Dr. Fung obtained his clinical and research pediatric urologic fellowship training at the Hospital for Sick Children in Toronto, and the Children's Hospital in Boston. Dr. Fung provides a full spectrum of pediatric urologic clinical services based at the University of Minnesota.

Among his many innovations, he has pioneered the reimplantation of ureters using laparoscopic technique, for the treatment of primary vesicoureteral reflux. He currently holds the world's largest experience in this area. He is also a national authority in obstructive uropathy, and offers innovative solutions to a wide range of the most challenging surgical reconstructions.

Dr. Fung's research interests include genitourinary tissue engineering using multi-potent progenitor cells, non-invasive quantitation of renal function using dynamic nuclear medicine imaging, and bladder smooth muscle molecular signaling under pathological obstructive conditions.