A "group psychotherapist" is a person who helps a group of people talk and understand their emotions and problems together. They guide the group in discussions and activities to improve their mental health and well-being. Full definition
The National Registry of Certified Group Psychotherapists certifies group therapists by the designation «CGP». (gpala.org)
The International Board for Certification of Group Psychotherapists offers this certification in group therapy for practicing clinicians. (lgpsonline.org)
Certified Group Psychotherapist from the Los Angeles Group Psychotherapy Institute, Los Angeles, in 1978. (sanville.edu)