- Served as a Military Communications Specialist in the 2nd Corps of the Republic of Korea Army.- Managed and maintained communication systems, including radios, satellite systems, and encrypted devices, ensuring secure and reliable communication between corps units.- Provided technical support and troubleshooting for communication equipment in field operations, ensuring the smooth execution of mission-critical communications.- Played a key role in coordinating communication across multiple corps, ensuring the timely and accurate transmission of orders and intelligence.- Developed strong problem-solving, leadership, and teamwork skills while operating under high-pressure conditions during military operations and training.

Research with professor Dr. Je-Geun Park at Seoul National University on Magnetism intwo-dimensional van der Waals materials