Dr. Akintan is a graduate of the University of Jos Medical school in Nigeria. He completed his residency training in Psychiatry at the University of Maryland Medical System and went on to complete a Child Psychiatry Fellowship at the University of Maryland / Sheppard Pratt Hospital program in the USA, serving as Chief in his final year.

He moved to Canada and was appointed Assistant Professor at McMaster University and working at McMaster Children's Hospital for over a dozen years, serving as medical director for the inpatient service and emergency psychiatry services. He then moved to University of Toronto to take on a faculty position and as staff psychiatrist at the Hospital for Sick Children (SickKids), where his primary clinical responsibility is on the inpatient service.

He serves as the Director of Undergraduate Medical Education in the Division of Child and Youth Mental Health, University of Toronto. He is also on staff at Timmins and District Hospital, in Timmins, Ontario where he developed a unique model for virtual inpatient care delivery. He completed a Dual MBA program at Cornell university and Queens university in 2015.