He is on the faculty of the Interdisciplinary Center (IDC) Herzliya in Israel. In the past, he was a non-tenured lecturer at Harvard University Psychology department. He holds a PhD in Organizational Behavior from Harvard University. His dissertation, completed in 2004, is titled “Restoring Self-Esteem's Self-Esteem: The Constructs of Dependent and Independent Competence and Worth.” Additionally, he holds an A.B. degree from the University in Philosophy and Psychology. His undergraduate thesis, completed in 1996, is titled “Honesty Pays: Bridging the Gap Between Moral Theory and Practice.”
Tal is a veteran of the Israeli Defense Forces and works with the The David Project to "leads courses on how to understand the Middle East conflict, how to defend Israel in debates, and how to advance peace and justice in the Middle East by spreading civil society to a region that needs it.
He has taught a course titled "Positive Psychology" at Harvard in 2006, which attracted over 800 students.
Ben-Shahar published several books:
HOW TO BE HAPPY LIFE LIFE FEELING SHORT-CHANGED BY THE SELF-HELP BOOKS HE CONSULTED, TAL BEN-SHAHAR BUILT HIS OWN ROUTE TO WELLBEING. ADAM FORREST TRIES TO PUT HIS NATURAL CYNICISM BEHIND HIM AND GIVE THE APPROACH A GO
Jan 20, 2008; A FRIEND called recently, asking me to rank my personal happiness on a scale of one to 10. I sighed or squirmed; probably both....