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Medical Advisory Board

Ritter Pharmaceuticals is supported by a team of advanced scientists, medical experts and researchers in the fields of gastroenterology, biotechnology, pharmacology, clinical laboratory medicine and nutritional sciences.

Dennis Savaiano, Ph.D.
Professor of Foods & Nutrition and Former Dean
at Purdue University

Dr. Savaiano has researched lactose intolerance for the past 20 years, where he has attempted to identify the dietary factors that can improve lactose tolerance. Formerly, he served as the associate dean and assistant director of the Agricultural Experiment Station Human Ecology at the University of Minnesota. Dr. Savaiano is a native Californian with degrees from Claremont McKenna College (BA in Biology) and the University of California at Davis (MS and PhD in Nutrition). He was a Professor in the Department of Food Science and Nutrition at the University of Minnesota from 1980 through 1995, and moved to Purdue University in 1995.

Allan W. Walker, M.D.
Director of the Division of Nutrition at Harvard Medical School

Dr. Walker has a longstanding interest and commitment to nutrition research, particularly on the role of nutritional factors in maintaining the integrity of the intestinal mucosal barrier to host defense during the perinatal period. He was the first recipient of the Conrad Taff Professorship in Nutrition at Harvard Medical School in 1990. The research efforts of his laboratory have contributed substantially to a better understanding of the role of breast milk and its inherent growth factors on the development of the gastrointestinal tract and the role of short and long term malnutrition on the integrity of the mucosal barrier to host defense against bacterial colonization and against the uptake of macromolecules (antigens and toxins) which may result in neonatal and childhood intestinal disease states (necrotizing enterocolitis and gastrointestinal allergy). Dr. Walker served for six years on the Committee of Nutrition of the American Academy of Pediatrics (1977-1983) and received the Nutrition Research Award (Borden Award) of the American Academy of Pediatrics in 1984 and the Hugh Butt Award for Excellence in Clinical Nutrition Research from the American Gastroenterologic Association in 1998. He has also served on Nutrition study sections at the NICHD and NIDDK institutes and the Advisory Council of NIDDK at NIH and recently served as a member of the task force to establish a five-year nutrition research plan at NICHD. Dr. Walker is the author of 12 textbooks and over 500 research and review articles.

Todd Klaenhammer, Ph.D.
Director of the Southeast Dairy Foods Research Center and Distinguished Professor - Food Microbiology, Genetics, Genomics at North Carolina State University

Todd R. Klaenhammer obtained degrees in Microbiology (B.S), and Food Science (M.S. & Ph.D) from the University of Minnesota. In 1978, he joined the North Carolina State University and currently holds faculty appointments in the Departments of Food, Bioprocessing and Nutrition Sciences; and in the Departments of Microbiology and Genetics. His group has published over 270 articles on dairy lactic acid bacteria, their bacteriophages, and probiotic cultures and their genomic traits. Todd is Fellow in the American Association for the Advancement of Science, the American Academy of Microbiology, the Institute of Food Technologists, and the American Dairy Science Association. In 2001, he was elected into the National Academy of Sciences. In 2009, the Board of Governors of the 17 Campus University of North Carolina System, awarded his group the prestigious O. Max Gardner award for excellence in research across the entire system. In 2010, the International Dairy Federation awarded his group the 2010 Eli Metchnikoff Award in Biotechnology and in 2015, the Japan Bifidus Foundation awarded Todd the Tissier Medal for work on probiotic lactic acid bacteria.

Byron L. Cryer, M.D.
Professor of Internal Medicine - Digestive and Liver Diseases and an Associate Dean at Southwestern Medical School, University of Texas Southwestern

Byron L. Cryer, MD, obtained his BA degree from Harvard College, Cambridge, MA, in 1982, and his medical degree from Baylor College of Medicine, Houston, TX, in 1986, where he also completed his internal medicine residency training from 1986 to 1989. Dr. Cryer obtained his gastroenterology fellowship training at The University of Texas Southwestern Medical Center at Dallas (1989-92), where he has remained as a member of the gastroenterology faculty.

Dr. Cryer's clinical interests are in general gastroenterology. His specific areas of interest are acid-peptic diseases of the upper gastrointestinal tract. Specific disease states of interest are Helicobacter pylori-induced ulcer disease and nonsteroidal anti-inflammatory drug-induced ulcers.

Dr. Cryer’s primary research interest has been in the pathogenesis of peptic ulcer disease. His research focus has been clinically oriented in that he has exclusively studied the pathophysiology of these processes in humans. Recent investigations have explored the mechanism of gastrointestinal toxicity of nonsteroidal anti-inflammatory drugs (NSAIDs) within the stomach and duodenum. The most recent aspect of NSAID investigation has been an evaluation of the cyclooxygenase (COX)-2 specific NSAIDs.

Within the AGA, Dr. Cryer has held many leadership positions. He is the past chair of the AGA Underrepresented Minorities Committee and a prior member of the AGA International Committee, AGA Institute Research Policy Committee, and AGA Institute Education and Training Committee. He has also led several AGA-sponsored public awareness campaigns to reduce the GI risks of NSAIDs and other commonly taken pain medications. Dr. Cryer currently holds the position of councillor-at-large on the AGA Institute Governing board.

Warren Grundfest, M.D., FACS
Professor, Department of Bioengineering, Electrical Engineering
and Surgery at University of Callifornia at Los Angeles

Dr. Grundfest currently serves as a professor in the department of bioengineering, electrical engineering and surgery at UCLA. In 2008, he was selected as one of 100 notable people in the medical device industry by MDDI magazine published by Cannon Communications. He has also served as a consultant to the FDA Office of Device Evaluation and Office of Science and Engineering. In 1995, Dr. Grundfest was appointed as a research professor of biomedical engineering at the University of Southern California and as a visiting associate in mechanical engineering at California Institute of Technology (Caltech). Dr. Grundfest served as director of the Cedars-Sinai Laser Research and Technology Development Program from 1989 to 2001, holding the Dorothy and E. Philip Lyon Chair in Laser Research. Dr. Grundfest was appointed assistant director of surgery and assistant clinical professor of surgery at UCLA in 1987. Dr. Grundfest received his MD degree from Columbia University, College of Physicians and Surgeons and trained in General Surgery at UCLA and Cedars-Sinai Medical Center.

Harry Greene, M.D.
Professor Emeritus of Pediatrics & Biochemistry/Nutrition
at Vanderbilt University

While at Vanderbilt, Dr. Greene served as chief, Division of Pediatric Gastroenterology/Nutrition and director of the NIH sponsored Clinical Nutrition Research Unit. He is currently Visiting Professor of Medicine (Endocrinology) at the University of Kentucky and has served on multiple advisory boards for the NIH. He is a past President of the American Society of Clinical Nutrition and the North American Society of Pediatric Gastroenterology, Nutrition and Liver Disease. He has authored over 200 publications in medical journals and continues to consult on issues of obesity management and nutrition. In 1993, Dr. Greene moved to the private sector first as senior director of Nutritional Sciences for Bristol Myers Squibb/Mead Johnson and later as vice president and medical director for Unilever/Slim-Fast Foods Company, West Palm Beach, FL. He retired from Unilever in 2003.

Roger Clemens, Ph.D.
Adjunct Professor in Pharmacology & Pharmaceutical Sciences
at University of Southern California's School of Pharmacology

One of the world’s leading experts in human nutrition, Dr. Clemens joined the USC School of Pharmacy after serving as the Scientific Advisor for Nestlé USA for more than 20 years. Dr. Clemens spent much of his career in industry working as scientific advisor for Carnation/Nestlé USA from 1978-1999. He has published more than 30 original manuscripts and participated in more than 70 invited lectures on the topics of food science and nutrition. Dr. Clemens has served as an expert panel member for the FDA, International Food Information Council, California Dairy Council, and the Life Sciences Research Organization. Dr. Clemens is an active leader and professional member of the Institute of Food Technologists. He is also a member of the American Institute of Nutrition and a Fellow of the American College of Nutrition. Dr. Clemens holds both doctorate and master’s degrees of Public Health in Nutrition from UCLA.

John L. Sherman, M.D.
Internal Medicine and Pulmonary Diseases
at Cedars Sinai Medical Center

Dr. Sherman has been a staff physician at Cedars Sinai Medical Center since 1991 and currently serves as a member of the Medical Education Committee. He was a member of the Risk Management Committee from 1994-2004. Dr. Sherman has been a faculty instructor at UCLA in both Pathophysiology of Respiratory Disease and Fundamentals of Clinical Medicine. He is currently an associate clinical professor of medicine at UCLA. Dr. Sherman was Resident of the Year for UCLA Department of Medicine in 1976. He was a Fellow at the American College of Chest Physicians in 1981 and in 1986 was a Fellow at the American College of Physicians.

William J. Sanborn, M.D.
Chief, Division of Gastroenterology and Director at University of California San Diego

Dr. Sandborn serves as the Chief, Division of Gastroenterology and Director at University of California San Diego Inflammatory Bowel Disease Center and Professor of Clinical Medicine. Dr. Sandborn directs a large clinical research unit devoted to the conduct of clinical trials in inflammatory bowel disease, where he supervises a multi-investigator team of physicians, research fellows, nurses, and study coordinators. With his physician collaborators, he evaluates and develops new diagnostic modalities and medical therapies for inflammatory bowel disease. He is internationally recognized for his contributions in the fields of biotechnology therapy, clinical pharmacology, conduct of clinical trials, diagnostic and treatment of pouchitis, epidemiology and natural history, and endoscopic and radiographic imaging techniques. He has published more than 408 articles including articles in the New England Journal of Medicine, the Lancet, JAMA, the Annals of Internal Medicine, and Gastroenterology. His research includes clinical development and clinical pharmacology related to inflammatory bowel disease. From April 1993 to December 2010, Dr. Sandborn was head of the Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN and from January 2011 to present, the Division of Gastroenterology, University of California San Diego, La Jolla. Dr. Sandborn is extremely well regarded and well known within the investment community and is considered one of the key leading gastroenterologists in the United States for pharmaceutical research and clinical trial work.

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