Originally a doctor who served as the head of Chaldea's medical department, but ever since the accident, this young man has taken command as the acting director of Chaldea. He is generally known simply as Roman, or Dr. Roman. Wimpy and more than a little milquetoast, he is nevertheless a dependable leader who tirelessly works to guide Fujimaru and company’s journey as best he can. Before becoming a part of Chaldea, he wandered the world to learn the art of medicine.