Cerulion
YC S24San Francisco, US · Founded 2024 · 2 employees · Hiring · 13 known investors
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Cerulion provides a ROS2-compatible robot middleware that achieves microsecond-latency inter-process communication through zero-copy shared memory and deterministic execution. Built in Rust, it enables faster, more reliable real-time performance for robotics applications compared to standard ROS2.
Also known as RenardOS
Founders & leadership· Y Combinator alumni (S24)
Cerulion was founded in 2024 by Lakshay Sharma.

Investors · 13
How we know: Olive Tree Capital's portfolio page · the VCSheet dataset · Y Combinator's founder network · Not right? Tell us
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Related companies · 1
Companies working in the same space as Cerulion.
Legal entities · 1
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Frequently asked questions
- What does Cerulion do?
- Cerulion provides a ROS2-compatible robot middleware that achieves microsecond-latency inter-process communication through zero-copy shared memory and deterministic execution. Built in Rust, it enables faster, more reliable real-time performance for robotics applications compared to standard ROS2.
- Who founded Cerulion?
- Cerulion was founded by Lakshay Sharma in 2024.
- Who are Cerulion's investors?
- Cerulion's investors include Olive Tree Capital, SBXi, Soma Capital, The E14 Fund, Y Combinator, Asymmetry Ventures, Hyper, Network VC and 5 more.
- Where is Cerulion headquartered?
- Cerulion is headquartered in San Francisco, US.









