Stuart Davidson
Angel Investor
San Francisco, United States
Stuart Davidson is a seed investor in San Francisco focused on Information Technology and Audio. Stuart Davidson - Co-Founder & Chairman @ Sonen Capital
- Total investments:
- 3
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries Stuart Davidson invests in
Stages Stuart Davidson invests in
Countries Stuart Davidson invests in
Contacts
| Type | Contact | Validation |
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Investment Focus
Industry
- Information Technology 2 (67%)
- Audio 1 (33%)
- Mobile 1 (33%)
- Big Data 1 (33%)
- Internet 1 (33%)
Stage
- Seed 1 (33%)
- Series B 1 (33%)
- Convertible Note 1 (33%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Ionos Networks is a stealth mode technology company that redefines networking through improvement. It was founded with the support of companies such as Cisco, Juniper, HP, Alcatel, and several other startups, including Meru Networks, SiNett, Packet Engines, and others. Ionos Networks is based in San Jose, California. | $1M / Convertible Note / Mar 01, 2014 | ||
| PlaceIQ is a data and technology provider that powers critical business and marketing decisions with location data, analytics, and insights. An early industry pioneer, PlaceIQ has become the standard for fueling better outcomes for marketers, analysts, and publishers through powerful, location-based consumer insights, real-world measurement, andattribution. With PlaceIQ, companies can uncover opportunities within the consumer journey by learning about and connecting with location-based audiences, measuring real-world ROI, and applying insights that drive intelligent marketing and successful business outcomes. | $1M / Seed / Apr 05, 2011 | ||
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Jangl
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Jangl is an end-to-end weblead and phone call distribution tracking platform. Jangl’s platform allows lead generators, aggregators, buyers and sellers to run their businesses by giving them tools like real-time ping/post bidding APIs, dynamic call IVRs, and advanced revenue-driven placement algorithms.Jangl provides its services to users ofFacebook (JanglMe application), Bebo, Plentyoffish.com, Match.com, Friendster, Tagged, FriendFinder, Fubar, and more, and also offers its services at Jangl.com.In late 2007, Jangl began testing a variety of ad placements in phone calls and SMS messages. One of its most recently partners - dating site Plentyoffish.com - will be a free service supported entirely by advertising. This advertising revenue stream will be Jangl's second, as the company has already been generating partner revenue since January 2007.In May 2008, it was revealed that the company's two founders had left for | $7M / Series B / Jul 17, 2006 |
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FAQ
What does Stuart Davidson invest in?
Stuart Davidson invests primarily in Information Technology, Audio and Mobile startups, most often at Seed and Series B stage. Most of the 3 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 Stuart Davidson?
Public channels for Stuart Davidson include LinkedIn. 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 Stuart Davidson last invest?
The most recent investment recorded for Stuart Davidson closed in Mar 2014. Shizune tracks 3 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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