He joined the Direct3D team in 1995 and has contributed to releases since DirectX 3. Over that time, he has worked closely with hardware and software developers to drive the adoption of features like programmable hardware shaders and float pixel processing. He has developed and demonstrated initial hardware-accelerated versions of techniques like hardware soft skinning and hemispheric lighting with ambient occlusion. He is currently working on the design of future DirectX releases and related components. Kayvon Fatahalian