Page http://gt.postech.ac.kr/~jccha/

Office Room 106, Mathematics Science Building

Tel +82-54-279-2060

Email jccha@postech.ac.kr

EducationPh. D., KAIST

Research AreaGeometric topology, Knot theory

Employment2013 ~ 2014 Indiana Univ. Visiting professor
2009 ~ present KIAS Adjunct professor
2007 ~ present POSTECH Professor

Awards2017 Mueunjae Chair Professorship, POSTECH 2014 Yoensan Chair Professorship, POSTECH 2013 KAST Frontier Scientist The Mathematical Society of Japan, Invited Plenary Lecture Scientist of the Month, Ministry of Education, Science and Technology 2011 K.