1) “Aquatic Elevator Particle”, National Postdoc Appreciation Week at Nature Research Center, Raleigh, NC, September 15 2014
2) “Amine Functionalized Mesoporous Silica Membranes on Polymeric Hollow Fibers for CO2 Separation”, Journey through Science Day at the New York Academy of Sciences, New York, NY, December 8 2014
3) “Modified Mesoporous Silica Membranes on Polymeric Hollow Fibers for Separation Applications”, Young Tiger Forum, Seoul, Korea, December 4 2015
4) “Principles and Engineering of Self-Propelling Particles”, Korea University, Department of Chemical & Biological Engineering Seoul, Korea, November 23 2016
5) “Pervaporation Membrane”, Korea University Lecture, Department of Chemical & Biological Engineering, Seoul, Korea, December 4 2017
6) “Decommission Technology Ranging from Radioactive CO2 Capture to Solidification of Carbowastes”, University of Sheffield, Department of Chemical and Biological Engineering, Sheffield, UK, July 18 2023.
7) “Decommission Technology Ranging from Radioactive CO2 Capture to Solidification of Carbowastes”, University of Ulsan, Department of Chemical Engineering, Ulsan, Korea, Jan 15 2024.
8) “Tritium Separation Technology”, Korea University, Department of Chemical & Biological Engineering, Seoul, Korea, Feb 7 2024.