Jinsong Ouyang received his Ph.D. in experimental nuclear physics from University of Colorado, Boulder, in 1992. After his Ph.D., he worked as a postdoc in Boston University and TRIUMF laboratory. In 2000, he joined Digital Scintigraphics Inc. as a senior physicist. From 2003 to 2008, he was a research staff in Brigham and Women’s Hospital. Since 2008, he has been a research staff in Massachusetts General Hospital. He is now an associate professor of radiology with Harvard Medical School.