Teresita Santiago Lazaro commonly known as Ningning Lazaro is a Filipina educator, businesswoman, and politician who served as the governor of Laguna from 2001 to 2010. Previously, she served as Vice Governor of the province from 1995 until 2001, member of the Laguna Provincial Board from the 2nd District from 1992 until 1995, Vice Mayor of Calamba, Laguna from 1988 until 1992, and the member of the Calamba Municipal Council from 1986 until 1988.

Emilio Ramon Pelayo Ejercito III, commonly known as E. R. Ejercito, is a Filipino actor and former governor of Laguna from 2010 until his removal in 2014. Prior to his election as governor, he served as mayor of Pagsanjan, Laguna, from 2001 until 2010. He is the son of actor George Estregan and the nephew of former President and former Manila Mayor Joseph Estrada.