Background
Yu, Jeong Jin was born on July 25, 1972 in Seoul, Republic of Korea. Son of Youngduck Yu and Sukhee Song.
Yu, Jeong Jin was born on July 25, 1972 in Seoul, Republic of Korea. Son of Youngduck Yu and Sukhee Song.
Master of Science, University Missouri, Columbia, 2004. Doctor of Philosophy, University Arizona, Tucson, 2007.
Assistant professor Pennsylvania State University, York, since 2008. First lieutenant Infantry, 1996-1999, Republic of Korea.