Richard McCallumRichard W. McCallum is recognized internationally as a premier thought leader in the field of neurogastroenterology and gastrointestinal motility. He is professor and founding chair of the Department of Internal Medicine at Texas Tech University Healh Sciences Center and chief of its Division of Gastroenterology, Hepatology and Nutrition. He is also director of the Center for Neurogastroenterology and GI Motility.

McCallum pioneered the use of gastric electrical stimulation to treat gastroparesis, instigating a new direction of treatment for patients with nausea and vomiting. He is also a central figure in clinical research trials studying all the major prokinetics—drugs that enhance gastrointestinal motility—as well as antiemetics— agents working in the brain to block nausea. His scientific publications in peer-reviewed journals exceed 450, and he has edited more than a dozen scientific textbooks. He holds five patents.

McCallum has held several important leadership roles at the American College of Gastroenterology, the American Gastroenterological Association, the American Neurogastroenterology and Motility Society, and the Southern Society for Clinical Investigation. He has held editorial responsibilities with several major journals. He has been honored by Texas Tech University, the American Gastroenterological Association, the American Diabetes Association, the Texas Medical Association, and the Southern Society for Clinical Research. His research on the pathophysiology and treatments for gastroparesis has been funded by the National Institutes of Health (NIH), and he recently received another five-year renewal of this grant for $2 million. Read More Read Less