Allen Klein

Allen Klein, often known as the ‘Jollytologist,’ is an award-winning American author and professional speaker specializing in the therapeutic benefits of humor. After experiencing personal loss, he dedicated his career to researching how laughter and positivity can help individuals navigate grief and adversity.

He is the author of over two dozen books, most notably The Healing Power of Humor, which has become a classic text in the field of therapeutic laughter. His other popular titles include The Courage to Laugh and Embracing Life After Loss, all of which blend psychological insight with uplifting anecdotes.

Klein is a former president of the Association for Applied and Therapeutic Humor (AATH) and frequently keynotes at healthcare and corporate conferences. His pioneering work continues to teach audiences how to use joy and humor as vital tools for emotional resilience.