Dafina Toncheva is a General Partner at U.S. See sector focus.
Dafina Toncheva is a General Partner at U.S. Venture Partners, where she joined in 2012 and focuses on emerging enterprise technologies, especially enterprise SaaS applications and security. She has described her work as centered on the enterprise tech space, with cybersecurity as a particular area of interest. Public profile sources indicate her investing is oriented to early-stage companies, including seed and Series A/B activity, though USVP’s own site does not specify exact stage or check-size ranges. A third-party investor profile reports a typical investment range of $2.0M–$10.0M with a sweet spot around $6.0M, but this is not confirmed by USVP. Named portfolio companies and board companies include Arkose Labs, Carrot Fertility, Luma Health, Percepto, Raken, Surgical Safety Technologies, and Zero Networks. USVP also says she led the investment in Raken, which was acquired by Sverica in 2025. She has not been shown in the provided sources to have a substantial public writing footprint beyond interviews and profile materials.
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