Randi J. Hagerman, M.D. is the medical director of MIND Institute at the University of California, Davis. She is internationally recognized researcher in the field of gentics of autism spectrum disorder with special focus on genomic instability. She has published many papers on the topic of repeat expansion and genetics of neurodevelopmental disorders (e.g. Fragile-X). She has discovered the Fragile X-associated tremor/ataxia syndrome (FXTAS), a neurological disorder that affects older male and rare female carriers of fragile X.