Dr. Heinrichs is Professor (Emeritus) and Past Chair of Gynecology and Obstetrics at Stanford University School of Medicine, in Palo Alto, Calif., where he served as Professor and Chair of the Department of Gynecology and Obstetrics and Chief of the Gyn/Ob Service at Stanford University Hospital from 1976-1984.

Before that, he was a Professor of Obstetrics and Gynecology at University of Washington School of Medicine, Seattle, Washington. Dr. Heinrichs earned his M.S. and his Ph.D. in Biochemistry from University Oregon Medical Sciences University, after earning his M.D. with Honors from University of Oklahoma School of Medicine.

He has received innumerable honors, and his articles have appeared in Science, the American Journal of Obstetrics and Gynecology, The Journal of Reproductive Medicine, and many other professional publications. In addition, he has served as the acting editor of Gynecologic Investigation, an International Journal of the Science of Reproduction and as a member of the Editorial Board of the Western Journal of Medicine.

Dr. Heinrichs has co-authored two books on Women's health care, the last published in 1999, and sponsors a Webpage on Women's Health Promotion. He is a semi-final judge (health) for the GII Awards for Global Information Infrastructure.

Dr. Heinrichs is currently a Visiting Scholar/Surgeon at SUMMIT where he is developing anatomically correct, human 3D models as the virtual environment for computer-assisted teaching of pelvic anatomy and videoendoscopic surgery.