Hyunjin Kim is a Senior Staff Engineer in the deep learning compiler team at DEEPX, where he leads both the front-end and back-end compiler teams. His focus is on deep learning inference performance and energy optimization, as well as software quality improvement. Before joining DEEPX, Hyunjin was a team manager for the Exynos Neural Processing Unit framework at Samsung Electronics, where he led his team to improve software performance using a variety of software optimization techniques. At Samsung he also worked on software quality and testability enhancement through the test-driven development and the code-based documentation. Hyunjin earned his PhD in Computer Science at UCLA.