Mark Derek Foster is an American musician, singer, and songwriter, best known as the lead singer of the band Foster the People. After struggling to create a successful band in his early twenties, Foster finally had his big break as the founder and frontman of Foster the People in 2009, which he formed alongside his two friends Mark Pontius and Cubbie Fink. The band has since released four studio albums: Torches in 2011, Supermodel in 2014, Sacred Hearts Club in 2017 and Paradise State of Mind in 2024.