Sam Keen is a noted American author, professor and philosopher who is best known for his exploration of questions regarding love, life, religion, and being a man in contemporary society. He also co-produced an award-winning PBS documentary, was the subject of a Bill Moyers television special in the early 1990s, and for 20 years served as a contributing editor at Psychology Today magazine.

Keen completed his undergraduate studies at Ursinus College in Collegeville, Pennsylvania and later completed graduate degrees at Harvard University and Princeton University.