Benjamin Zachary Bronfman (born August 6, 1982) is an American entrepreneur and musician. Bronfman is a strategic advisor and principal investor with Algae Systems, a carbon capture project and an associate managing director at Global Thermostat, a bio-fuel company. He was a member of rock band The Exit (going by the name Ben Brewer) and he is a member of the music collective Teachers and co-founder of the Green Owl record label.
He is the second-eldest child of actress Sherri Brewer and Edgar Bronfman Jr. the former CEO of Warner Music Group. He and musician and activist Mathangi "Maya" Arulpragasam, better known under the stage name M.I.A., were engaged from 2009-2012 and have a son together.