Jun has worked as a psychiatrist in Japan where he also obtained a Ph.D. majoring in Medicine from Yokohama City University, Japan. He has studied structural neuroimaging changes in patients with diverse psychiatric disorders, including schizophrenia, panic disorder, anorexia nervosa and dementia. After coming to the US, Jun joined the PNL in November 2014. His interest in neuroimaging encompasses structural and diffusion analyses that can investigate regional abnormal changes and degeneration in the white matter tracts in schizophrenia. He is currently working on the analysis of structural and diffusion imaging in patients with early and chronic schizophrenia, and in prodromal subjects.