Dafina Toncheva
General Partner @ U.S. Venture Partners
Menlo Park, United States
Dafina Toncheva is a Series B investor at U.S. Venture Partners in Menlo Park focused on Software and SaaS. Dafina Toncheva is based out of Menlo Park, California and is the General Partner of U.S. Venture Partners. Dafina previously worked at Arkose Labsas a Board Member. Dafina Toncheva attended the Stanford Graduate School of Business.
- Total investments:
- 39
- Last investment:
- Lead investor:
- 41%
Last updated:
For AI agents: llms.txt
Industries Dafina Toncheva invests in
Stages Dafina Toncheva invests in
Countries Dafina Toncheva invests in
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Investment Focus
Industry
- Software 11 (28%)
- SaaS 7 (18%)
- Health Care 6 (15%)
- Cyber Security 6 (15%)
- Mobile 4 (10%)
Stage
- Series B 11 (28%)
- Series A 10 (26%)
- Series C 6 (15%)
- Series D 3 (8%)
- Seed 2 (5%)
Country
- United States 16 (41%)
- Israel 2 (5%)
- Canada 1 (3%)
- France 1 (3%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Delfina provides a personalized prenatal care system that uses the power of data to keep moms and babies safe during pregnancy. Their data-driven approach is uncovering unique insights in prenatal care to pave the way for clinical innovation. | $17M / Series A / Jan 28, 2025 | ||
| Founded in 2016 by cybersecurity industry veterans, Sepio's HAC-1 is the first hardware access control platform that provides visibility, control, and mitigation to zero trust, insider threat, BYOD, IT, OT and IoT security programs. Sepio's hardware fingerprinting technology discovers all managed, unmanaged and hidden devices that areotherwise invisible to all other security tools. Sepio is a strategic partner of Munich Re, the world's largest reinsurance company, and Merlin Cyber, a leading cybersecurity federal solution provider. | $11M / Series B / Aug 13, 2024 | ||
| Zero Networks automates the development and enforcement of network access rules throughout an entire network. Its technology customizes who can access what in a network by learning how users and machines communicate. Zero Networks provides a bypass mechanism through a two-factor authentication wall on users’ mobile phones, ensuring unusual butlegitimate connections are not affected.With Zero Networks, there are no agents to deploy, no policies to configure, just airtight security for all users and machines. Zero Networks was founded in 2019 and is headquartered in Tel Aviv, Israel. | $20M / Series B / Dec 13, 2023 | ||
| Trust Lab develops software for social media platforms that helps in detecting misinformation, hate speech, and harmful content. | $15M / Series A / Jun 15, 2023 | ||
| Percepto is a developer of autonomous drone technology for inspection and surveillance.Drones hold the potential to disrupt multi-billion dollar industries including energy, security, insurance, agriculture, and more. Drones completely change the way inspection, measurement, surveillance, and deliveries are done today. Still, the main barrier tomaking them a must-have platform is the ability of drones to perform tasks autonomously.The company is at the forefront of redefining how industrial sites and critical infrastructure are holistically inspected and monitored, harnessing remote robotics to autonomously collect, aggregate, and analyze visual data.Leveraging its experience with Percepto Sparrow, the most deployed drone-in-a-box solution on the market, Percepto introduced Percepto AIM (Autonomous Inspection and Monitoring) the first end-to-end autonomous inspection and monitoring platform. Percepto AIM empowers the remote operation center of the future to assess risk, minimize downtime, drive efficiency, increase safety, and reduce operational costs. | $67M / Series C / Jun 12, 2023 | ||
| Surgical Safety Technologies delivers data-driven AI technology to hospitals for safe surgeries. It empowers surgeons with an objective assessment of technical and non-technical proficiency using academically validated frameworks. | $15M / Series A / May 04, 2023 | ||
| Founded in 2016 by cybersecurity industry veterans, Sepio's HAC-1 is the first hardware access control platform that provides visibility, control, and mitigation to zero trust, insider threat, BYOD, IT, OT and IoT security programs. Sepio's hardware fingerprinting technology discovers all managed, unmanaged and hidden devices that areotherwise invisible to all other security tools. Sepio is a strategic partner of Munich Re, the world's largest reinsurance company, and Merlin Cyber, a leading cybersecurity federal solution provider. | $22M / Series B / Oct 25, 2022 | ||
| Nfinite develops a cutting-edge CGI platform that leverages AI and 3D technology to help brands and retailers enhance their sales with limitless product visual experiences. Our new offering includes comprehensive AI training and fine-tuning services, utilizing high-quality synthetic data to tailor AI models for specific industry needs. Thisensures superior performance, reduced deployment times, and improved rendering efficiency, making us the ideal partner for AI-driven initiatives across various industries.The company was founded in 2017 and is based in the US and in France. | $100M / Series B / Jun 07, 2022 | ||
| Nfinite develops a cutting-edge CGI platform that leverages AI and 3D technology to help brands and retailers enhance their sales with limitless product visual experiences. Our new offering includes comprehensive AI training and fine-tuning services, utilizing high-quality synthetic data to tailor AI models for specific industry needs. Thisensures superior performance, reduced deployment times, and improved rendering efficiency, making us the ideal partner for AI-driven initiatives across various industries.The company was founded in 2017 and is based in the US and in France. | $15M / Series A / Feb 03, 2022 | ||
| Luma Health patients should be able to connect to their healthcare provider in a way that’s modern and mobile-first. Their services include healthcare, patients, appointments, scheduling, patient messaging, patient engagement, patient communication, public health, patient access, and more. | $130M / Series C / Nov 23, 2021 | ||
| See all 39 investments → | |||
Co-Investors
About U.S. Venture Partners
U.S. Venture Partners (USVP) is a venture capital partnership, helping entrepreneurs transform their ideas and efforts into world-changing companies. The firm focuses on early-stage ventures in information technology and health care, where innovation is unbridled and has led to the creation of economic wealth and millions of jobs over the past thirty-plus years of the firm's existence. Areas of particular interest to our investment professionals include enterprise software, IT security, consumer internet, mobile, and e-commerce, healthcare, and IT-enabled healthcare services. The USVP team consists of former entrepreneurs, technologists, corporate executives, financial professionals, and industry domain experts.
U.S. Venture Partners Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Phil Young
Senior Advisor
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Casey Tansey
General Partner
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Dafina Toncheva
General Partner
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Dale Holladay
CPA/CFO
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Jacques Benkoski
General Partner
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FAQ
What does Dafina Toncheva invest in?
Dafina Toncheva invests primarily in Software, SaaS and Health Care startups, most often at Series B and Series A stage. Most of the 39 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact Dafina Toncheva?
Public channels for Dafina Toncheva include LinkedIn and Facebook. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did Dafina Toncheva last invest?
The most recent investment recorded for Dafina Toncheva closed in Jan 2025. Shizune tracks 39 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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