3. 2025.09.17 : Keynote speaker for the 14th Engineering International Conference (EIC)
2. 2024.10.29 : Keynote speaker for the 9th International Conference on Energy, Environment, Epidemiology and Information System (ICENIS) Link
1. 2020.11.29 : Invited to be a speaker from the Indonesian embassy in South Korea with the theme “Prospects of the Electric Vehicle Industry in Indonesia” Link