Th.D (Church History) – Potchefstroom University, Potchefstroom, South Africa
Th.M – Princeton Theological Seminary, Princeton, New Jersy, U.S.A
M.Div – Reformed Theological Seminary, Jackon, Mississippi, U.S.A
B.R.E – Reformed Bible College, Grand, Rapids, Michigan, U.S.A
BA – Koshin University, Pusan, Korea
Pastor at the Calvary Presbyterian Church, Chicago, U. S. A (2002- 2005)
Professor at Chongshin University and Theological Seminary, Korea (1988-2012)
President at Chongshin Theological seminary, Korea (2006-2008)
President at the Reformed Society of Korea, Korea (2009-2010)
President at Graduate School of International Development