Jiali Fang, MD

Current research is focussed on Barrett's esophagus. Targeted biopsies using confocal endomicroscopy for more accurate diagnosis. Radiofrequency ablation of Barrett's esophagus. Endoscopic mucosal resection of pre-cancerous lesions and early cancer. Blood tests and biopsy tests for early detection of esophageal cancer. Prevention of esophageal cancer in Barrett's esophagus.

Monica Velasco is certified by the American Academy of Nurse Practitioners as a Family Nurse Practitioner. She received her Doctorate in Nursing Practice from Columbia University School of Nursing in New York, NY. Previously, she received her Master of Science in Nursing and her Bachelor of Science in Nursing from the University of Miami, FL. She is a member of Sigma Theta Tau International Nursing Honor Society and the Transplant Nurses Association. She earned many awards and honors during her clinical and academic career, including the Mary Dickey Lindsay ’45 Nursing Scholar, 2013 from Columbia University School of Nursing. She has co-authored numerous transplant publications and has served as an international guest speaker. She is considered an expert in the field of Intestinal and Multivisceral Transplant. Monica’s nursing experience spans over 25 years. She began her transplant career in 1998 at the University of Miami, where she worked for 13 years as the Program Manager for the Pediatric Liver and Intestinal Transplant Division and Senior Transplant Clinical Coordinator. During her time there, she helped grow the Liver and Intestinal Transplant Program into one of the top transplant centers in the world. In 2010, she was recruited by the Center of Liver Disease and Abdominal Transplantation at Columbia University Medical Center in New York. Currently, she is the Program Manager for the Intestinal and Ex-Vivo Transplant Division and is a Senior Transplant Clinical Coordinator. She has over two decades of clinical experience in pediatrics, taking care of complex liver and intestinal transplant patients. She has vast experience working with nutritionally challenged patients who require enteral and parenteral nutrition. She is a co-investigator on numerous research projects in the areas of liver and intestinal transplantation. She holds a Clinical Faculty Position at Columbia University School of Nursing, where she serves as an Assistant Professor of Nursing, Clinical Preceptor and Portfolio Advisor for their Doctorate Program. Fluent in Spanish Visit The Center for Liver Disease and Transplantation at columbiasurgery.org/liver

Dr. Ellen (Ellie) Axenfeld is an Assistant Professor in Medicine at Columbia University College of Physicians and Surgeons and an Assistant Attending Physician at New York Presbyterian Hospital. She received her MD from the University of Maryland School of Medicine and a BBA in Business Management with a Chemistry minor from the University of Miami, Herbert Business School. Dr. Axenfeld is a member of the American College of Gastroenterology and American Society for Gastrointestinal Endoscopy. She was a Co-recipient of the Muschel Award (resident of the year) in 2020.