# Jon Gelsey

> Jon Gelsey is a seed investor in Seattle backing Software and FinTech. See 8 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: Angel Investor
- Location: Seattle, United States
- Total investments: 8
- Last investment: Nov 2023
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/jongelsey

Jon Gelsey is a seed investor in Seattle focused on Software and FinTech. Ex-CEO of Xnor.ai, which created deep neural network machine learning models that enable powerful AI even on highly resource-constrained platforms. Xnor was acquired by Apple in January 2020.Ex-CEO of Auth0, an IDaaS that eliminates the friction of identity for apps, APIs & IoT, as it grew from 5 employees to nearly 300 employeesinternationally. Auth0 has raised a over $100M in venture capital from top-tier investors. During Jon's tenure as CEO, Auth0 acquired customers in 100+ countries, developed an engineering, marketing, sales, finance and ops team that was distributed across 35 countries, with offices in Bellevue, London, Buenos Aires and Sydney, and a valuation exceeding a half-billion dollars.Broad and deep experience with VC/M&A deal analysis, evaluation, structuring, and execution, specializing in deals with complex tech & biz model components. Excellent negotiation skills. Excels in senior leadership positions charting new territories in technologies, products or business models.Publicly disclosed xactions at Microsoft: Greenfield Online, Powerset, Kidaro, Calista, Multimap, N-trig, Tellme, StorSimple, HLW Software, and Apiphany. These deals generated $1.6B+ in incremental operating income to Microsoft; Jon led 1/3 of all of Microsoft's acquisitions closed in '13 .Product management for the Convex Exemplar SPP-1xxx (acquired by HP to become the Superdome server line), and Mentor Calibre (most successful product of all time for the company).System architecture & design projects include the most successful minisupercomputer of all time (Convex C2), world's first commercially available GaAs supercomputer (Convex C3), and the massively parallel Convex SPP, which became the HP Superdome. IC design experience includes CMOS, ECL and GaAs memory & cache controllers, as well as CPU arithmetic units.Inventor of U.S. patent 7,108,933 "Thermally efficient hydrogen storage system" (pertains to fuel cells).

## Contacts

5 contacts available for Jon Gelsey: work email, personal email, work phone, personal phone and socials. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-email/jon-gelsey?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $3M–$9M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 5 | 63% |
| FinTech | 1 | 13% |
| Incubators | 1 | 13% |
| Developer APIs | 1 | 13% |
| Venture Capital | 1 | 13% |

14 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 5 | 63% |
| Pre-Seed | 1 | 13% |
| Funding Round | 1 | 13% |
| Venture - Series Unknown | 1 | 13% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Zuplo | Programmable API management for developers. Simpler, better alternative to Apigee and Kong | $9M | Seed | Nov 08, 2023 |  |
| CommandK | CommandK provides companies with the infrastructure to protect their sensitive data. | $3M | Seed | Feb 16, 2023 |  |
| Trinsic | Trinsic is a full-stack self-sovereign identity platform that makes sharing and verifying personal data online. | $8.5M | Seed | Jun 28, 2022 |  |
| Magnify | Magnify is a post-sales orchestration platform and uses AI and Machine Learning to optimize and automate the customer lifecycle for enterprise software. From emails to training videos to in-product interactions to customer success platforms, Magnify creates the ideal sequence and timing of the customer interactions. Designed to drive deep adoptionand usage in a customer account, Magnify will identify where churn or expansion is likely and automatically launch the appropriate action in software. | $6M | Seed | Nov 01, 2021 |  |
| Madrona Venture Labs | Madrona Venture Labs is a startup studio that builds companies from scratch. Madrona Venture Labs is based in Seattle and housed at Madrona Venture Group. The studio makes use of money from its funds to incubate concepts and recruit a management crew to ultimately run the enterprise.Founded in 2014, MVL has spun out greater than a dozen firms,together with some that had been later acquired by Nordstrom, Uber, and Mailchimp. | $8M |  | May 29, 2021 |  |
| Madrona Venture Labs | Madrona Venture Labs is a startup studio that builds companies from scratch. Madrona Venture Labs is based in Seattle and housed at Madrona Venture Group. The studio makes use of money from its funds to incubate concepts and recruit a management crew to ultimately run the enterprise.Founded in 2014, MVL has spun out greater than a dozen firms,together with some that had been later acquired by Nordstrom, Uber, and Mailchimp. | $8M | Venture - Series Unknown | May 29, 2021 |  |
| Plus | Plus is a software company that captures, views, and shares current data from any source. Customers are using Plus to visualize their customer funnel and operations across disconnected tools, communicate with partners and suppliers, and automate recurring updates. Take a "Live Snapshot" of any website or application — don't worryabout APIs, integrations, etc. — to turn data into live insights that stay updated, and share it with the team, partners, customers, and other collaborators. | $5.5M | Seed | Mar 29, 2021 |  |
| Pixel8earth | Pixel8earth is building a crowdsourced and perpetually updating 3D map of the world for machines+humans. We fuse computer vision and geomatics to enable commodity video and photos to generate georeferenced 3D point clouds and meshes. This allows multiple high-volume data sources to be utilized to generate and perpetually update 3D maps of theglobe. The accuracy of the 3D maps to a survey baseline is 25-50 cm RMSE absolute accuracy. Visual Positioning Systems (VPS) operating from feature databases generated by the 3D maps have ~2m location accuracy and within 6.25-degree rotational accuracy. | $460K | Pre-Seed | Nov 01, 2020 |  |

8 of 8 investments shown.

## Co-investors
- [Madrona](https://shizune.co/investors/profile/madrona-venture-group) — VC Fund, 5 deals together
- [boldstart ventures](https://shizune.co/investors/profile/boldstart-ventures) — VC Fund, 2 deals together
- [Trilogy Equity Partners](https://shizune.co/investors/profile/trilogy-equity-partnership) — VC Fund, 2 deals together
- [All in capital](https://shizune.co/investors/profile/all-in-capital) — VC Fund, 1 deal together
- [BoxGroup](https://shizune.co/investors/profile/boxgroup) — VC Fund, 1 deal together
- [Decibel Partners](https://shizune.co/investors/profile/decibel-vc) — VC Fund, 1 deal together

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## FAQ

### What does Jon Gelsey invest in?

Jon Gelsey invests primarily in Software, FinTech and Incubators startups, most often at Seed and Pre-Seed stage. Most of the 8 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Jon Gelsey's check size?

Jon Gelsey typically joins rounds of $3M–$9M at Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Jon Gelsey participates in.

### How do I contact Jon Gelsey?

Public channels for Jon Gelsey 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 Jon Gelsey last invest?

The most recent investment recorded for Jon Gelsey closed in Nov 2023. Shizune tracks 8 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 Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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