Jeffrey KottlerJeffrey A. Kottler, Ph.D. is one of the most prominent authors in the fields of psychology, health, education, and advocacy having written over 100 books across a broad range of topics, including On Being a Therapist and Practicing What YouPreach: Self-Care for Helping Professionals. He is professor emeritus at California State University, Fullerton, residing in Houston, Texas, where he works on issues related to immigrant and refugee mental health and wellness. Read More Read Less