Yvonne M. Agazarian teaches, trains, and consults internationally. She is the founder of the Systems-Centered Training and Research Institute. In 1997 she received the Group Psychologist of the Year Award from Division 49 of the American Psychological Association for her involvement in research, publication, teaching and training. She is the author of several books, including "Systems-Centered Therapy for Groups" (1997) and "Visible and Invisible Group" (1995).