Daniel Vassilev, Founder of Relevance AI

About Daniel Vassilev

Daniel Vassilev is the founder of Relevance AI, a company that builds an agent operating system enabling subject-matter experts to create and deploy specialized AI agents. The company recently secured $24 million in Series B funding, which will be used to accelerate the development of features like a visual multi-agent system builder and a text-to-agent generator. Relevance AI has seen significant adoption, with 40,000 agents created on its platform in January 2025 alone.

Daniel Vassilev at a glance

• Company: Relevance AI
• Total raised: $42M
• Latest round: Series B
• Investors: Bessemer Venture Partners, King River Capital, Insight Partners, Peak XV
• Location: San Francisco, United States

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