1. Sang-Kil Son, Linda Young, and Robin Santra, “Impact of hollow-atom formation on coherent x-ray scattering at high intensity” in European XFEL and HASYLAB Users' Meeting (DESY, Hamburg, Germany, January 26-28, 2011) [poster].
2. Sang-Kil Son, Linda Young, and Robin Santra, “Impact of hollow-atom formation on coherent x-ray scattering at high intensity” in 75th Annual Meeting of the DPG and DPG Spring Meeting (German Physical Society, Dresden, Germany, March 13-18, 2011) [poster].
3. Sang-Kil Son and Robin Santra, “XATOM: an integrated toolkit for X-ray and atomic physics” in 1st CFEL Symposium 2011 (CFEL, Sylt, Germany, March 18-20, 2011) [poster].
4. Sang-Kil Son and Robin Santra, “XATOM: an integrated toolkit for X-ray and atomic physics” in The 17th International Conference on Atomic Processes in Plasmas (Queen's University, Belfast, United Kingdom, July 19-22, 2011) [poster].
5. Sang-Kil Son and Robin Santra, “XATOM: an integrated toolkit for X-ray and atomic physics” in The 3rd CQSE International Workshop on Atomic, Molecular, and Ultrafast Science and Technology (National Taiwan University, Taipei, Taiwan, January 7-8, 2012) [poster].
6. Sang-Kil Son, Henry N. Chapman, and Robin Santra, “Multiwavelength anomalous diffraction at high x-ray intensity” in European XFEL and HASYLAB Users' Meeting (DESY, Hamburg, Germany, January 25-27, 2012) [poster].
7. Sang-Kil Son and Robin Santra, “XATOM: an integrated toolkit for X-ray and atomic physics” in Photoions, Photoionization and Photodetachment (Gordon Research Conference, Galveston, Texas, US, February 12-17, 2012) [poster].
8. Sang-Kil Son, Henry N. Chapman, and Robin Santra, “Multiwavelength anomalous diffraction at high x-ray intensity” in Science at FELs (DESY, Hamburg, Germany, July 15-18, 2012) [poster].
9. Sang-Kil Son, Lorenzo Galli, Henry N. Chapman, and Robin Santra, “High-intensity phasing 
with x-ray free-electron lasers” in European XFEL and DESY Photon Science Users' Meeting (DESY, Hamburg, Germany, January 28-30, 2015) [poster].