Simon Mo
Lead maintainer of vLLM and co-founder of Inferact, a company started by vLLM's maintainers
- Co-founder, Inferact14
- Lead maintainer and project lead (API entrypoints, community), vLLM project231
Simon Mo is a lead maintainer of vLLM, the open-source engine for serving large language models; the project's governance document lists Simon Mo among the lead maintainers responsible for its overall direction, and the committers list names Simon Mo as a project lead for API entrypoints and community. Simon Mo is also listed for the project's documentation, benchmarks, and CI, build, and release process. Simon Mo is a co-founder of Inferact, a company founded by vLLM's maintainers to work on AI inference.2314
Open-source work
Mo's earliest commits to vLLM date from November 2023 and include documentation for the official Docker image. vLLM's governance document now lists Mo among the lead maintainers responsible for the project's overall direction.652
The committers list names Mo as project lead for API entrypoints and community and as a reviewer for the model interface and the OpenAI-compatible API server, alongside documentation, benchmarks and the CI, build and release process. Mo published vLLM releases including v0.10.2 in September 2025 and v0.11.0 in October 2025.378
Inferact
Work
Career timeline
Nov 16, 2023
Made early commits to the vLLM repository, including an engine step fix.5
Nov 19, 2023
Added documentation for vLLM's official Docker image.6
Sep 13, 2025
Published the vLLM v0.10.2 release.7
Oct 2, 2025
Published the vLLM v0.11.0 release.8
Jan 2026
Inferact, co-founded by Mo and other vLLM maintainers, was announced.41
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