**Talks**

- Birational geometry of moduli spaces of parabolic bundles, seminar talk, KAIST, June 2017.
- Birational geometry of moduli spaces of parabolic bundles, seminar talk, Seoul National University, June 2017.
- Rationality of moduli spaces of hyperplane arrangements, One-day workshop on hyperplane arrangements and singularities, KIAS, June 2017.
- Birational geometry of moduli spaces of parabolic bundles, seminar talk, KIAS, June 2017.
- Birational geometry of moduli spaces, colloquium talk, University of Seoul, June 2017.
- Let’s count points!, colloquium talk at Department of Mathematics Education, Seoul National University, June 2017.
- Some facts that you may not know about right triangles, math club talk, Fordham University, May 2017.
- Birational geometry of moduli spaces of parabolic bundles, seminar talk, Courant Institute, April 2017.
- Birational geometry of moduli spaces, colloquium, Claremont McKenna College, February 2017.
- Birational geometry of moduli spaces, seminar talk, University of Arizona, February 2017.
- Birational geometry of moduli spaces, colloquium, University of Kentucky, January 2017.
- Classical invariant theory and birational geometry of moduli spaces of parabolic bundles, Joint Mathematics Meeting, Atlanta, January 2017.
- Classical invariant theory and birational geometry of moduli spaces, Workshop on Combinatorial Moduli Spaces, Fields Institute, December 2016.
- Classical invariant theory and birational geometry of moduli spaces, seminar talk, Princeton University, November 2016.
- A computational approach to the F-conjecture, seminar talk, KIAS, May 2016.
- A computational approach to the F-conjecture, seminar talk, KAIST, May 2016.
- Geometric invariant theory and construction of moduli spaces, colloquium, Kyoungbook National University, May 2016.
- Moduli spaces and birational geometry, colloquium talk at Department of Mathematics Education, Seoul National University, May 2016.
- Birational geometry of moduli spaces of parabolic bundles, seminar talk, Seoul National University, May 2016.
- Algebraic geometry, moduli spaces, and invariant_theory, seminar talk, Ewha Women’s University, May 2016.
- A computational approach to the F-conjecture, Workshop on Rational Curves and Moduli, Damyang, May 2016.
- Let’s count points!, math club talk, Fordham University, December 2015.
- Birational geometry of moduli spaces of parabolic bundles, seminar talk, Stony Brook University, November 2015.
- Classical invariant theory and birational geometry of moduli spaces, mathematics colloquium, Rutgers University-Newark, November 2015.
- Effective curve class computation on moduli of rational curves, seminar talk, KIAS, August 2014.
- Alternative compactifications of the moduli space of pointed rational curves, seminar talk, IBS-CGP, July 2014.
- Do we really need integral?, math club talk, Fordham University, March 2014.
- Alternative compactifications of the moduli space of pointed rational curves, seminar talk, KIAS, January 2014.
- Alternative compactifications of the moduli space of pointed rational curves, seminar talk, Seoul National University, December 2013.
- Alternative compactifications of the moduli space of pointed rational curves, seminar talk, Yale University, November 2013.
- Birational geometry of \(\overline{\mathrm{M}}_{0,n}\) and conformal blocks, seminar talk, KIAS, July 2013.
- Moduli spaces and their birational geometry, seminar talk, Ehwa Women’s university, July 2013.
- Euler’s product formula and its geometric interpretation, colloquium talk at Department of Mathematics Education, Seoul National University, July 2013.
- Birational geometry of \(\overline{\mathrm{M}}_{0,n}\) and conformal blocks, seminar talk, KAIST, July 2013.
- Mori’s program for \(\overline{\mathrm{M}}_{0,n}\), seminar talk, KAIST, July 2013.
- GIT compactifications of \(\mathrm{M}_{0,n}\), The Asian Mathematical Conference 2013, Busan, July 2013.
- Compactifications of moduli of curves, series lecture at KIAS, June 2013.
- Birational geometry of \(\overline{\mathrm{M}}_{0,n}\) and conformal blocks, seminar talk, Princeton University, March 2013.
- Moduli spaces and their birational geometry, seminar talk, Fordham University, February 2013.
- Moduli spaces and their birational geometry, seminar talk, University of Georgia, February 2013.
- Toward a classification of projective modular compactifications of \(\mathrm{M}_{0,n}\), seminar talk, University of Georgia, October 2012.
- Introduction to Geometric Invariant Theory, four hours lecture on Summer School on Algebraic Geometry, Sol Beach, June 2012.
- New family of nef divisors on \(\overline{\mathrm{M}}_{0,n}\), seminar talk, KIAS, June 2012.
- GIT compactifications of \(\mathrm{M}_{0,n}\), seminar talk, KIAS, June 2012.
- GIT compactifications of \(\mathrm{M}_{0,n}\), seminar talk, Seoul National University, June 2012.
- Mori’s program for moduli spaces of pointed curves and psi-classes, seminar talk, University of Georgia, September 2011.
- Moduli spaces and their birational geometry, Algebra camp, Seoul National University, August 2011.
- Mori’s program for moduli spaces of pointed curves and psi-classes, Workshop on Moduli and Birational Geometry, Gyeongju, July 2011.
- Mori’s program for \(\overline{\mathrm{M}}_{0,n}\), seminar talk, Brown University, May 2011.
- Moduli spaces and its birational geometry, seminar talk, Chungnam University, April 2011.
- Mori’s program for the moduli space of pointed stable rational curves, Global KMS International Conference, Postech, October 2010.
- Introduction to moduli spaces, Workshop for Young Mathematicians in Korea, KAIST, July 2010.
- Elementary construction of the moduli spaces of rational curves via GIT, Mini workshop on curves, Seoul National University, March 2010.
- On GIT constructions of Kontsevich moduli spaces of stable maps, Joint Meeting of the KMS and AMS, Ewha Women’s University, December 2009.
- Cohomology of moduli spaces of stable maps to projective space, Algebra camp, Seoul National University, January 2008.

### Events

- SQuaRE on Computational aspects of GIT with a view toward geometry of moduli spaces, American Institute of Mathematics, June 4-8, 2018.
- Conference on Birational Geometry, Simons Foundation, August 21-25, 2017.
- Hodge Theory, Moduli and Representation Theory, Stony Brook, August 14-18, 2017.
- One-Day Workshop on Hyperplane Arrangements and Singularities, KIAS, June 20, 2017.
- AGNES, Stony Brook, April 21-23, 2017.
- Joint Mathematics Meeting 2017, January 4-7, 2017.
- Workshop on Combinatorial Moduli Spaces, Fields Institute, December 5-9, 2016.
- Introductory Summer School on Combinatorial Algebraic Geometry, Fields Institute, July 18-22, 2016.
- Workshop on Rational Curves and Moduli, Damyang, Korea, May 12-15, 2016.
- Invitation to Gromov-Witten theory, Stony Brook, January 30, 2015.
- AGNES, University of Pennsylvania, October 31-November 2, 2014.
- Seoul ICM 2014 Satellite Conference on Algebraic and Complex Geometry, Daejeon, Korea, August 6-10, 2014.
- Geometry and Physics of Gauged Linear Sigma Model and its Related Topics, KIAS, Korea, July 28-August 1, 2014.
- AGNES, Stony Brook, April 25-27, 2014.
- Workshop on birational geometry and stability of moduli stacks and spaces of curves, Hanoi, Vietnam, January 5-11, 2014.
- Mini school on K-stability, Stony Brook, December 6, 2013.
- AGNES, Boston College, October 25-27, 2013.
- The Asian Mathematical Conference 2013, Busan, Korea, June 30-July 4, 2013.
- Summer School on Algebraic Geometry, Sol Beach, Korea, June 24-28, 2013.
- Motivic Invariants and Singularities Thematic Graduate Summer School, Notre Dame, May 27-31, 2013.
- Recent Advances in Algebraic Geometry, University of Michigan, May 16-19, 2013.
- Log Minimal Model Program for Moduli Spaces, American Institute of Mathematics, Palo Alto, December 10-14, 2012.
- Workshop on Moduli and Birational Geometry, Busan, Korea, July 9-13, 2012.
- Summer School on Algebraic Geometry, Sol Beach, Korea, June 25-29, 2012.
- UGA’s Georgia Algebraic Geometry Symposium, University of Georgia, May 25-28, 2012.
- The UGA VIGRE Algebraic Geometry Summer School, University of Georgia, May 20-June 2, 2012.
- Tropical Geometry Workshop, CIEM, Castro Urdiales, Spain, December 12-16, 2011.
- AGNES, Stony Brook, October 29-30, 2011.

### Services

- Paper refereed for Bulletin of the Korean Mathematical Society, Journal of Algebra, Journal of Mathematical Society of Japan, and The American Mathematical Monthly.

### Seminar Organized

- Graduate student algebraic geometry seminar, 2013 Spring.
- Graduate student algebraic geometry seminar, 2012 Fall.