Benjamin Zachary Bronfman (born August 6, 1982) is an American businessman and musician.^[1] Bronfman is a founding partner and board member of Global Thermostat, a direct air capture company that removes carbon dioxide from the atmosphere.^[2][3]

Benjamin Zachary Bronfman was born on August 6, 1982 in New York City to African American actress Sherry Brewer Bronfman and Edgar Bronfman Jr., former chief executive officer of Warner Music Group. He has two sisters, Hannah and Vanessa.^[4]

Bronfman lived in London briefly when his father was managing director of Seagram Distilleries Europe. The family returned to New York in 1984 after his father became president of Seagram's US marketing division.^[5]

Bronfman attended Collegiate High School in New York City, graduating in 2000.^{[citation needed]} He enrolled in Emerson College in Boston, Massachusetts where he studied politics and law.^{[citation needed]}

In 2007, Bronfman became interested in direct carbon dioxide removal from the Earth's atmosphere, teamed up with Columbia University economist Graciela Chichilnisky and founded Global Thermostat, where he is a founding partner and a director.^[6] Global Thermostat completed the construction of its first pilot plant at The Stanford Research Institute in November 2010.^[7] In the year 2018, Bronfman founded DGH, an investment firm for the medical cannabis industry which invested in Bedrocan International. He then contributed as a member of the board of directors from 2018 - 2023 at Bedrocan International., a pharmaceutically focused medical cannabis API supply company in Europe.^{[citation needed]}

A music enthusiast since his childhood, Bronfman met Gunnar Olsen in high school and both performed in various bands. One of those bands became an early incarnation of The Exit in 2000 when Bronfman met Jeff DaRosa while attending Emerson College in Boston. The Exit is a critically acclaimed, New York City-based Indie / Post-Punk / Reggae group released two albums.^{[citation needed]}

Bronfman received a Grammy nomination for Best rap song for his collaborative contribution to Kanye West's single "New Slaves" featured on the album Yeezus.^[8] He co-produced the track "Monster" which was included on Kanye West's Grammy Award-winning album My Beautiful Dark Twisted Fantasy.

Bronfman is the founder of Green Owl, which claims to be the world's first sustainability-focused record label.^[9]

Bronfman met British rapper M.I.A. in 2008. They became engaged and M.I.A. gave birth to their son on February 13, 2009.^[10] In February 2012, it was announced that the two had separated.^[11]

Since 2010, Bronfman has engaged in cannabis advocacy efforts aimed at promoting legislative changes to grant patients access to cannabis.^[12]

He has served on the boards of the following non-profit organizations: Pioneer Works, Liberty Science Center, Americans for Safe Access, and 15 Percent Pledge.