Ihn Sook Jeong has undergraduate degree in Nursing and master and PhD degree in public health. Ihn Sook worked as a staff nurse, a CRC at the clinical trial center and is currently the assistant professor of nursing school, Pusan National University. Ihn Sook Jeong has developed and run the national CRC educational programs with funded by KFDA and other national organizations, serves as a vice president of Korean Association of Clinical Research Coordinators (KACRCs).