George Fielding, MD, FRCS, FRACS

A pioneer weight loss surgeon specializing in laparoscopic and bariatric surgery, with over 4,000 bariatric surgeries including weight loss surgery on super obese people and on obese teens and obese children. Learn more...

Christine Ren, MD, FRCS

Dr. Ren is an expert in bariatric medicine and is the founder of the NYU Program for Surgical Weight loss.

Dr. Ren is nationally and internationally recognized leader in the field of laparoscopic bariatric surgery who lectures worldwide. She has authored over 25 medical publications, 45 medical abstracts, and 5 book chapters. Learn more...

Marina S. Kurian, MD, FACS

Marina Kurian, MD has dedicated a significant part of her professional life to the treatment of obesity and making surgery less painful with minimally invasive techniques. Dr. Kurian is a New York City native and graduated from prestigious Stuyvesant High School. She was accepted into a combined six year college/medical school program at Albany Medical College. She completed her surgical training at Albany Medical College where she began to develop her interest in obesity management. Learn more...

Meet our Team:

Psychologist:

Warren Huberman, Ph.D.

Dr. Huberman specializes in cognitive-behavior therapy with a focus on behavioral medicine for patients over the age of 15. His subspecialties include the treatment of anxiety and mood disorders and habit control disorders, including smoking cessation and obesity. Dr. Huberman is the former Director of Outpatient Psychological Services at the Joan and Joel Smilow Cardiac Rehabilitation and Prevention Center at NYU Medical Center. He earned his doctorate in clinical/school psychology from Hofstra University in 1993.

Donna Rivera, Ph.D.

Dr. Rivera graduated with a Ph.D. from the Clinical Psychology Program at Teachers College, Columbia University, in 1998.  Her professional career began in 1970 at the Maimonides Medical Center, Department of Psychiatry, where she worked as a clinician while pursuing her goal of becoming a clinical psychologist.  Dr. Rivera's training was focused in understanding human behavior within a psychodynamic framework.  In recent years she has also integrated concepts of cognitive behavioral therapy into her work, especially with regard to weight loss issues.  In 2000 Dr. Rivera began administering psychological assessments to the patients of several prominent weight loss surgeons in the New York City area.  In 2001 Dr. Rivera left Maimonides to work full-time in her private practice, where she continues to devote much of her time to the evaluation of patients preparing for weight loss surgery.


Nutritionist:
Cristina Caracoti, RD

Clinical Nurse:
Gaspar Rosario, NP-C

Clinical Research Coordinator:
Allison Youn, RN, CCRC, MA

Physician Assistant:
Anne Finger, PA