London Breed was elected to serve as mayor in June 2018, following years of work in public service. She joined San Francisco Board of Supervisors in 2013 and was elected President of the Board in 2015. Through her career, London has dedicated herself to the welfare of her community by improving San Francisco’s housing, environment, public safety, transportation, and quality of life. During her tenure as San Francisco Board of Supervisors board member, London helped pass the most stringent Styrofoam ban in the country, as well as drug take-back legislation that has kept over 40 tons of medical waste out of the San Francisco Bay and local landfills. Moreover, she led the city’s clean electrical energy program, CleanPowerSF, that helped has helped lower CO2 emissions, while reducing energy costs. She was born and raised as a San Franciscan and grew up in public housing.