Bergman was born in 1972, and grew up in Kiryat Bialik. His mother was a teacher and his father was an accountant. He is the youngest of three children. As a boy, he was a reporter for a youth television show.
He studied law at the University of Haifa, and graduated cum laude from its law school. He is a member of the Israeli Bar. He also studied history and international relations at the University of Cambridge in the United Kingdom, and was awarded an M.Phil. degree in international relations, and then a PhD for his dissertation on the Israeli Mossad.
He is a member of the Körber Foundation "Munich Young Leaders 2010" and participated in the prestigious the "Munich 46 Security Conference".
He is a former senior staff feature writer for Haaretz.
Bergman is the recipient of the 1995 Bnei Brith Worlds Center Award for Journalism and the 1996 Ha’aretz award for Best Story.