Jeffrey KottlerJeffrey A. Kottler is one of the most prominent authors and presenters in the fields of counseling, psychotherapy, health, education, and advocacy. He has written over 100 books about a wide range of subjects. Jeffrey has been a counselor, theapist, supervisor, researcher, and educator for 50 years, having worked in preschool, middle school, mental health center, crisis center, hospital, medical school, refugee resettlement, nongovernmental organization (NGO), university, community college, private practice, and disaster relief settings. He is professor emeritus at California State University, Fullerton, and resides in Houston, Texas, as a base for his teaching, consulting, and travels. Read More Read Less