1988-1993

1996- 1998
1999-2002
2003- 2005

2005- 2010


1999.9.15-10.15

2000.8.1-2001.11.30


2005.2.28-2005.3.31

2006.3.29-2006 4.28

Intern and Residency (Orthopaedics),
Seoul National University Hospital, Seoul, Korea
Instructor
Assistant Professor
Associate Professor
Dept. of Orthopaedics, Hallym University Hospital, Anyang Korea
Associate Professor, Professor, Chief of Department
Dept. of Orthopaedics, Dongguk University Ilsan Hospital, Goyang, Korea
Visiting Scholar, BGU trauma center, Tuebingen University,
Germany
Research Fellow, Dept of Orthopaedics, Massachusetts General
Hospital, Harvard University, Boston, USA
( Supervisor: Dr. Harry Rubash)
Visiting Scholar, ITI Research Center for Skeletal and Dental Research,
Bern University, Switzerland (Host: Prof. E Hunziker)
Visiting Scholar, Dept of Orthopaedics, Kyushu University, Fukuoka, Japan
(Host: Prof. Yukihide Iwamoto)