Associate Professor (Dept. of Mathematics Education)

• April 2023 ~

Assistant Professor (Dept. of Mathematics Education)

• March 2019 ~ March 2023

Lecturer (Dept. of Mathematics Education)

• March 2015 ~ February 2016

Senior Researcher (Dept. of Creative Humanities)

• August 2018 ~ February 2019

Lecturer (Dept. of Mathematics Education)

• September 2018 ~ December 2018

Lecturer (Dept. of Mathematics Education)

• March 2018 ~ June 2018

Lecturer (Dept. of Mathematics Education)

• August 2017 ~ August 2018

Lecturer (Dept. of Mathematics Education)

• August 2017 ~ August 2018

Lecturer (Dept. of Mathematics Education)

• August 2017 ~ August 2018

Assistant Administrator 

• September 2013 ~ February 2018

Teaching Assistant (Dept. of Mathematical Science)

• February 2011 ~ February 2013

Teaching Assistant (Dept. of Mathematics)

• March 2010 ~ October 2010

Lecturer (Dept. of 11th Grades)

• September 2009 ~ December 2009