Our Team

The Division of Gynecologic Specialty Surgery at Columbia University Medical Center is a diverse group of physicians and surgeons offering consultation in the surgical management of benign pelvic disorders of the female reproductive system.

Our services include a full range of medical, office-based, minimally invasive, and robotic technologies to assist you in managing your needs and restoring good health.


Dr. Arnold Advincula

Minimally Invasive Gynecologic Surgery

Dr. Sophie Chheang

Interventional Radiology

Dr. Andrew Eisenberger


Dr. Jin Hee (Jeannie) Kim

Minimally Invasive Gynecologic Surgery

Dr. Roger Lobo

Reproductive Endocrinology & Infertility

Dr. Michael Pitter

Minimally Invasive Gynecologic Surgery

Dr. Beth Rackow

Pediatric & Adolescent Gynecology

Dr. Timothy Ryntz

Gynecologic Surgery


LeadershipHeadshot (Pitter) Resized

Program Director for the Center for Research and Advanced Fibroid Treatment (CRAFT), Dr. Michael Pitter, has practiced gynecology for over two decades. Dr. Pitter brings together his experience from teaching hospitals and surgeons all over the world – in addition to publishing cutting edge research on fertility outcomes and symptom relief after robotic myomectomy. Dr. Pitter’s clinical focus is managing large fibroid uteri in a minimally invasive fashion through pioneering outpatient technologies.