ANDERSEN: Supervisor talks to Rossmoor Rotary elected to that board in June 2012, and was the board chair most recently in 2025. Andersen was a member of the Danville Town Council from 2003 until she joined the Board of Supervisors. She served two year-long stints as that town’s mayor. On Dec. 9, the Board of Supervisors voted to place a measure to renew the County’s Urban Limit Line