Endoscopy Team

Meet the Endoscopy Suite Staff

David Greenwald, MD
Clinical Director of Gastroenterology and Endoscopy

David Greenwald, MD, received his medical degree from Albert Einstein College of Medicine. He completed his residency and fellowship in Gastroenterology at Columbia Presbyterian Medical Center. Before joining Mount Sinai, Dr. Greenwald was the Director of the Gastroenterology Fellowship Program at Montefiore Medical Center and Albert Einstein College of Medicine, Associate Division Director for Education Affairs for the Division of Gastroenterology at Montefiore and the Medical Director of the Advanced Endoscopy Center at Montefiore. His primary clinical focus is colorectal cancer screening and prevention.

Jerome D. Waye, MD 
Director of Endoscopic Education,
Associate Medical Director of Endoscopy

Jerome (Jerry) Waye, MD, served as Chief of Endoscopy at Mount Sinai for more than 20 years. An internationally renowned endoscopist and expert in the removal of large polyps, Dr. Waye has written 7 textbooks, 200 papers and editorials, and is past president of the American College of Gastroenterology and the American Society of Gastrointestinal Endoscopy. He is currently president-elect of the World Organization of Digestive Endoscopy. Dr. Waye has given lectures and live demonstrations on every major continent (except Antarctica). He graduated from the Massachusetts Institute of Technology, where his crew team won the Royal Henley Regatta. Dr. Waye is also an accomplished magician.

Christopher J. DiMaio, MD
Director of Therapeutic Endoscopy

Dr. DiMaio received his medical degree from SUNY at Buffalo School of Medicine and completed his internal medicine training at Thomas Jefferson University Hospital. He then completed fellowship training in gastroenterology at NewYork-Presbyterian Hospital/Columbia University Medical Center, followed by a fellowship in Advanced Endoscopy in the combined Massachusetts General Hospital/Brigham & Women’s Hospital/Harvard Medical School program. Dr. DiMaio’s clinical interests are in pancreatic disease, biliary disease, and gastrointestinal cancers. He specializes in advanced diagnostic and therapeutic endoscopic procedures, including endoscopic ultrasound (EUS), fine needle aspiration (FNA), endoscopic retrograde cholangiopancreatography (ERCP), luminal stent placement, endoscopic mucosal resection and ablation, and complex polypectomy. His research focuses on patients with pancreatic cysts and pancreatic cancers, with a particular interest in using novel endoscopic techniques to diagnose and treat these lesions.

Michelle Kang Kim, MD 
Director or Endoscopic Ultrasound

Michelle Kang Kim, MD, MSc, received her undergraduate and medical degrees from Harvard College and Stanford University School of Medicine. She pursued postgraduate training at New York Presbyterian Hospital (Cornell). Dr. Kim has expertise in gastrointestinal cancers and particularly pancreatic cysts and tumors. She also has research projects in neuroendocrine and carcinoid tumors. Dr. Kim's endoscopic research interests include new applications of endoscopic ultrasound, such as delivery of therapeutic agents for pancreatic cancer, as well as the use of EUS in staging of lung cancers. An accomplished pianist, she enjoys running, traveling and spending time with her family.

Peter H. Rubin, MD 
Director of Endoscopic Teaching

Peter Rubin is a Clinical Associate Professor of Medicine and former co-Director of the Mount Sinai Endoscopy Suite. He has served as President of The Mount Sinai Hospital Medical Staff and the Association of Attending Staff. Dr. Rubin practices general gastroenterology with a focus on inflammatory bowel disease and dysplastic colon polyps. When he is not practicing gastroenterology, Dr. Rubin can often be found jogging in Central Park. (He has run in ten NYC Marathons!) He also continues to study and play classical piano.

Aurora Barriga, RN 
Coordinator, Direct Access Endoscopy

Aurora Barriga has more than a decade of experience working with patients in gastroenterology. After doing clinical research in Crohn's disease and ulcerative colitis, she returned to school to get her nursing degree so that she could work more closely with patients. She is thrilled to work with GI patients, combining her academic interest and her love of patient care. Aurora is a life-long New Yorker who loves spending time with her family and two daughters.

Rachna Khare
Senior Research Coordinator, Endoscopic Trials

Rachna Khare received her bachelor's degree in biology from the University of Texas at Austin. She has worked in clinical research at the American Cancer Society and the University of Texas. More recently, Rachna worked at M.D. Anderson Cancer Center, where she coordinated protocols focusing on the detection of Barrett's Esophagus and Esophageal Adenocarcinoma through biomarker discovery and imaging techniques. A native Texan, Rachna moved to New York City in the winter of 2008 to join the Mount Sinai team. She enjoys live music, books, and college basketball.