Peter A. Levine is an American psychologist and the creator of Somatic Experiencing, a therapeutic approach designed to help individuals recover from trauma. He has a background in both psychology and biology, which informs his understanding of the body's response to stress and trauma. Levine has authored several books, including Waking the Tiger: Healing Trauma, where he explores the nature of trauma and its effects on the body and mind. His work emphasizes the importance of bodily awareness in healing and has influenced many therapists and practitioners in the field of trauma recovery.