2011.09 ~ ÇöÀç |
- µ¿¾Æ´ëÇб³ °æ¿µÇаú ±³¼ö |
2004.04 ~ 2011.08 |
- »ï¼ºÀüÀÚ Ã¥ÀÓ¿¬±¸¿ø |
2000.07 ~ 2004.02 |
- Research Assistant, Texas Transportation Institute |
1996.02 ~ 1996.07 |
- ÇѾ翩ÀÚ´ëÇÐ °»ç |
1995.01 ~ 1995.05 |
- ´ë¿ì °íµî±â¼ú¿¬±¸¿ø »ç¿ø |
±³³»ºÀ»ç |
- °æ¿µÇаú ÇаúÀå (2017.12 ~ 2019.06) |
- °æ¿µ´ëÇÐ ºÎÇÐÀå (2016.08 ~ 2017.11) |
ÇÐȸ ºÀ»ç |
- Çѱ¹°æ¿µ°úÇÐȸ ¿¬±¸ÀÌ»ç (2022.02 ~ ÇöÀç) |
- Çѱ¹°æ¿µ°úÇÐȸ ÆíÁýÀ§¿ø (2012.09 ~ 2022.01) |
- Çѱ¹»ê¾÷°æ¿µ½Ã½ºÅÛÇÐȸ ÇмúºÎÀ§¿øÀå (2012.1 ~ 2012.12) |