GDC is part of the Informa Tech Division of Informa PLC

This site is operated by a business or businesses owned by Informa PLC and all copyright resides with them. Informa PLC's registered office is 5 Howick Place, London SW1P 1WG. Registered in England and Wales. Number 8860726.

View, browse and sort the ever-growing list of sessions by day, pass type, topic, and format. With this Session Viewer, you can view GDC 2023 session details and speakers, and share your favorites via social media. You will be able to build your schedule and access it during the show via export or Mobile App, once live. Sessions do fill up and seating is first come, first serve, so arrive early to sessions that you would like to attend.


Leon Wei is the engine team lead at LIGHTSPEED STUDIOS. As a game engine expert engineer, Leon brought over a decade of experience in game software development and led the game engine team for UNDAWN. Leon focused on the techniques of mobile game optimizations and mobile GI. He implemented a Vulkan API-based parallel render framework for UNDAWN to replace frequent rendering API jank, and achieved 30% decrease in CPU render time. He also designed the Global Illumination (GI) system in UNDAWN using a probe-based method, enabling real-time fast rendering of the lighting environment in the open world. Leon previously contributed to the development of DarkSiders Mobile and Legend of Elves after finishing his master's degree in the State Key Library of CAD & CG at Zhejiang University. His research interests include computer graphics, image processing, game development, somatosensory-based interaction, computer vision, and machine learning.