Jonathan Cohen, MD, is a parent and medical practitioner in private practice in Melbourne, Australia. He holds a master’s in family medicine and is an adjunct senior research fellow with the Centre for Developmental Disability Health (Victoria), Monash University Department of General Practice. He is the medical director of the Fragile X Alliance Clinic in Australia. He is involved with numerous research projects, author of multiple articles for medical, allied health journals, and the lay press, and presents regularly throughout Australasia on Fragile X syndrome.