Fundraising Fox
Dafina Toncheva
InvestorGeneral Partner at US Venture Partners · Board director at Surgical Safety Technologies · Board director at Delfina Care · Board director at Arkose Labs
Menlo Park, California
Writes $2M – $10M checks · typically $6M
Find your path to Dafina
681 people in our graph share verified history with Dafina — schools, employers, funds. One of them is your warm intro.
About
Dafina Toncheva joined USVP in 2012 as a General Partner investing in emerging enterprise technologies, focusing on enterprise SaaS applications and security. Before USVP she was a Principal at Tugboat Ventures and an investor at Venrock, and earlier held development and product roles at Microsoft.
Contact· self-published, not guessed
Invests in
CybersecurityEnterprise SoftwareSaaS
Board director at Surgical Safety Technologies
Intro paths
In turn, Dafina can intro founders to Surgical Safety Technologies's investors below.
Surgical Safety Technologies's investors · 2
Co-founders at Surgical Safety Technologies
Board director at Delfina Care
Intro paths
In turn, Dafina can intro founders to Delfina Care's investors below.
Delfina Care's investors · 13
Co-founders at Delfina Care
Board director at Arkose Labs
Intro paths
In turn, Dafina can intro founders to Arkose Labs's investors below.
Arkose Labs's investors · 9
Co-founders at Arkose Labs
Experience
- U.S. Venture PartnersGeneral Partnercurrent2012 — presentMenlo Park, CA
- Percepto - Autonomous DronesBoard Member and Lead Investorcurrent2019 — presentIsrael
- Carrot FertilityBoard Member and Lead Investorcurrent2020 — presentSan Francisco Bay Area
- Raken, Inc.Board Member and Lead Investorcurrent2018 — presentGreater San Diego Area
- Arkose LabsBoard Member and Lead Investorcurrent2018 — presentSan Francisco Bay Area
- Luma HealthBoard Member and Lead Investorcurrent2017 — presentSan Francisco Bay Area
- InsideSales.com (acq. by Aurea)Board Member and Lead Investor2012 — 2021Provo, Utah Area
- Kenna Security (acq by Cisco)Board Observer and Lead Investor2012 — 2021
- Prevoty (acq by Imperva)Board Member and Lead Investor2015 — 2018Greater Los Angeles Area
- MATRIXX Software inc.Board member and Lead Investor2010 — 2012
- Aria SystemsBoard Observer2008 — 2012
- Risk I/OBoard Of Directors2010 — 2012
- Cloudflare, Inc.Lead Investor2009 — 2010
- VenrockInvestor2008 — 2010
- Bain&CoConsultant2007
- MicrosoftProgram Manager2002 — 2006
- MicrosoftSoftware Design Engineer2002 — 2004
Skills & more
From Dafina's professional profile.
Deals · 7
Surgical Safety TechnologiesBoard seat
via US Venture Partners · filed Mar 2026 · $20.2M raise
Delfina CareBoard seat
via US Venture Partners · filed Feb 2025 · $17.4M raise
Arkose LabsBoard seat
via US Venture Partners · filed May 2021 · $70M raise
ApptimizeBoard seat
via US Venture Partners · filed Aug 2016 · $12.4M raise
InsideSalesBoard seat
via US Venture Partners · filed Mar 2015 · $90M raise
StarMobileBoard seat
via US Venture Partners · filed Mar 2015 · $3M raise
RakenLed round
Attribution from SEC filings, press coverage, and firm rosters.
Other disclosed investments
Led
CloudflareLuma Health
Board seats
Carrot FertilityLuma HealthPerceptoPrevotyZero Networks
Investor
AimbientAria SystemsAtria SystemsCarrotCarrot FertilityDelfinaKenna SecurityMatrixx SoftwareNfiniteOptimize HealthPerceptoPrevotySepioTrust LabZero Networks
Sources: the firm's website · curated public sources · SEC Form D filings.
Colleagues at US Venture Partners
Network8
Investors connected to Dafina in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Dafina Toncheva?
- Dafina Toncheva joined USVP in 2012 as a General Partner investing in emerging enterprise technologies, focusing on enterprise SaaS applications and security. Before USVP she was a Principal at Tugboat Ventures and an investor at Venrock, and earlier held development and product roles at Microsoft.
- Where does Dafina Toncheva work?
- Dafina Toncheva is General Partner at US Venture Partners and Board director at Surgical Safety Technologies and Board director at Delfina Care and Board director at Arkose Labs.
- What does Dafina Toncheva invest in?
- Dafina Toncheva invests in Cybersecurity, Enterprise Software, SaaS.
- What check size does Dafina Toncheva write?
- Dafina Toncheva typically writes checks of $2M – $10M.
- What boards does Dafina Toncheva sit on?
- Dafina Toncheva holds tracked board seats at Apptimize, Arkose Labs, Arkose Labs, Carrot Fertility, Delfina Care, InsideSales, Luma Health, Percepto, Prevoty, StarMobile.
- What companies has Dafina Toncheva invested in?
- Investments tracked here include Cloudflare, Luma Health, Raken, Aimbient, Apptimize, Aria Systems, Arkose Labs, Atria Systems, Carrot, Carrot Fertility, Delfina, InsideSales, and 11 more.
- Where did Dafina Toncheva go to school?
- Dafina Toncheva studied at Stanford University Graduate School of Business (MBA); Harvard University (BA, Computer Science).
- Does Dafina Toncheva lead rounds?
- Yes — Dafina Toncheva has led 3 tracked investments.
Same school
Also attended Stanford University Graduate School of Business2,000
+ 1,994 more
Also attended Harvard University2,000
+ 1,994 more
Shared employers
Also worked at Carrot Fertility7
+ 1 more
Also worked at Raken, Inc.4
Also worked at Risk I/O17
+ 11 more
Also worked at Venrock88
+ 82 more