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  "markdown": "Lead author, ShieldGemma and ShieldGemma 2 technical reports.\n\n## What Wenjun builds\n\n- [ShieldGemma](https://www.anchorterminal.com/tools/shieldgemma.md), graded C, 54/100, in Guardrails \u0026 safety filters. ShieldGemma is Google's family of open-weight safety classifiers built on Gemma. ShieldGemma 1 (2B, 9B, 27B) scores English text against hate, harassment, dangerous and sexual content policies, and ShieldGemma 2 (4B) scores images. The owner runs them. Lead author, ShieldGemma and ShieldGemma 2 technical reports, researched 2026-11-06.\n\n## Works with\n\n- [Brendan O’Donoghue](https://www.anchorterminal.com/people/brendan-o-donoghue/), Research Scientist; DiffusionGemma / Gemini Diffusion lead\n- [Demis Hassabis](https://www.anchorterminal.com/people/demis-hassabis/), Co-founder and CEO, Google DeepMind\n- [Gus Martins](https://www.anchorterminal.com/people/gus-martins/), Gemma Product Manager\n- [Henrique Schechter Vera](https://www.anchorterminal.com/people/henrique-schechter-vera/), Lead author, EmbeddingGemma 2 technical report\n- [Min Choi](https://www.anchorterminal.com/people/min-choi/), Product Manager; EmbeddingGemma launch\n- [Mustafa Suleyman](https://www.anchorterminal.com/people/mustafa-suleyman/), Co-founder and former head of applied AI, DeepMind\n- [Ryan Mullins](https://www.anchorterminal.com/people/ryan-mullins/), Author, ShieldGemma and ShieldGemma 2 technical reports\n- [Sahil Dua](https://www.anchorterminal.com/people/sahil-dua/), Author, EmbeddingGemma 2 technical report\n- [Sebastian Flennerhag](https://www.anchorterminal.com/people/sebastian-flennerhag/), Research Scientist; DiffusionGemma research lead\n- [Shane Legg](https://www.anchorterminal.com/people/shane-legg/), Co-founder and Chief AGI Scientist, Google DeepMind\n\n## Questions\n\n### Who is Wenjun Zeng?\n\nWenjun Zeng is lead author at ShieldGemma and ShieldGemma 2 technical reports.\n\n### What does Google DeepMind make?\n\nAnchor Terminal lists ShieldGemma from Google DeepMind. ShieldGemma is Google's family of open-weight safety classifiers built on Gemma. ShieldGemma 1 (2B, 9B, 27B) scores English text against hate, harassment, dangerous and sexual content policies, and ShieldGemma 2 (4B) scores images. The owner runs them.\n\n### How are Wenjun's tools graded?\n\nShieldGemma is graded C, 54 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.\n\n## Sources\n\n- https://uk.linkedin.com/in/lgusmartins\n- https://x.com/gusthema\n- https://gemma.ai/\n- https://x.com/Google\n- https://deepmind.google/\n- https://en.wikipedia.org/wiki/Google_DeepMind\n- https://deepmind.google/about/\n- https://en.wikipedia.org/wiki/Demis_Hassabis\n- https://en.wikipedia.org/wiki/Shane_Legg\n- https://en.wikipedia.org/wiki/Mustafa_Suleyman\n- https://gemma.ai/models/shieldgemma/model-card-v1.md\n- https://gemma.ai/models/shieldgemma/model-card-v2.md\n\nThese are the people building the tools we list, named for their public role in the company or project behind a listing, from public pages, with the date it was researched. They don't work for Anchor Terminal (our own team is on the about page, /about/#author). We show public roles, public profiles and what the listing pages show, nothing private. If a page is about you, link your account from it to write the about and set the links yourself. For a photo, a correction or to have a page removed, write to privacy@anchorterminal.com.\n",
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