Joongi is the creator of Backend.AI and the CTO of Lablup, where he oversees the development of MLOps pipelines and GPU-accelerated AI services. He earned his Ph.D. in Computer Science from KAIST by creating a GPU-accelerated packet processing framework with world-leading speed of 80 Gbps. His major areas of interest include scalable and automated backend systems, as well as their analysis and design. He's also a big fan of open source, having contributed to projects like Python, iPuTTY, Textcube, aiodocker, aiohttp, pyzmq, DPDK, and others.