Daniel Mason is a physician and author of the novels The Piano Tuner and A Far Country. His work has been translated into twenty-eight languages, and adapted for opera and theatre.

A recipient of a fellowship from the National Endowment for the Arts, he is currently a Clinical Assistant Professor of Psychiatry at Stanford University, where he teaches courses in the humanities and medicine. He lives in the Bay Area with his family. The Winter Soldier is his third novel.