# Justin Beckwith

> Justin Beckwith is openAI engineering leader; Guardrails repository contributor. OpenAI Guardrails on Anchor Terminal, with grades, an about and public profiles.

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- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)
- Updated: 2026-10-28

OpenAI engineering leader; Guardrails repository contributor.

- LinkedIn: https://www.linkedin.com/in/beckwith

## What Justin builds

- [OpenAI Guardrails](https://www.anchorterminal.com/tools/openai-guardrails.md), graded B, 69.5/100, in Guardrails & safety filters. OpenAI's open-source Python library that wraps the OpenAI client and runs configured checks on inputs, outputs and tool calls, including moderation, jailbreak, prompt injection, personal data, URL and off-topic checks. It is labelled a preview. OpenAI engineering leader; Guardrails repository contributor, researched 2026-10-27.

## Works with

- [Andrej Karpathy](https://www.anchorterminal.com/people/andrej-karpathy/), Co-founder, OpenAI
- [Durk Kingma](https://www.anchorterminal.com/people/durk-kingma/), Co-founder, OpenAI
- [Elon Musk](https://www.anchorterminal.com/people/elon-musk/), Co-founder, OpenAI
- [Greg Brockman](https://www.anchorterminal.com/people/greg-brockman/), Co-founder, OpenAI
- [Hannah Koch](https://www.anchorterminal.com/people/hannah-koch/), Product Manager, Codex
- [Ian Kivlichan](https://www.anchorterminal.com/people/ian-kivlichan/), Safety researcher; credited Moderation model contributor
- [Ilya Sutskever](https://www.anchorterminal.com/people/ilya-sutskever/), Co-founder, OpenAI
- [John Hallman](https://www.anchorterminal.com/people/john-hallman/), Credited gpt-oss contributor; post-training researcher
- [John Schulman](https://www.anchorterminal.com/people/john-schulman/), Co-founder, OpenAI
- [Justin Uberti](https://www.anchorterminal.com/people/justin-uberti/), Head of Realtime AI; Member of Technical Staff
- [Nikunj Handa](https://www.anchorterminal.com/people/nikunj-handa/), Head of Product, OpenAI API
- [Pamela Vagata](https://www.anchorterminal.com/people/pamela-vagata/), Co-founder, OpenAI
- [Rennie Song](https://www.anchorterminal.com/people/rennie-song/), Member of Technical Staff; Dots engineer
- [Sam Altman](https://www.anchorterminal.com/people/sam-altman/), Co-founder, OpenAI
- [Trevor Blackwell](https://www.anchorterminal.com/people/trevor-blackwell/), Co-founder, OpenAI
- [Vicki Cheung](https://www.anchorterminal.com/people/vicki-cheung/), Co-founder, OpenAI
- [Wojciech Zaremba](https://www.anchorterminal.com/people/wojciech-zaremba/), Co-founder, OpenAI

## Backed by

- [SoftBank](https://www.anchorterminal.com/investors/softbank/)
- [Thrive Capital](https://www.anchorterminal.com/investors/thrive-capital/)
- [Microsoft](https://www.anchorterminal.com/investors/microsoft/)
- [NVIDIA](https://www.anchorterminal.com/investors/nvidia/)
- [Altimeter Capital](https://www.anchorterminal.com/investors/altimeter-capital/)
- [Coatue](https://www.anchorterminal.com/investors/coatue/)
- [Khosla Ventures](https://www.anchorterminal.com/investors/khosla-ventures/)
- [Fidelity Investments](https://www.anchorterminal.com/investors/fidelity-investments/)
- [MGX](https://www.anchorterminal.com/investors/mgx/)
- [Tiger Global](https://www.anchorterminal.com/investors/tiger-global/)

## Questions

### Who is Justin Beckwith?

Justin Beckwith is openAI engineering leader; Guardrails repository contributor.

### What does OpenAI make?

Anchor Terminal lists OpenAI Guardrails from OpenAI. OpenAI's open-source Python library that wraps the OpenAI client and runs configured checks on inputs, outputs and tool calls, including moderation, jailbreak, prompt injection, personal data, URL and off-topic checks. It is labelled a preview.

### Who has invested in OpenAI?

The sources our research read name SoftBank, Thrive Capital, Microsoft, NVIDIA, Altimeter Capital, Coatue, Khosla Ventures, Fidelity Investments, MGX and Tiger Global.

### How are Justin's tools graded?

OpenAI Guardrails is graded B, 69.5 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.

## Sources

- https://github.com/openai/openai-guardrails-python
- https://github.com/jbeckwith-oai
- https://jbeckwith.com
- https://www.linkedin.com/in/beckwith
- https://openai.com/index/introducing-openai/
- https://x.com/sama/with_replies?lang=en
- https://x.com/gdb/with_replies
- https://x.com/ilyasut/with_replies
- https://x.com/woj_zaremba/with_replies
- https://openai.com/
- https://help.openai.com/en/articles/6614161-how-can-i-contact-support

These 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.

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