Dr. Krigsman is a pediatrician and board certified pediatric gastroenterologist with internationally recognized expertise in the evaluation and treatment of autism associated gastrointestinal problems. His interest in this unique patient population began in 2001 and during the ensuing 19 years he has treated over 2000 children from across the globe suffering from autism and a variety of comorbid gastrointestinal problems. His research interest lies in the characterization of the unique cellular, molecular, and clinical features of ASD-associated inflammatory bowel disease and his original findings appear in numerous peer-reviewed journals. In addition to serving as an invited reviewer for peer-reviewed medical journal author submissions in his area of expertise, Dr. Krigsman has served as a guest lecturer on the topic of gastrointestinal disease and autism at national and international scientific meetings, hospital Grand Rounds both here and abroad, Nurse Association meetings, philanthropic organizations, and at numerous lay medical conferences. He has also presented his findings before the U.S. Congress. His greatest satisfaction though derives from the clinical care he provides his patients and in the improved quality of life that results from diagnosing and treating gastrointestinal disease in this vulnerable population. He maintains offices in both New York City and Austin, Texas.