Date of Birth: 
About Bill O'Hanlon
- Bill O'Hanlon, M.S., is psychotherapist, author, and speaker.
- He co-developed Solution-Oriented Therapy, a form of Solution focused brief therapy and has authored or co-authored over 30 books (ranging from brief therapy for various clinical topics to those about publishing).
- He is also a musician who plays guitar and writes songs.
Read more at Wikipedia