Assistant Professor of Economics, West Virginia University, USA, ​2011 - 2016

Visiting Associate Professor, Hitotsubashi University, Japan, May - August 2014
 
Guest Lecturer, Budapest University of Technology and Economics, Hungary,       November 2013, May 2018

​Guest Lecturer, Fukuoka University, Japan, 2020 - Present.
 
Distinguished Professor in Research Award, 2018, 2019, University of Ulsan

​기재부 공공기관 경영평가 위원 2019

울산대 사회대 부학장 2018-2020

울산대 사회공헌센터장 2019-2021

​울산대 경제학과장 2020-2022

울산대 사회과학대학 교수협의회장 2021