Hongki CHA serves as a Director at ETRI, where his work focuses on developing standards for automated driving systems and formulating standardization strategies and policies. His responsibilities include acting as a Sponsor for SAE J3016, which addresses the "Taxonomy and Definitions for Terms Related to Driving Automation Systems for On-Road Motor Vehicles." He is also a Rapporteur for ITU-T Q10/21, contributing to "Vehicular multimedia communications, systems, networks, and applications.