Advisory Board
Tom R. DeMeester, MD, is renowned for his work in foregut and pulmonary disease. He is the originator and developer of the field of noninvasive foregut ambulatory monitoring, and has made several key contributions to the understanding of the physiology and pathophysiology of diseases of the esophagus and their surgical correction. He has over 430 publications in peer reviewed journals, 161 book chapters, 9 books and several videos and motion pictures to his credit. Dr. DeMeester is a Professor of Thoracic Surgery Chairman in the Department of Surgery, Keck School of Medicine, University of Southern California.
George Triadafilopoulos, MD, is a board Certified Gastroenterologist and Internist who is Clinical Professor of Medicine, at the Division of Gastroenterology and Hepatology, Stanford University School of Medicine. Dr. Triadafilopoulos’s research activity ranges from gastroesophageal reflux disease and Barrett’s esophagus, to NSAID-induced gastropathy, colon polyps, C.difficile colitis, and irritable bowel syndrome.
Linda Brodsky, MD, has been a practicing pediatric ear, nose and throat specialist for more than two decades at the Women’s and Children’s Hospital of Buffalo. She has treated over 25,000 children and their families and performed more than 10,000 surgeries during her career. In addition to treating all aspects of pediatric ear, nose and throat, head and neck problems, she is known for innovation in many areas including: swallowing and feeding problems, children with special needs, the effects of reflux disease on the ears, nose and throat, laser treatment of ear infections (OtoLAM), and vascular birthmarks.
Gregory Wiener, MD, is a Board Certified Gastroenterologist and has been in private practice since 1987 in Chula Vista, California. His practice consists of classic, private, full-service Gastroenterology and Digestive diseases, using the latest diagnostic and therapeutic methods. Diagnostic Procedures include endoscopy, colonoscopy, cancer screening, and small bowel video capsule. Therapeutic modalities include biopsy, polyp removal, ablation of esophageal varices, Barrx ablation of Barrett’s esophagus, stricture dilation, stent placement and multiple other options.
Lee M. Akst, MD is an Assistant Professor and Director of the Johns Hopkins Voice Center in the Johns Hopkins Department of Otolaryngology-Head and Neck Surgery. Dr. Akst completed medical school at Yale University, otolaryngology residency at the Cleveland Clinic Foundation, and laryngology fellowship at the Massachusetts General Hospital Center for Laryngeal Surgery and Voice Rehabilitation. Prior to joining Johns Hopkins, Dr. Akst had been the Director of the Voice Center at Loyola University Chicago Stritch School of Medicine. His clinical interests are in care of patients with voice and swallowing disorders, with a focus on office-based procedures and microlaryngeal surgery.
Greg Postma, MD's clinical interests include voice disorders, professional and singing voice care, dysphagia and associated swallowing disorders, airway surgery and reconstruction, spasmodic dysphonia, extraesophageal and gastroesophageal reflux, and chronic cough. He is a pioneer in the area of in-office surgery, including transnasal esophagoscopy and non-sedated laryngeal and airway laser surgery, and has authored or co-authored more than 70 peer-reviewed publications, 50 chapters, and invited articles.
Craig Zalvan, MD, is the Medical Director of the Institute for Voice and Swallowing Disorders at Phelps Memorial Hospital Center in Sleepy Hollow, New York. A board certified otolaryngologist, Dr. Zalvan received his medical degree from Albert Einstein College of Medicine and trained at Manhattan Eye, Ear and Throat Hospital, Columbia Presbyterian, New York Hospital, Memorial Sloan Kettering Cancer Center, and St. Lukes/Roosevelt where he participated in a laryngology/voice and swallow fellowship.
David Malis, MD, is Board Certified in otolaryngology and is a Fellow of both the American College of Surgeons (ACS) and the American Academy of Pediatrics (AAP); additionally, he is an active member of the American Society of Pediatric Otolaryngology (ASPO), the Society of Ear, Nose, Throat Advances in Children (SENTAC), and the American Academy of Otolaryngology–Head & Neck Surgery (AAOHNS). Dr. Malis is Brevard and Indian River County’s only Fellowship-trained Pediatric Otolaryngologist.

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