Lena Tam joined the Friends of the Park Foundation Board in January 2015. She served as an Alameda City Councilmember for eight years and was elected Vice-Mayor in 2006. Lena has been instrumental in funding recreation, parks, and open space in Alameda during her tenure on the Council. She collaborated with the Alameda Boys & Girls Club to provide after-school programs for the youth. She advanced the renovation of the Encinal Pool and secured $2M in dedicated funding for the 22-acre Jean Sweeney Open Space Park.
Lena was also a founding board member of the City of Alameda Health Care District Board of Directors and served on the Board of Save the Bay. She was the Manager of Water Resource Planning with the East Bay Municipal Utility District. In November 2022, Lena was elected to the Alameda County Board of Supervisors for District 3, which covers parts of Oakland, Alameda, San Leandro, San Lorenzo, Hillcrest Knolls, and Hayward Acres..