Dwight Aberle, MD

Dr. Lyndon Luk is a board-certified radiologist specializing in abdominal imaging. He is an associate professor of radiology at Columbia University Irving Medical Center and an attending radiologist at NewYork-Presbyterian Hospital. He serves as chief of the Division of Abdominal Imaging for the Department of Radiology and program director of the Abdominal Imaging Fellowship. Dr. Luk's research interests include pancreas imaging, early detection surveillance for pancreatic cancer, advanced MR imaging techniques of the bladder and prostate, radiomics, and machine learning/artificial intelligence. As a member of the Pancreas Center at Columbia, Dr. Luk leads imaging review with a multidisciplinary team of surgeons, oncologists, gastroenterologists, and radiation oncologists, reviewing over 1200 patients annually. Dr. Luk is a member of the Society of Abdominal Radiology (SAR) Pancreas Adenocarcinoma Disease-Focused Panel, collaborating with colleagues across the country to improve patient care and publish research. Dr. Luk is passionate about daily education of radiology residents and fellows on clinical service, with an emphasis on radiology reporting that provides effective care for patients and value for referring clinicians. He has been the recipient of multiple teaching awards, including the the Department of Radiology's Lecturer of the Year, Teacher of the Year, and Mentor of the Year. He has mentored many residents and fellows who have gone onto successful careers in both academic and private practice. After receiving his BS from New York University, Dr. Luk earned his medical degree from Rutgers-New Jersey Medical School. He then went on to complete a Diagnostic Radiology Residency at CUIMC/NewYork-Presbyterian, where he served as chief resident, followed by an Abdominal Imaging Fellowship at New York University Langone Medical Center.

Justin K. Greisberg, MD, is an orthopedic surgeon specializing in foot and ankle reconstruction and complex musculoskeletal trauma. Dr. Greisberg is Chief of Foot & Ankle Orthopedics, Chief of Orthopedic Trauma, at NewYork-Presbyterian-Lawrence Division, and Professor of Orthopedic Surgery, Columbia University. Dr. Greisberg is an expert on complex reconstructive surgeries, limb realignment, diabetic reconstruction, Achilles tendon injuries, stress fractures, and total ankle replacement. His practice leverages advanced minimally invasive arthroscopic techniques, combined with the latest medications, braces, and orthotics to ensure accelerated recovery times. Following medical school and residency training, Dr. Greisberg completed advanced fellowship training in both foot and ankle surgery and orthopedic trauma. As chief of the foot and ankle service at Columbia University Irving Medical Center, Dr. Greisberg's practice – based in Manhattan and Westchester County – is supported by the full resources of the NewYork-Presbyterian Hospital system, and he frequently receives emergency trauma cases from across the region. In addition to his clinical practice, Dr. Greisberg is also a highly respected scholar who is conducting several research trials on foot and ankle procedures and trauma surgery. He co-authored a textbook, Core Knowledge in Orthopedics: Foot and Ankle, and numerous peer-reviewed articles that have appeared in professional medical journals. Dr. Greisberg is actively involved in the education of medical students and orthopedic residents and is frequently invited to lecture on complex problems of the foot and ankle at major medical conferences.

Dr. Luke Pasick is an Assistant in Clinical and a Postdoctoral Clinical Fellow in the Department of Otolaryngology Head and Neck Surgery at the Columbia University Irving Medical Center. He received his MD in Drexel University College of Medicine. Dr. Pasick is a member of American Academy of Otolaryngology-Head and Neck Surgery Foundation. His professional interests focus on Patient Safety and Quality Improvement Initiatives, and he has vast research experience and publications. He has an interest in Laryngology.