Wayne Walter Dyer (Detroit, Michigan, May 10, 1940 - Maui, Hawaii, August 29 2015) was an American self-help author and motivational speaker.Dyer is a psychotherapist and has doctoral degree in psychology from Wayne State University and the University of Michigan, and has taught at many levels, from high school to college.He is co-author of three textbooks, works with many newspapers and lectures throughout the U.S..He appears regularly on TV and radio.