Mark Collier

Executive Director, PyTorch Foundation

Mark Collier is Executive Director of the PyTorch Foundation, home to PyTorch, vLLM, DeepSpeed, Ray, Helion and Safetensors, and General Manager, AI & Infrastructure at the Linux Foundation. He co-founded OpenStack and the OpenInfra Foundation, growing a small NASA–Rackspace collaboration into a global open source community. Today he works with companies, researchers and developers worldwide to build a vendor-neutral AI stack that keeps AI infrastructure accessible to all.

Kevin Mi

Member of Technical Staff, RadixArk

Kevin Mi is a Member of Technical Staff at RadixArk and a core developer of SGLang Diffusion. He works on diffusion model serving and on SGLang's AMD optimizations, with a focus on inference performance and multi-hardware support.