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  "markdown": "CEO, Harvey.\n\n## What Winston builds\n\n- [Guardrails AI](https://www.anchorterminal.com/tools/guardrails-ai.md), graded D, 49.8/100, in Guardrails \u0026 safety filters. Open-source Python framework for validating LLM inputs and outputs, with configurable actions for failed checks and an API server. CEO, Harvey, researched 2026-10-29.\n\n## Works with\n\n- [Shreya Rajpal](https://www.anchorterminal.com/people/shreya-rajpal/), Co-founder and CEO, joined Harvey in September 2026\n- [Zayd Simjee](https://www.anchorterminal.com/people/zayd-simjee/), Co-founder, joined Harvey in September 2026\n\n## Backed by\n\n- [Zetta Venture Partners](https://www.anchorterminal.com/investors/zetta-venture-partners/)\n- [Bloomberg Beta](https://www.anchorterminal.com/investors/bloomberg-beta/)\n- [Pear VC](https://www.anchorterminal.com/investors/pear-vc/)\n- [Factory](https://www.anchorterminal.com/investors/factory/)\n- [GitHub](https://www.anchorterminal.com/investors/github/)\n- [Microsoft](https://www.anchorterminal.com/investors/microsoft/)\n- [Ian Goodfellow](https://www.anchorterminal.com/investors/ian-goodfellow/)\n- [Logan Kilpatrick](https://www.anchorterminal.com/investors/logan-kilpatrick/)\n- [Lip-Bu Tan](https://www.anchorterminal.com/investors/lip-bu-tan/)\n\n## Questions\n\n### Who is Winston Weinberg?\n\nWinston Weinberg is CEO at Harvey.\n\n### What does Guardrails AI (Harvey) make?\n\nAnchor Terminal lists Guardrails AI from Guardrails AI (Harvey). Open-source Python framework for validating LLM inputs and outputs, with configurable actions for failed checks and an API server.\n\n### Who has invested in Guardrails AI (Harvey)?\n\nThe sources our research read name Zetta Venture Partners, Bloomberg Beta, Pear VC, Factory, GitHub, Microsoft, Ian Goodfellow, Logan Kilpatrick and Lip-Bu Tan.\n\n### How are Winston's tools graded?\n\nGuardrails AI is graded D, 49.8 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.\n\n## Sources\n\n- https://guardrailsai.com/blog/guardrails-ai-joins-harvey\n- https://x.com/ShreyaR\n- https://x.com/zaydsimjee\n- https://guardrailsai.com/\n- https://guardrailsai.com\n- https://x.com/guardrails_ai\n- https://guardrailsai.com/docs\n- https://guardrailsai.com/guardrails/docs/help\n- https://discord.com/invite/kVZEnR4WQK\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. To correct something, send an about or a photo, or have a page removed, write to privacy@anchorterminal.com.\n",
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