Dr. Kirwan was born in Liverpool and graduated from the Victoria University of Manchester. He is a Fellow of the Royal College of Surgeons of England. He also trained in General Surgery at Columbia Presbyterian Medical Center in New York. His training in Plastic Surgery was undertaken in Kansas City Missouri and in Hand Surgery at the University of Colorado. He has a Plastic Surgery practice in Manhattan, New York and Norwalk, Connecticut. He is certified by the American Board of Plastic Surgery (ASPS).