Biographical sketch(2) : Professional career

INSTITUTION AND LOCATION	ROLE	YEAR(s)	FIELD
1) Dong-A University Hospital, Busan, Korea	Internship	1992-1993	Medical & Surgical Field
2) Dong-A University Hospital, Busan, Korea	Resident	1993-1997	Dept. of Ob & Gyn
3) Ko-Hung Public Health Center, Chunnam, Korea	Chief Doctor (Manadatory military service)	1997-1998	Public Health Care
4) Chonnam Province Hospital, Soonchun, Chonnam, Korea	Director (Manadatory military service)	1998-1999	Dept. of Ob & Gyn
5) Hyundai Hospital, Soonchun, Chonnam, Korea	Director (Manadatory military service)	1999-2000	Dept. of Ob & Gyn
6) Dong-A University Hospital, Busan, Korea	Clinical Fellowship	2000-2001	Dept. of Ob & Gyn Div. of Reprod. Endocrinology & Infertility
7) Dong-A University, College of Medicine, Busan, Korea	Instructor	2001-2003	Dept. of Ob & Gyn Div. of Reprod. Endocrinology & Infertity
8) Dong-A University, College of Medicine, Busan, Korea	Assistant Professor	2003-2006	Dept. of Ob & Gyn Div. of Reprod. Endocrinology & Infertility
9) Dong-A University, College of Medicine, Busan, Korea	Associate Professor	2007-2012. Sep.	Dept. of Ob & Gyn Div. of Reprod. Endocrinology & Infertility
10) Mcmaster University, Hamilton, Ontario, Canada	Visiting scientist	2006, Sep. – 2008, Jan	Dept. of Ob & Gyn Div. of Reprod. Biology
11) Dong-A University, College of Medicine, Busan, Korea	Professor (Tenure), Chairman of obstetrics and gynecology	2012, Sep - present	Dept. of Ob & Gyn Div. of Reprod. Biology