Tarah Pua, MD, MS

Alex Johnson Addo, MD MPH is an Assistant Professor of Surgery at Columbia University Irving Medical Center. He is a board-certified general surgeon who is fellowship trained in minimally invasive and robotic surgery. He graduated from Tufts University School of Medicine and completed his residency in general surgery at Geisinger Medical Center in Danville, PA. He also completed a research fellowship at Anne Arundel Medical Center in Maryland focusing on patient-driven-outcomes of minimally invasive benign foregut and complex abdominal wall reconstruction surgery. He has published his research in peer-reviewed journals and presented at professional conferences both nationally and internationally. He continues to be actively engaged in hernia related research. After graduating from general surgery residency, Dr. Addo underwent fellowship training in minimally invasive foregut and complex abdominal wall surgery at Anne Arundel Medical Center in Annapolis, Maryland. Dr. Addo employs advanced minimally invasive techniques in repairing inguinal, ventral, incisional and complex abdominal wall hernias. He is passionate about delivering exceptional care and tailored surgical solutions to his patients.

Dr. S. Sunghyun Yoon is the Chief of the Division of Surgical Oncology and Vice-Chair of Surgical Oncology Research and Education in the Department of Surgery at Columbia University Irving Medical Center (CUIMC). Dr. Yoon is a national and international expert in the treatment of patients with sarcomas and other soft tissue tumors, gastric (stomach) and gastroesophageal cancers, gastrointestinal stromal tumors (GISTs), and melanoma. He also has over 18 years of experience in the treatment of other gastrointestinal and abdominal tumors, hepatobiliary tumors, neuroendocrine/adrenal tumors, lymphomas, and spleen tumors. He has been the principal investigator of several clinical trials examining novel treatment strategies and given numerous invited national and international lectures in relation to these cancers. Several of these trials have investigated the treatment of sarcomas, especially abdominal/retroperitoneal sarcomas, with advanced radiation techniques such as proton beam radiation and aggressive surgical resection to minimize local recurrence. Read More About These Treatments: https://columbiasurgery.org/conditions-and-treatments/retroperitoneal-sarcomas-and-pelvic-sarcomas Dr. Yoon was an early advocate for minimally invasive robotic surgery and has performed over 300 robotic procedures including robotic gastrectomies (stomach removal). He has one of the world’s largest experiences in performing prophylactic total gastrectomies for patients with hereditary diffuse gastric cancer (HDGC syndrome) secondary to germline CDH1 mutation. He pioneered a technique for connection of the small bowel to the esophagus after total gastrectomy that is used by former surgical trainees and colleagues throughout the country due to its extremely low leakage rate. Dr. Yoon graduated from Harvard University and received his M.D. from the University of California at San Diego. He completed his residency in general surgery at Massachusetts General Hospital and his fellowship in surgical oncology at the Memorial Sloan-Kettering Cancer Center. He was an Associate Professor of Surgery at Massachusetts General Hospital and Harvard Medical School before joining the staff at Memorial Sloan-Kettering Cancer Center in 2012. Dr. Yoon was an Attending Surgeon in the Division of Gastric and Mixed Tumors at Memorial Sloan Kettering Cancer Center and a Professor of Surgery at Weill Cornell Medical College before joining CUIMC in 2021. Dr. Yoon’s main research interests are in cancer stem cells and targeted biological agents in combination with chemotherapy and radiation therapy. His laboratory has been funded by the National Institutes of Health/National Cancer Institute for 18 years and strives to translate new research discoveries into the clinic. Dr. Yoon is also part of multi-institution research groups funded by Stand Up To Cancer and the DeGregorio Family Foundation to discover early diagnostics and new therapies for gastric cancer. His clinical and research efforts have led to over 150 original research articles, book chapters, and reviews. For a complete list of publications, please visit NCBI.

Hyesoo Lowe, MD is a board-certified Endocrinologist at Columbia University, and the Medical Director of the Columbia Thyroid Center. Dr. Lowe has a special interest in thyroid disorders including thyroid nodules, thyroid cancer, hyper and hypothyroidism, and thyroid illnesses in pregnancy. She has advanced training in thyroid ultrasound and fine needle aspiration biopsy and co-directs the Thyroid Biopsy Program, overseeing the Endocrine Thyroid Biopsy Fast Track. Dr. Lowe received her medical degree from the Weill Cornell Medical College, followed by residency in Internal Medicine at Yale New Haven Hospital, then completed her fellowship in Endocrinology at Columbia University Medical Center. She is actively involved in medical student education at the Columbia University Vagelos College of Physicians and Surgeons, and is also on the teaching faculty of the Endocrinology Fellowship program at Columbia, where she is the course director for the Thyroid Ultrasound and Biopsy Course. Her clinical practice is devoted to the care of thyroid conditions and she closely collaborates with her colleagues in Endocrine Surgery, Reproductive Endocrinology, Pathology, and Nuclear Medicine at Columbia. Dr. Lowe is committed to providing individualized patient-centered care and she has been recognized as a Castle Connolly Top Doctor, listed in Castle Connollys Exceptional Women in Medicine, and featured among New York Magazine’s Top Doctors as well as NY Times Super Doctors. She is passionate about patient education, and she regularly contributes to content found online, audio, and in print: https://healthmatters.nyp.org/what-are-the-signs-of-a-thyroid-condition-with-dr-hyesoo-lowe/ https://columbiasurgery.org/news/columbia-podcast-series https://www.youtube.com/watch?v=W8JumfDJDP0