Dr. Choi received B.S. and M.A. in Biology from the Dongguk University in South Korea and Ph.D. in Neuroscience and Psychiatry from the University of Alberta in Edmonton, Canada. He completed a postdoctoral work at the Dept of Psychiatry of the University of Texas Southwestern Medical Center at Dallas, TX, and worked as a Scientist in the Stanley Laboratory of Brain Research, Rockville, MD.