Brian E. Lacy, Ph.D., M.D., is currently Professor of Medicine at the Geisel School of Medicine at Dartmouth, Section Chief of the Division of Gastroenterology & Hepatology and Director of the GI Motility Laboratory at the Dartmouth-Hitchcock Medical Center in Lebanon, New Hampshire. Dr. Lacy's clinical and basic science research interests focus on disorders of gastrointestinal motility, with an emphasis on irritable bowel syndrome, dyspepsia, gastroparesis, acid reflux disease, constipation, intestinal pseudo-obstruction, achalasia and visceral pain. He is the author or co-author of over 80 peer-reviewed articles and the author or co-author of numerous textbook chapters on gastrointestinal motility disorders and functional bowel disorders. Dr. Lacy is a reviewer for a number of scientific journals, and is a member of the American College of Gastroenterology, the American Gastroenterology Association, the American Motility Society, and the Rome Committee. Dr. Lacy is the co-author of a book for the general public on acid reflux disease, Healing Heartburn, is the author of Making Sense of IBS, a book for the general public on irritable bowel syndrome, and is the editor and author of Curbside Consultations in IBS: 49 Clinical Questions. Dr. Lacy received his doctorate in cell biology from Georgetown University in Washington, DC, and his medical degree from the University of Maryland in Baltimore. Dr. Lacy was a resident in Internal Medicine at the Dartmouth-Hitchcock Medical Center in Lebanon, NH, where he continued his training as Chief Resident and as a Fellow in Gastroenterology. He is board certified in Gastroenterology.