Drs. William R. Rassman & Robert M. Bernstein are known worldwide for their undetectable Follicular Unit hair transplant procedures, now the gold standard for the field. With Dr. Pak, they recently innovated minimally invasive hair transplants. They are the most widely published authors on this subject. Dr. Rassman is certified by the American Board of Surgery, and Dr. Bernstein is Clinical Professor of Dermatology at Columbia University.