Gabriel Macht was born in The Bronx, New York, to Jewish parents. He is the son of Suzanne Victoria Pulier, a museum curator and archivist, and actor Stephen Macht. He has three siblings: Jesse, a musician (who appeared on The Next Great American Band), Ari Serbin, and Julie. Macht was raised in California from the age of five. After graduating from Beverly Hills High School, he attended Carnegie Mellon College of Fine Arts, where he graduated in 1994. During his time at Carnegie Mellon, he became a member of Delta Upsilon fraternity.

For more information press link below:
https://en.wikipedia.org/wiki/Gabriel_Macht