Steve Hagen is a Zen priest, a longtime teacher of Buddhism, and the author of Buddhism Plain and Simple (Charles E. Tuttle, October 1997) and How the World Can Be the Way It Is: An Inquiry for the New Millennium into Science, Philosophy, and Perception (Quest Books, September 1995).

Hagen began studying Buddhism in 1967 and in 1975 became a student of Katagiri Roshi. He was ordained a Zen priest by Katagiri Roshi in 1979. Hagen later studied with Buddhist teachers in Asia and Europe. In 1989, he received Dharma transmission (endorsement to teach) from Katagiri Roshi.

Hagen lives in Minneapolis, where he lectures, teaches meditation, and leads retreats. He is currently the head teacher at Dharma Field Meditation and Learning Center in Minneapolis.