1. Sang-Kil Son, “Ultrafast ionization and fragmentation dynamics of molecules at high x-ray intensity” in The 7th Topical Conference of the Indian Society of Atomic and Molecular Physics (Indian Society of Atomic and Molecular Physics, Tirupati, India, January 6-8, 2018) [invited talk].
2. 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].
3. 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].
4. 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].