Irvin David Yalom is an American existential psychiatrist celebrated for his work as an emeritus professor of psychiatry at Stanford University. He is renowned for his extensive contributions to both fiction and nonfiction literature, focusing on psychotherapy and existentialist themes.

In addition to his academic achievements, Yalom has made a significant impact through his writings, which explore the human condition and the therapeutic relationship. His career as an author and psychotherapist has been marked by a deep understanding of human psychology and an ability to communicate complex ideas with clarity and empathy.