Richard S. Sharf has been a counseling psychologist at the Center for Counseling and Student Development at the University of Delaware for 37 years, providing counseling to university students. He also was the internship coordinator for the Psychology Doctoral Internship program. In addition, he taught graduate courses in counseling in the Department of Human Development and Family Studies. In writing THEORIES OF PSYCHOTHERAPY AND COUNSELING: CONCEPTS AND CASES, he corresponded with over 70 experts on theories of psychotherapy to ensure that the book is accurate and up to date. He is also author of APPLYING CAREER DEVELOPMENT THEORY TO COUNSELING, 6th Edition ((c)2014, Cengage Learning).