Zachary graduated from the Carnegie Mellon University School of Drama in 2005. Zachary grew up in Laguna, California and attended University High School in nearby Irvine. He is the youngest of two children. His sister is an elementary school teacher in Los Angeles, his mother is a choreographer/dance educator, and his father has an insurance brokerage in Irvine, California. Zachary currently resides in Manhattan, New York.