2000                  Texas A&M University

Ph.D. Supervisor : Dr. Jorge A. Piedrahita

Department of Animal Science

Thesis title : Effects of protease inhibitors and antioxidants on in vitro survival of porcine primordial germ cells.

1991                  Seoul National University

Master of Science Supervisor : Dr. Kyung-Soon Im

Dept. of Animal Science, Physiology of Reproduction

Thesis title : Studies on sex control of mouse and rabbit embryos using H-Y antibody.

1989                  Seoul National University

Bachelor of Science

Department of Animal Science