At Duke

• Probability (Math 230, Spring and Fall 2022).
• Combinatorics (Math 371, Fall 2021).
• Linear Algebra and Differential Equations (Math216D, Spring 2021).
• Multivariable Calculus (Math212D, Fall 2020).

Detailed information about courses can be found in Sakai. 

At Ohio State

• TA training mentoring for math graduate students who start teaching (Summer 2019)
• Engineering Mathematics A (Autumn 2016)
• Calculus II  (Spring 2016)

At Seoul National Univ.

I have my B.S. degree in Mathematics Education. My undergrad major curriculum consisted of standard math courses as well as specialized math-education courses (such as theory of math education,  educational technology in math education, teaching practicum).

Other academic employment

• Graduate Research Assistant: Spring 2017, Autumn 2017, Autumn 2018, Spring 2019, Autumn 2019 and Summer 2015-2019
• Departmental fellowship (Special Graduate Assignments): Spring 2018 and Spring 2020