Dr. Tom O’Bryan is an internationally recognised, admired and compassionate speaker focusing on food sensitivities, environmental toxins, and the development of autoimmune diseases. Dr. O’Bryan is considered a ‘Sherlock Holmes’ for chronic disease and teaches that recognising and addressing the underlying mechanisms that activate an immune response is the map to the highway towards better health. He holds teaching Faculty positions with the Institute for Functional Medicine and the National University of Health Sciences. He has trained and certified tens of thousands of practitioners around the world in advanced understanding of the impact of wheat sensitivity and the development of individual autoimmune diseases. His current interest in Vitamin D has led him to further research this indispensable nutrient.