Martyn Whittingham Editor & Author

Rebecca MacNair-Semands, Ph.D., CGP, AGPA-F is a Co-Chair of the Science to Service Task Force for the American Group Psychotherapy Association (AGPA).She recently co-authored The Ethics of Group Psychotherapy: Principles and Practical Strategies.

Martyn Whittingham, Ph.D., AGPA-F is a licensed psychologist at Whittingham Psychological Services, Cincinnati, Ohio, United States. He is the founder of Focused Brief Group Therapy (FBGT).