Educations
1984. 3 – 1988. 2 B.Sc. in Biology, Chungnam National University.

1988. 3 – 1990. 2 M.Sc. in Biology, Chungnam National University.Prof. Sung Min Boo, advisor.
Thesis title: A taxonomy and monthly variation of taxonomic characters of
Gracilaria verrucosa (Hudson) Papenfuss from Daecheon, Korea.

1990. 3 – 1995. 8 Ph.D. in Biology, Seoul National University. Prof. In Kyu Lee, advisor
Thesis title: A taxonomic revision of Polysiphonia (Rhodomelaceae, Rhodophyta)in Korea.