Professor Wilcox trained at the University of London and completed his residency there. He completed his fellowship in Pediatric Urology at the University of London at Great Ormond Street Children's Hospital. Special areas of interest are hypospadias surgery, genitourinary problems in patients born with imperforate anus and patients with spinal defects. He is an investigator in a number of clinical outcome studies specifically involving hypospadias, undescended testicles and patients with hydronephrosis. He has a long term research interest in the clinical problems associated with patients born with imperforate anus and works closely with the Pediatric Surgeons at The Children's Hospital to provide comprehensive multidisciplinary care to these patients.

Professor Koyle joined SickKids as the Head of the Division of Urology, and the University of Toronto as a Professor of Surgery in July of 2011. He was previously Division Chief at Seattle Children's and the University of Washington in Seattle, Washington, where he held the Michael Mitchell Endowed Chair in Paediatric Urology. After completing his medical school education in Winnipeg, Canada, at the University of Manitoba, he undertook residency and fellowship training at Los Angeles - USC Medical Center, Harvard University and in San Francisco. Koyle completed an [...] in Quality Improvement and Patient Safety (QIP) at IHPME at the University of Toronto where he remains on faculty, in addition to being a core faculty member of C-QuIPS (Centre for Quality Improvement and Patient Safety). During his more than a third of a century in academic urology, Koyle has been known for his many innovations and contributions, specifically to the fields of paediatric urology and transplantation, as well as leadership and quality improvement and patient safety.