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  "markdown": "Deno co-founder; Sandbox launch author; now Cloudflare workerd self-hosting lead.\n\nRyan Dahl created Node.js in 2009 and in 2018 announced Deno, a JavaScript and TypeScript runtime he co-created with Bert Belder. Deno Land, the company behind it, joined Cloudflare in October 2026, where he and Belder lead an effort to make self-hosting the workerd runtime a supported way to run Workers apps.\n\n- X: https://x.com/rough__sea\n\n## What Ryan builds\n\n- [Deno Sandbox](https://www.anchorterminal.com/tools/deno-sandbox.md), graded D, 50.4/100, in Code execution sandboxes. Deno Sandbox runs Linux microVMs on Deno Deploy for untrusted or AI-generated code. It is driven from the `@deno/sandbox` JavaScript SDK, the `deno-sandbox` Python SDK or the `deno sandbox` CLI, and launched in beta on 3 February 2026. Deno co-founder; Sandbox launch author; now Cloudflare workerd self-hosting lead, researched 2026-10-27.\n\n## Works with\n\n- [Bert Belder](https://www.anchorterminal.com/people/bert-belder/), Deno co-founder and CTO; now Cloudflare workerd self-hosting lead\n\n## Backed by\n\n- [Four Rivers](https://www.anchorterminal.com/investors/four-rivers/)\n- [Rauch Capital](https://www.anchorterminal.com/investors/rauch-capital/)\n- [Long Journey Ventures](https://www.anchorterminal.com/investors/long-journey-ventures/)\n- [Mozilla](https://www.anchorterminal.com/investors/mozilla/)\n- [Shasta Ventures](https://www.anchorterminal.com/investors/shasta-ventures/)\n- [Ben Noordhuis](https://www.anchorterminal.com/investors/ben-noordhuis/)\n- [Sequoia Capital](https://www.anchorterminal.com/investors/sequoia-capital/)\n- [Insight Partners](https://www.anchorterminal.com/investors/insight-partners/)\n- [Automattic](https://www.anchorterminal.com/investors/automattic/)\n- [Netlify](https://www.anchorterminal.com/investors/netlify/)\n- [Nat Friedman](https://www.anchorterminal.com/investors/nat-friedman/)\n- [Dylan Field](https://www.anchorterminal.com/investors/dylan-field/)\n\n## Questions\n\n### Who is Ryan Dahl?\n\nRyan Dahl created Node.js in 2009 and in 2018 announced Deno, a JavaScript and TypeScript runtime he co-created with Bert Belder. Deno Land, the company behind it, joined Cloudflare in October 2026, where he and Belder lead an effort to make self-hosting the workerd runtime a supported way to run Workers apps.\n\n### What does Deno Land Inc. make?\n\nAnchor Terminal lists Deno Sandbox from Deno Land Inc.. Deno Sandbox runs Linux microVMs on Deno Deploy for untrusted or AI-generated code. It is driven from the @deno/sandbox JavaScript SDK, the deno-sandbox Python SDK or the deno sandbox CLI, and launched in beta on 3 February 2026.\n\n### Who has invested in Deno Land Inc.?\n\nThe sources our research read name Four Rivers, Rauch Capital, Long Journey Ventures, Mozilla, Shasta Ventures, Ben Noordhuis, Sequoia Capital, Insight Partners, Automattic, Netlify, Nat Friedman and Dylan Field.\n\n### How are Ryan's tools graded?\n\nDeno Sandbox is graded D, 50.4 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.\n\n## Sources\n\n- https://deno.com/blog/introducing-deno-sandbox\n- https://deno.com/blog/cloudflare\n- https://blog.cloudflare.com/deno-joins-cloudflare/\n- https://x.com/rough__sea\n- https://www.linkedin.com/in/bertbelder\n- https://deno.com/\n- https://deno.com\n- https://www.linkedin.com/company/deno\n- https://docs.deno.com/sandbox/\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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