# James B Gambrell

> James B Gambrell is a Series B investor in London backing Sports and Fashion. See 2 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: Angel Investor
- Location: London, United Kingdom
- Total investments: 2
- Last investment: Apr 2016
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/jaygambrell
- X (Twitter): https://twitter.com/JayGambrell
- Website: http://jamesgambrell.com

James B Gambrell is a Series B investor in London focused on Sports and Fashion. James B Gambrell - CEO @ Supponor

## Contacts

5 contacts available for James B Gambrell: 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/james-b-gambrell?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Sports | 1 | 50% |
| Fashion | 1 | 50% |
| E-Commerce | 1 | 50% |
| Advertising | 1 | 50% |
| Digital Media | 1 | 50% |

7 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series B | 1 | 50% |
| Funding Round | 1 | 50% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Estonia | 1 | 50% |
| United Kingdom | 1 | 50% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Supponor | Supponor is an innovative sports media and technology company whose DBRLive technology is revolutionizing perimeter advertising in sports. We replace traditional perimeter advertising in sports broadcasts with virtual, digital content. Fans across the world watching a live sporting event see live TV feeds identical in every way – but withpitch-side advertisements relevant to them.There are three core elements to what Supponor does:• We manage and operate DBRLive, a technically innovative and operationally robust media platform which integrates with live broadcasts • We create new value for rights holders by enhancing and acquiring packages of their perimeter billboard inventory • We deliver marketing opportunities to brands around the world looking to engage specific sports audiences with relevant marketingSupponor’s headquarters are in the UK, and our operations teams are continually on the road, working with local partners as specialists at live sporting events across the globe.Supponor’s highly skilled software engineers in the research and development team in Espoo, Finland, work constantly to refine and further develop the technology underpinning DBRLive, pushing boundaries to create new value for our clients and partners.Supponor is a privately-held company, owned by management, private investors and VC funds – Sports Investment Partners, Northzone, and Conor. | $9.9M | Series B | Apr 29, 2016 | http://www.supponor.com |
| Rakuten Fits Me | Fit Origin is the ultimate fit recommendation solution for eCommerce fashion retailers which puts fit and body shapes at the heart of the online shopping experience. It combines garment data and shopper data to determine which size garment will fit them, the way they want to wear it.Each shopper’s measurements are calculated based on height,weight, age and body shape. Deep statistical analysis of thousands of detailed body scans allows their data scientists to use these limited data points to infer high quality information about the shopper’s measurements.Every garment is analysed by their garment technologists, taking many factors into account including silhouette, stretch and fit preference. A shopper’s body measurements are used in conjunction with garment measurements to interpret how each size will fit a shopper.Fit Origin recommends the best size to fit shoppers, with the ability to compare sizes based on their own fit preferences.Their fit recommendation solution allows your shoppers to buy with confidence. At Rakuten Fits Me they are all about ‘Me’ fashion, not mass fashion. They are the only size and fit solution provider to align your product data with shopper body data so they get the perfect fit, first time, every time. | $5.3M |  | Oct 24, 2014 | http://www.fits.me |

2 of 2 investments shown.

## Co-investors
- [Conor Venture Partners](https://shizune.co/investors/profile/conor-venture-partners) — VC Fund, 2 deals together
- [SmartCap](https://shizune.co/investors/profile/as-smartcap) — VC Fund, 1 deal together
- [Entrepreneurs Fund](https://shizune.co/investors/profile/entrepreneurs-fund) — VC Fund, 1 deal together
- [Northzone](https://shizune.co/investors/profile/northzone-ventures) — VC Fund, 1 deal together
- [Tera Ventures](https://shizune.co/investors/profile/tera-ventures) — VC Fund, 1 deal together

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### Similar stage
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## Featured in investor lists
- [Consumer Angel Investors in Estonia](https://shizune.co/investors/consumer-angel-investors-estonia)
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- [Consumer Investors in Estonia](https://shizune.co/investors/consumer-investors-estonia)

## FAQ

### What does James B Gambrell invest in?

James B Gambrell invests primarily in Sports, Fashion and E-Commerce startups, most often at Series B and Funding Round stage. Most of the 2 investments tracked by Shizune back companies in Estonia. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact James B Gambrell?

Public channels for James B Gambrell include LinkedIn, X (Twitter) and the website linked on this profile. 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 James B Gambrell last invest?

The most recent investment recorded for James B Gambrell closed in Apr 2016. Shizune tracks 2 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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