The information on this website has been reviewed by the Microbiome Consortium, a panel of experts with special interest in the gut microbiome.

Our mission is to facilitate better understanding of the gut microbiome among healthcare professionals and enable immediate and lasting change for patients with GI disease.

Meet the Members:

Christopher Chang, MD, Professor of Gastroenterology and Hepatology University of New Mexico School of Medicine

Christopher Chang, MD, PhD

Dr. Chang is a faculty member of the Division of Gastroenterology and Hepatology at the University of New Mexico School of Medicine and the New Mexico Veterans Affairs Health Care System. As a physician-scientist, his long-term research and clinical interests center on gut microbes and their role in GI health and disease. Dr. Chang’s clinic provides diagnostic and treatment options for patients who suffer from sequelae of GI infection, such as IBS and small intestinal bacterial overgrowth, as well as other gut motility disorders.

Amy Kassebaum, PA-C, RD, MMS, Gastroenterology Physician Assistant Northwestern Memorial Hospital

Amy Kassebaum, PA-C, RD, MMS

Ms. Kassebaum is a gastroenterology physician assistant at Northwestern Memorial Hospital in Chicago, IL, and specializes in gut motility and functional bowel disorders. She is actively involved as an adjunct teacher and preceptor for the Physician Assistant Program at Northwestern University Feinberg School of Medicine. Ms. Kassebaum also serves on the Gastroenterology & Hepatology Advanced Practice Providers executive committee and plans regional and national GI educational opportunities for advanced practice providers.

Louis Kuritzky, MD, Professor Emeritus Department of Community Health and Family Medicine University of Florida

Louis Kuritzky, MD

Dr. Kuritzky is a family physician affiliated with the University of Florida as a clinical assistant professor emeritus in the Department of Community Health and Family Medicine. He has been an educator for more than 35 years and continues to serve as faculty in the North Florida Regional Medical Center’s Family Medicine Residency program in Gainesville, FL. In addition to multiple textbook chapters, Dr. Kuritzky has authored more than 150 articles on diverse topics in journals including the New England Journal of Medicine and the Journal of the American Medical Association. He has been involved in educational endeavors relevant to IBS for more than a decade.

Brian Lacy, MD, PhD, Senior Associate Consultant, Section of Gastroenterology, Mayo Clinic, Jacksonville

Brian Lacy, MD, PhD, FACG

Dr. Lacy is currently a senior associate consultant at Mayo Clinic Jacksonville. He previously worked at the Dartmouth-Hitchcock Medical Center where he was section chief of Gastroenterology and Hepatology and a professor of medicine at the Geisel School of Medicine at Dartmouth. He is certified in gastroenterology and hepatology. Dr. Lacy’s clinical and basic science research interests focus on disorders of GI motility, with an emphasis on IBS, achalasia, dyspepsia, gastroparesis, acid reflux disease, constipation, intestinal pseudo-obstruction, and visceral pain.

Ali Rezaie, MD, MSc, FRCPC, Medical Director of GI Motility Program, Cedars-Sinai Medical Center

Ali Rezaie, MD, MSc, FRCPC

Dr. Rezaie is the medical director of the Gastrointestinal Motility Program at Cedars-Sinai, Los Angeles. He is an assistant professor at Cedars-Sinai and UCLA as well as an adjunct assistant professor at the University of Calgary, Canada. He has postdoctoral training in GI motility disorders and IBD. His research focuses on IBS, SIBO, the gut microbiome, and GI motility disorders of IBD patients.

GI = gastrointestinal
IBS = irritable bowel syndrome
SIBO = small intestinal bacterial overgrowth
IBD = inflammatory bowel disease

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