Biography: Mark Derek Foster is an American singer, songwriter, and musician, best known as the lead singer of the band Foster the People. After struggling to create a successful band in his early 20s, Foster finally had his big break as one of the co-founders of Foster the People in 2009, along with his two friends, Mark Pontius and Cubbie Fink. The band has since released three studio albums: Torches in 2011, Supermodel in 2014, and Sacred Hearts Club in 2017.