# Daniel Vassilev

> Daniel Vassilev is the co-founder and co-CEO of Relevance AI, a Sydney-born, San Francisco-expanded software company building a platform for teams of AI agents. A product-minded software engineer who made consumer apps used by millions while still young, Vassilev has spent the past several years turning an early bet on unstructured-data infrastructure into a broader argument: useful AI should be trained and delegated to like a teammate, while preserving approvals and human oversight.

- **Role:** Co-founder and Co-CEO at Relevance AI
- **Organizations:** Relevance AI, Vylar Pty. Ltd., INCUBATE
- **Education:** Advanced, University of Sydney, St Andrew's Cathedral School
- **Known for:** Built and monetized two consumer apps reported to have reached a combined audience of about seven million users., Co-founded Relevance AI and helped evolve it from unstructured-data infrastructure into a no-code multi-agent platform., Raised a US$24 million Series B for Relevance AI in 2025, with reported total company funding reaching US$37 million.

## Career timeline

- **High school** — Built a background-music app in about one week; it later reached roughly one million users.
- **2015-2020** — Co-founded and worked on consumer software through Vylar Pty. Ltd.; two apps ultimately reached a combined audience reported at about seven million users.
- **2017** — Received the Microsoft Research Prize at the University of Sydney for top performance in a final-year computer science course.
- **2018** — Began mentoring through the University of Sydney's INCUBATE startup program.
- **2020** — Co-founded Relevance AI in Sydney with Jacky Koh and Daniel Palmer.
- **2021** — Relevance AI presented itself as a developer-first vector platform for experimenting with unstructured data and announced an A$4 million round.
- **2023** — Relevance AI announced a US$10 million Series A and sharpened its mission around an AI workforce.
- **2025-05** — Relevance AI announced a US$24 million Series B led by Bessemer Venture Partners, bringing reported total funding to US$37 million.
- **2025** — Relocated to San Francisco to open Relevance AI's office and expand its U.S. go-to-market presence.

## Achievements

- Built and monetized two consumer apps reported to have reached a combined audience of about seven million users.
- Co-founded Relevance AI and helped evolve it from unstructured-data infrastructure into a no-code multi-agent platform.
- Raised a US$24 million Series B for Relevance AI in 2025, with reported total company funding reaching US$37 million.
- Received the Microsoft Research Prize at the University of Sydney in 2017.
- Represented Relevance AI at the Australian Innovation Showcase in Washington, D.C., during the Australian prime minister's 2023 U.S. state visit.

## Latest updates

- **2026-08** — Listed as a speaker for the 2026 AI Agent Conference in New York, representing Relevance AI as co-founder and co-CEO.
- **2025-06** — Bessemer Venture Partners published a founder interview outlining Relevance AI's goal of helping one million knowledge workers create specialized AI workforces.
- **2025-05** — Announced Relevance AI's US$24 million Series B, the launch of Workforce and Invent, and his relocation to San Francisco.
- **2025-03** — Appeared on RevOps FM to explain agent architecture, the distinction between copilot and autopilot, and the role of human approvals.

## Links

- Website: https://relevanceai.com
- LinkedIn: https://www.linkedin.com/in/daniel-vassilev
- Twitter/X: https://x.com/thedanvass

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Profile page: https://yespress.io/daniel-vassilev
Published by YesPress — https://yespress.io
Last updated: 2026-08-18