liberty Hill Foundation
- Board of Directors, Los Angeles River State Park Partners
- Advisory Board, Friends of the Los Angeles River
Past
- Board of Directors, Mojave Desert Land Trust
- Board of Trustees, California Historical Society
- Advisory Board, This American Land, PBS Television
- Advisory Council, National Wildlife Federation in California
- Legacy Council, California Rangeland Trust
- Board of Advisors, EcoWest
- Board of Advisors, Modoc Forum
- Team Member, Innovation Lab for Museums, National Trust for Historic Preservation, 2012
- Peer Review, Delta Vision Foundation, Delta Vision Report Card, 2012