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Use the GDC 2021 Session Viewer to browse and sort the ever-growing list of sessions by day, time, pass type, topic, and format. All registered attendees will be able to build their personal schedule directly within the event platform, once live early July 2021. All times are listed in Pacific Time.

Fletcher DunnProgrammerValve

Fletcher has been making video games professionally for 25 years. He's the author of 3D Math Primer for Graphics and Game Development. (The second edition is now available online in its entirely for free at!) He is currently a programmer at Valve Software in Bellevue, Washington.