Dan Rossignol, MD, FAAFP received his Doctorate of Medicine at the Medical College of Virginia and completed his residency in family medicine at the University of Virginia (UVa). He is a former clinical assistant professor of family medicine at UVa and is currently a staff physician at the International Child Development Resource Center. He is the father of two children with autism, ages six and four. He has authored several papers including 2 on the use of HBOT in autism, one on the use of urinary porphyrins in autism, and another on mitochondrial dysfunction in autism. He is a medical advisor to the International Hyperbarics Association and USAAA, and is currently involved in research to find treatments for inflammation, oxidative stress, gastrointestinal problems, and heavy metal toxicity in autism.