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			-  - 1979³â ~ 1982³â  Korea Energy Research Institute ¿¬±¸¿ø
-  - 1984³â ~ 1987³â  Lawrence Berkeley Laboratory ¿¬±¸¿ø
-  - 1987³â ~ 1992³â  Æ÷Ç×°ø°ú´ëÇб³ Á¶±³¼ö
-  - 1990³â ~   UC Berkeley ¹æ¹®±³¼ö
-  - 1993³â ~ 1999³â  Æ÷Ç×°ø°ú´ëÇб³ ºÎ±³¼ö
-  - 2000³â ~ 2005³â  Æ÷Ç×°ø°ú´ëÇб³ »ê¾÷°øÇаú ±³¼ö
-  -  ~ 2005³â04¿ù  Æ÷Ç×°ø°ú´ëÇб³ »ê¾÷°øÇаú ÁÖÀÓ±³¼ö
-  -  Probability and Statistics Analysis (PASTA) Lab. Director
-  -  ÇÁ·Î¸ðÀÓÄÁ¼³ÆÃ »óÀÓ°í¹®
-  -   Participating Professor, BK21 Project in Division of Mechanical & Industrial Engineering at POSTECH
-  -  SRC for Complex Systems at Seoul National University
-  -  Çѱ¹½Å·Ú¼ºÇÐȸ ÀÌ»ç
-  -  ´ëÇѼ³ºñ°ü¸®ÇÐȸ ÀÌ»ç
-  -  ½Å·Ú¼ºÆò°¡¼¾ÅÍ ½Å·Ú¼º°ü¸®ÆÀ ÆÀÀå
-  - 2005³â04¿ù ~   (2005.4¿ù Æ÷Ç×°ø°ú´ëÇб³°¡ Æ÷½ºÅØÀ¸·Î °³Äª)
-  -  ~ Çö  Æ÷½ºÅØ »ê¾÷°æ¿µ°øÇаú ±³¼ö
-  - 2017³â ~   ¼ö¼®¹ýÀǰü
-  - 2017³â ~    ¾Æ½Ã¾Æ¡¤ÅÂÆò¾ç »ê¾÷°øÇÐ °æ¿µ½Ã½ºÅÛÇÐȸ(APIEMS) ȸÀå(ÀÓ±â 2³â, 2014.10¿ù Â÷±â ȸÀå ¼±Ãâ
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