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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.


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.


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.


Dr. Cryer is active in the gastroenterology professional associations and was an associate chairman of the Esophagus, Stomach, and Duodenum section of the American Gastroenterological Association. His clinical interests are in general gastroenterology. Dr. Cryer’s specific areas of interest are acid-peptic diseases of the upper gastrointestinal tract. His 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.

Dr. Cryer has distinguished himself as an internationally recognized clinical investigator and thought leader in the field of the gastrointestinal adverse effects of medications. Most of this focus has been to study the gastrointestinal consequences of aspirin and the non-steroidal anti-inflammatory drugs (NSAIDS). Among the contributions which Dr. Cryer has made to the area of medication-induced gastrointestinal disease, his most recent contributions have been in the evaluation of COX-2 specific inhibitors as a strategy to improve the gastrointestinal safety of NSAIDS. Additionally, he has regulatory experience having served a five year term as a member of the FDA Advisory Committee for Gastrointestinal Drugs and as a Special Government Consultant to the Center for Drug Evaluation Research in Gastrointestinal Drugs. Dr. Cryer holds an M.D. degree from the Baylor college of Medicine and a bachelor’s degree from Harvard University. Dr. Cryer completed his gastroenterology fellowship training at the University of Texas Southwestern Medical Center.


For 30 years Dr. Klaenhammer has directed research programs on the genetics of lactic acid bacteria used as probiotics or as starter cultures for food bioprocessing and biotechnology applications. He is a fellow in the American Academy of Microbiology, the Institute of Food Technologists, the American Dairy Science Association and the American Association for the Advancement of Science. In 2001, he was elected into the National Academy of Sciences.


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.



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.

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.

Dr. Landon has pioneered device development in the area of pediatric pulmonary medicine. He established a CCS certified Level II Intensive Care Nursery and Perinatal Unit at Sequoia District Hospital and a comprehensive program of inpatient and outpatient medical homes for children in Ventura County. Additionally, he established a program of nutritional research in cystic fibrosis at Children’s Hospital at Stanford, including a microsample lab for fat-soluble vitamins and gas chromatography lab for essential fatty acids. Dr. Landon has served on a variety of medical and scientific advisory boards including the Pediatric Advisory Committee, the American Medical Association, the American Federation of Clinical Research and the California Medical Association. He received his medical degree from the University of Southern California and completed his fellowship at Stanford University.


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.

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