Odusanya Adedeji A. is a Licensed and Certified Clinical Psychologist. He is a Psychotherapist, mental health advocate, drug addiction expert. He specializes in alcohol and drug addiction treatment. He had his training in the University College Hospital (UCH), Ibadan, and Federal Neuro-Psychiatric Hospital, Aro, Abeokuta, Ogun State, Nigeria.

He bagged his first degree (B.Sc Psychology) from University of Ibadan, and subsequently second degree (M.Sc Clinical Psychology) from University of Ibadan. He had worked in organizations such as Family Wellness Psychological Center, Lekki, Lagos, Mental Health Compass, Lekki, Lagos, and presently working with Hakron Specialist Care Hospital, Mafoluku-Oshodi, Lagos State, as a Clinical Psychologist.

His areas of expertise include Depression, Drug Addiction, Anger Management, Anxiety, PTSD, and Marital Conflict.