James Jacob Hornthal, Angel Investor at James Hornthal, San Francisco, CA, United States — verified investor profile. See sector focus and contact routes.
About James Jacob Hornthal
James Hornthal is a San Francisco-based angel investor who typically invests $50,000–$100,000 in early-stage web, mobile, and content startups [4]. His portfolio includes notable companies such as Hipmunk, Flywire (which exited in 2021), Zignal Labs, and Localized, with a total of 18 recorded investments and 3 exits [4][6]. Hornthal’s distinctive thesis focuses on supporting portfolio companies with office space, consumer branding guidance for web services, and channel development assistance [4].
James Jacob Hornthal at a glance
Role
Angel Investor
Organization
James Hornthal
Location
San Francisco, CA, United States
Investor type
Individual/Angel
Focus areas
Mr. Jim Hornthal is the Co-Founder and serves as Chairman at Zignal Labs. He also serves as Venture Partner at Presidio Partners. He is Chief Executive Officer and Chairman at Triporati. He is the Board Member at Revinate. He also serves as a Venture Partner at Atrium Capital since 2001. He is a Co-Founder and serves as Chairman at M34 Capital. Before teaming with Atrium, a leading online travel services company. Jim became associated with Travelocity in 1999 when he orchestrated its merger with Preview Travel, an online consumer-oriented health service, and CNX Media, an entrepreneurial enterprise that produced broadcast and online programming for local television news departments. Jim received his MBA degree from Harvard Graduate School of Business, where he was a Baker Scholar, and an AB degree in Economics from Princeton Universi
Frequently asked about James Jacob Hornthal
What does James Jacob Hornthal invest in?
James Jacob Hornthal at James Hornthal (San Francisco, CA, United States) — sector focus: Mr. Jim Hornthal is the Co-Founder and serves as Chairman at Zignal Labs. He also serves as Venture Partner at Presidio Partners. He is Chief Executive Officer….
How do I contact James Jacob Hornthal?
James Jacob Hornthal's published profile links (website, LinkedIn or X where available) are listed on the StartupFundraising.com investor profile.
Where is James Jacob Hornthal based?
James Jacob Hornthal is based in San Francisco, CA, United States.
StartupFundraising tracks this investor record from SEC filings and announced rounds, updating focus, location and portfolio history as new data lands. Use it to gauge fit before an outreach, then widen the search to investors in San Francisco.
