▁of ▁The ▁F let cher ▁School ▁as ▁the ▁Ad j unct ▁Ass istant ▁Professor ▁of ▁International ▁Polit ics ▁in ▁ 1 9 9 8 ▁and ▁until ▁ 2 0 0 5 . ▁Con current ly ▁he ▁was ▁also ▁the ▁Vis iting ▁Ass istant ▁Professor ▁of ▁History ▁at ▁Tu ft s ▁university ▁starting ▁in ▁ 2 0 0 0 ▁and ▁until ▁ 2 0 0 5 . ▁Between ▁ 2 0 0 5 ▁and ▁ 2 0 0 6 ▁he ▁was ▁the ▁Kim ▁K oo ▁Research ▁Associ ate ▁at ▁the ▁Korea ▁Institute , ▁Harvard ▁University . ▁In ▁ 2 0 0 7 ▁he ▁res umed ▁his ▁position ▁at ▁the ▁F let cher ▁School , ▁and ▁in ▁ 2 0 1 2 ▁became ▁the ▁first ▁holder ▁of ▁the ▁newly ▁created ▁chair ▁Kim ▁K oo - K ore a ▁Foundation ▁Ass istant ▁Professor ▁of ▁Korean ▁Studies . ▁ ▁He ▁teach es ▁International ▁Rel ations ▁of ▁the ▁United ▁States ▁and ▁East ▁Asia ▁ 1 9 4 5 ▁to ▁Pres ent , ▁United ▁States ▁and ▁East ▁Asia , ▁Polit ics ▁of ▁the ▁Korean ▁Pen ins ula : ▁Foreign ▁and ▁Inter - K ore an ▁Rel ations , ▁and ▁North ▁Korean ▁State ▁and ▁Society . ▁ ▁Lee ▁has ▁also ▁been ▁an ▁adj unct ▁Ass istant ▁Professor ▁of ▁Asian ▁Studies ▁at ▁Bow do in ▁College ▁in ▁ 2 0 0 0 , ▁and ▁the ▁visit ing ▁Professor ▁of ▁Korean ▁Studies ▁at ▁S og ang ▁University ▁in ▁ 2 0 0 7 , ▁and ▁at ▁Se oul ▁National ▁University ▁from ▁