3D Technical Lead

Sean Lilley

Sean leads development for the Cesium graphics engine and 3D Tiles pipeline.

Sean focuses on making Cesium’s graphics engine fast, accurate, and visually appealing. As the 3D technical lead for the Cesium team, he oversees all development work from the core rendering engine to 3D Tiles to glTF implementation. Sean’s interest in computer graphics began as a Digital Media Design student at the University of Pennsylvania, where he developed a game engine in his free time. He interned at Electronic Arts and AMD, and published in GPU Pro while still an intern. He presents frequently at conferences such as FOSS4G. Outside of the real-time-rendering world, Sean creates animated short films in Blender.

Connect with Sean on Twitter.


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