Dr. Ponomarenko is a board certified general surgeon with fellowship training in surgical oncology. His surgical interests are in general surgery with particular interest in laparoscopic surgery and surgical oncology. He performs laparoscopic gallbladder surgery and all forms of laparoscopic hernia repair. He is an expert in treating cancers of the breast, colon, thyroid, skin, stomach and pancreas. Currently, he is the division chief of General Surgery and is the Cancer Liaison Physician for the The Center for Cancer Care at Griffin Hospital.