Dr. Gilbert Simoni is an interventional gastroenterologist and natural orifice surgeon in Thousand Oaks, California. Upon receiving his medical degree from the AUC School of Medicine, Dr. Simoni went on to complete his residency in Internal Medicine at Seton Hall University where he was asked to also serve as a Chief Resident. He then went on to complete his Gastroenterology/Hepatology fellowship at Seton Hall University and UMDNJ. Dr. Simoni is also the founder and medical director of the surgical center Advanced Digestive Center of Southern California (ADCSC), where he does most of his outpatient endoscopic procedures.

Dr. Amy Tyberg is an Assistant Professor of Internal Medicine, Associate Director of Endoscopy, Director of Therapeutic EUS, and Associate Director of the Pancreas Program at Rutgers Robert Wood Johnson University Hospital. Her primary research focus is in interventional endoscopy and she has contributed to over 50 publications and been a co-investigator on several prospective and multicenter, international studies.

Dr. Eli Penn is joining Navicent Health Medical Center in Macon, GA, affiliated with Mercer University, where he will be performing advanced therapeutic endoscopy and providing state of the art care for patients with gastrointestinal disease. Navicent is a tertiary care center and level one trauma center. His new partners are recognized for quality and dedication both to academic pursuits and to the region's patients. He is an accomplished interventional endoscopist and endosonographer with particular interests in Barrett's Esophagus, TIF, gastroparesis, pancreatic disease, and IBD. He attended medical school and completed an Internal Medicine residency at the Medical University of South Carolina in Charleston. At MUSC exposure to several well-known advanced endoscopists led him to his choice of subspecialty training. His fellowship training was at the University of Florida, Gainesville. His most recent accomplishments include becoming a procedural trainer for TIF, being selected as a contributor to the AGA's endoscopic suturing registry, selection as the speaker for TIF at Medtronic's annual foregut symposium, and the use of endomicroscopy for more accurate assessment of Barrett's Esophagus and pancreatic cystic lesions.

Phuong T. Nguyen, M.D., is the Medical Director of Hoag Advanced Endoscopy Center and an advanced endoscopist in Newport Beach. She is a nationally recognized expert in the field of gastroenterology, and is one of Orange County’s most experienced physicians in the use of minimally invasive GI procedures, including her expertise in the outpatient imaging procedure, endoscopic ultrasound (EUS). Dr. Nguyen also specializes in pelvic floor dysfunction and fecal incontinence. Dr. Nguyen graduated from the David Geffen School of Medicine of UCLA in 1990. She completed a fellowship in gastroenterology at the University of California, Irvine, and residency in internal medicine at Graduate Hospital in Philadelphia. She is board-certified by the American Board of Internal Medicine in gastroenterology and speaks Vietnamese. 

Daryl Pearlstein, M.D., is Director of Thoracic Surgery & Lung Cancer at Hoag Memorial Hospital. He is a board-certified thoracic surgeon specializing in surgery of the chest, including the lungs, mediastinum, diaphragm, chest wall, and esophagus. His areas of interest include all aspects of thoracic oncology (lung cancer, sarcomas, mediastinal malignancies, chest wall tumors, and esophageal cancer), as well as benign diseases, including achalasia, hiatal hernias, myasthenia gravis and hyperhidrosis. He also specializes in complex airway pathology including tracheal stenosis and central airway obstruction and utilizes ION® robotic navigation bronchoscopy and endobronchial ultrasound for diagnostic & therapeutic interventions. Dr. Pearlstein began performing robotic surgery in 2008 and has centered his career around improving the patient experience. Utilizing minimally invasive techniques, including robotics, he provides thoracic surgical patients the fastest recovery possible and enables the most comfortable recuperation.

Dr. Michael Murray, MD is a General Surgery Specialist in Fallon, NV and has over 35 years of experience in the medical field. He is affiliated with medical facilities Banner Churchill Community Hospital and Northern Nevada Medical Center.

Dr. Arslan Kahloon serves as Chief of Gastroenterology for Erlanger Gastroenterology and has practiced in Chattanooga for the past 10 years. He is board-certified and fellowship-trained in gastroenterology. Dr. Kahloon earned his medical degree at Aga Khan University in Karachi, Pakistan, his residency at the University of Pittsburgh Medical Center, and his fellowship in gastroenterology and hepatology from Indiana University School of Medicine. Dr. Heath Giles specializes in general and endocrinology surgery and is certified by the American Board of Surgery. He is an associate professor of surgery, Department of Surgery, and General Surgery Residency Program Director for the University of Tennessee College of Medicine, Chattanooga. He performs surgery at Erlanger Hospital, CHI Memorial Hospital, CHI Memorial Hixson, and Parkridge Hospital. He joined University Surgical Associates in August 2012.

Dr. Jatinder Pruthi has been practicing as a Gastroenterologist and Liver Specialist for over 20 years. He graduated from the prestigious Government Medical College in Patiala in Punjab, India and completed his residency in internal medicine at New York Methodist Hospital in Brooklyn, New York. He then went on to complete a fellowship in gastroenterology at the Los Angeles Medical Center; Kaiser Permanente in Los Angeles. The fellowship included advanced training in therapeutic endoscopy, ERCP, and transplant hepatology. Dr. Pruthi has co-authored over fourteen research papers and is an active investigator for OM Research.

Dexter Turnquest, MD, FACS, is a board-certified general and bariatric surgeon who is the managing director at Turnquest Surgical Solutions in Houston, Texas. His bariatric program has been certified as a Center of Excellence for Bariatric Surgery by the American Society for Metabolic and Bariatric Surgery and has also earned recognition as a Blue Distinction Center for Bariatric Surgery in Texas. Dr. Turnquest also serves as the Bariatric Medical Director at Houston Methodist Willowbrook Hospital. He has held a number of positions at Houston Northwest Medical Center, including Chief of Staff, Chairman of the Surgical Department, and Chairman of the Board of Trustees.

Dr. Skef is a Board-Certified Gastroenterologist practicing at Loma Linda University Medical Center in Loma Linda, CA. He attended medical school at Weill Cornell Medical College, Internal Medicine Residency at St. Elizabeth's Medical Center, Boston MA, Gastroenterology/Hepatology Fellowship at the University of Illinois, Chicago, and EUS Fellowship at the University of Pittsburgh Medical Center. Welcome, Dr. Skef! Dr. Le is Board-Certified in General and Thoracic Surgery practicing at Loma Linda University Medical Center in Loma Linda, CA. He attended medical school at Drexel University College of Medicine, Surgery Residency at Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, and Cardiothoracic and Robotic Thoracic Fellowships also at Hofstra/ Northwell in Hempstead, NY. Welcome, Dr. Le!

Dr. Craig Smith received his medical degree from Michigan State University. He completed his general surgery residency in Savannah, GA, and his fellowship in minimally-invasive, robotic, and bariatric surgery at Indiana University. Dr. Smith is board-certified in general surgery and is a member of the Alpha Omega Alpha Honors Medical Society. He has multiple peer-reviewed publications. He is a member of the American College of Surgeons (ACS), and achieved a Fellowship certificate from both the American Society for Metabolic and Bariatric Surgery (ASMBS) and the Society of American Gastrointestinal and Endoscopic Surgeons (SAGES). Dr. Smith has special interest in bariatric, anti-reflux, foregut, and hernia surgery. He uses the most advanced minimally-invasive techniques, including the DaVinci robot, to help provide the most optimal patient outcome with the quickest possible recovery.