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Mihai Maruseac

@mihai.page

3.3K followers 2.8K following 162 posts

Building AGI with Privacy and Security at OpenAI. Previously: ML Supply chain security @ Google OSS Security Team (model signing, GUAC). Previously: TensorFlow Security & OSS (@ Google) Previously: Haskell+differential privacy+ML @ LeapYear

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Mihai Maruseac @mihai.page · 28/04/2026

"If they ever tell my story let them say that I walked with giants."--Troy I'm humbled&excited that the model we released last week is now trending as#2 on HuggingFace,between giant models like DeepSeek,Qwen,and Kimi. Excited that the community finds this useful; looking forward for more work here

Screenshot of HuggingFace trending models showing privacy-filter as the second model, between DeepSeek V4 Pro and Qwen3.6.

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Mihai Maruseac @mihai.page · 28/01/2026

Yesterday was my last day at Google. It was a bittersweet departure, leaving a team I really enjoyed working with. GOSST's mission is extremely important and I still believe in it.

Image of 2 laptops, one clean, one with a lot of stickers on it (Google, OSV, GOSST, CoSAI, OpenSSF, AntennaPod, Gemini, DevConf, PyOpenSci, TensorFlow, HEIR, Scientific Python). On the side, there's a censored employee badge.

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Mihai Maruseac @mihai.page · 18/01/2026

Let the experiments begin:

4 progress bar, one labelled "Total run progress", another "prompts_square", then one named "gtp-4o" and the final one "Model score on task". The 3rd on is at 30%, the rest at 0%.

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Mihai Maruseac @mihai.page · 15/03/2025

Happy pi Day

A jigsaw puzzle in the form of a circle which contains the digits of pi. There is a special effect created with the size of the digits so that the symbol for pi is embossed

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Mihai Maruseac @mihai.page · 31/12/2023

This was supposed to be the 6th year of all green tiles but I missed slightly more than a week of them. Still, it made no difference, it's the 6th year of monotonically increasing number of OSS contributions and I think this matters more than just having all tiles green.

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