Facts: - known for: subpersonality - fields: psychology - name: john rowan - image size: 200px - nationality: english - alma mater: middlesex university Based on these bullet points, write a short biography describing the life of john rowan -lrb- psychologist -rrb- .
The answer to this question is:
john rowan is an english author , counselor , psychotherapist and clinical supervisor who has worked in exploring transpersonal psychology , and has written about the concept of subpersonality .