1. Sang-Kil Son, “Electronic response to X-ray free-electron laser pulses” in The 3rd CQSE International Workshop on Atomic, Molecular, and Ultrafast Science and Technology (National Taiwan University, Taipei, Taiwan, January 7-8, 2012) [invited talk].
2. Sang-Kil Son, “Electronic response to X-ray free-electron laser pulses” in MPC-AS seminar (Max Planck Center for Attosecond Science, POSTECH, Pohang, Korea, November 23, 2012) [oral presentation].
3. Sang-Kil Son and Robin Santra, “Inner-shell multiphoton multiple ionization dynamics of xenon atoms by x-ray free-electron laser pulses” in DPG Spring Meeting of the Section AMOP (German Physical Society, Hanover, Germany, March 18-22, 2013) [oral presentation].
4. Sang-Kil Son, Robert Thiele, Zoltan Jurek, Beata Ziaja, and Robin Santra, “Quantum-mechanical calculation of ionization potential lowering in dense plasmas” in Radiative Properties of Hot Dense Matter (Vienna, Austria, September 29-October 3, 2014) [oral presentation].
5. Sang-Kil Son, “Phasing with electronic radiation damage at high x-ray intensity” in BioXFEL STC 2nd Annual International Conference (Ponce, Puerto Rico, January 14-16, 2015) [invited talk].
6. 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].
7. Sang-Kil Son, “What happens to atoms and molecules during x-ray free-electron laser pulses?” in Seminar on Dynamical Aspects of Theoretical Chemistry (Department of Chemistry, Free University of Berlin, Berlin, Germany, November 19, 2015) [invited talk].
8. Sang-Kil Son, “What happens to atoms and molecules during x-ray free-electron laser pulses?” in Physical Colloquium (Institute of Physics, University of Kassel, Kassel, Germany, December 3, 2015) [invited talk].
9. Sang-Kil Son, “What happens to atoms and molecules during x-ray free-electron laser pulses?” in Physics and Photon Science Colloquium (Department of Physics and Photon Science, GIST, Gwangju, Korea, October 18, 2016) [invited talk].
10. Sang-Kil Son, “A new computational tool for describing the behavior of molecules in high-intensity x-ray fields” in Workshop on Science of “From Matter to Materials and Life” (Hamburg, Germany, December 14-16, 2016) [oral presentation].
11. Sang-Kil Son, “What happens to atoms and molecules during X-ray free-electron laser pulses?” in European XFEL Theory Seminar (European XFEL, Schenefeld, Germany, June 22, 2017) [invited talk].
12. Sang-Kil Son, “Electronic structure of atoms and molecules at high x-ray intensity” in New trends in theory for experiments at advanced light sources (European XFEL and CFEL, Schenefeld and Hamburg, Germany, November 29-December 1, 2017) [invited talk].
13. Sang-Kil Son, “Ultrafast ionization and fragmentation dynamics of molecules at high x-ray intensity” in Light-Matter Interaction: Recent Advances in Theory (DESY, Hamburg, Germany, January 25, 2018) in Satellite Workshop of European XFEL and DESY Photon Science Users' Meeting 2018 [invited talk].
14. 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].
15. 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].
16. Sang-Kil Son, “Femtosecond response of atoms and molecules to ultra-intense hard x-rays” in Workshop on Science of “From Matter to Materials and Life” (Dresden, Germany, February 13-15, 2019) [oral presentation].
17. Sang-Kil Son, Koudai Toyota, Robin Santra, Benedikt Rudek, Artem Rudenko, and Daniel Rolles, “Relativistic and resonant effects on x-ray multiphoton multiple ionization of heavy atoms” in 83rd Annual Meeting of the DPG and DPG Spring Meeting of the Section AMOP (German Physical Society, Rostock, Germany, March 11-15, 2019) [oral presentation].
18. 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].
19. 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].
20. 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].
21. Sang-Kil Son, “Breakdown of frustrated absorption in x-ray sequential multiphoton ionization” in CFEL-DESY Theory Seminar (CFEL, DESY, Hamburg, Germany, April 1, 2020) [oral presentation].
22. 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].
23. Sang-Kil Son, “Resonances in x-ray multiphoton ionization” in Molecular quantum dynamics beyond bound states (Institute of Physics, Rostock University, Rostock, Germany, March 10-12, 2021) [invited talk].
24. Sang-Kil Son, “A two-step model for studying ionization potential depression in dense plasmas” in Average Atom Models for Warm Dense Matter (University of California, Berkeley, Berkeley, California, United States, June 28-29, 2021) [invited talk].
25. 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].
26. Sang-Kil Son, “Relativistic effects in x-ray multiphoton ionization dynamics” in 13th International Conference on Relativistic Effects in Heavy-Element Chemistry and Physics (Assisi, Italy, September 26-30, 2022) [invited talk].
27. Sang-Kil Son, “New opportunities in x-ray spectroscopy at high intensity” in XFEL Special Seminar (PAL XFEL, POSTECH, Pohang, Korea, July 20, 2023) [invited talk].
28. Sang-Kil Son, “Multiple-core-hole resonance spectroscopy with ultraintense X-ray pulses” in CFEL-DESY Theory Seminar (CFEL, DESY, Hamburg, Germany, September 20, 2023) [oral presentation].