Dr. Tom O'Bryan is an internationally recognized speaker and workshop leader specializing in non-celiac gluten sensitivity (NCGS) and celiac disease (CD), and the development of autoimmunity.At theDr.com Dr.O'Bryan offers the Certified Gluten Practitioner (CGP) program to healthcare practitioners internationally. The CGP program is a rigorous training process that provides practitioners with an in-depth understanding of the identification and treatment of non-celiac gluten sensitivity and celiac disease