1. Sang-Kil Son, “Multiphoton multiple ionization dynamics of atoms and molecules at high x-ray intensity” in International Workshop on Intense-field Short-wavelength Atomic and Molecular Processes (Hamburg, Germany, July 18-20, 2015) [invited talk].
2. Sang-Kil Son, “Ultrafast dynamics of atoms and molecules with x-ray free-electron lasers” in Attosecond Physics at the Nanoscale (Center for Theoretical Physics of Complex Systems, Institute for Basic Science, Daejeon, Korea, October 29-November 2, 2018) [invited talk].
3. Sang-Kil Son, “What happens to atoms and molecules at high x-ray intensity?” in Special seminar (Department of Chemistry, KAIST, Daejeon, Korea, October 31, 2018) [oral presentation].
4. Sang-Kil Son, “Ultrafast dynamics of atoms and molecules induced by intense x-ray free-electron laser pulses” in 28th Annual International Laser Physics Workshop (Gyeongju, Korea, July 8-12, 2019) [invited talk].
5. Sang-Kil Son, “What happens to atoms and molecules during x-ray free-electron laser pulses?” in Physics/BK21+ Seminar (Department of Physics, POSTECH, Pohang, Korea, July 15, 2019) [invited talk].
6. Sang-Kil Son, “What happens to atoms and molecules during x-ray free-electron laser pulses?” in Physics Seminar (Department of Physics, UNIST, Ulsan, Korea, July 16, 2019) [invited talk].
7. Sang-Kil Son, “Theory of X-ray–matter interactions” in Ultrafast X-ray Summer School (PULSE, Stanford, California, United States, June 15-22, 2020) [lecture].
8. Sang-Kil Son, “What happens to atoms, molecules, and dense plasmas at high x-ray intensity?” in Seminar (Laboratory for Laser Energetics, University of Rochester, Rochester, New York, United States, September 14, 2021) [invited talk].