# Jonathan Ruffer

> Jonathan Ruffer is a angel investor in Rockford backing Apps and Mobile. See 1 investments, check sizes, portfolio and contact details. Updated Sep 2026.

- Type: Angel Investor
- Location: Rockford, United States
- Total investments: 1
- Last investment: Apr 2017
- Lead investor: 0%
- Last updated: Sep 2026
- LinkedIn: https://www.linkedin.com/in/jonathan-ruffer-25b40879

Jonathan Ruffer is a angel investor in Rockford focused on Apps and Mobile. Jonathan Ruffer - Founder & Chairman @ Ruffer

## Contacts

5 contacts available for Jonathan Ruffer: 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/jonathan-ruffer?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Apps | 1 | 100% |
| Mobile | 1 | 100% |
| Internet | 1 | 100% |
| Commercial | 1 | 100% |
| Publishing | 1 | 100% |

7 industries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Datafree | Connecting enterprises to their mobile audiences #datafree. | $3.8M | Angel | Apr 13, 2017 | https://datafr.ee |

1 of 1 investments shown.

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## Featured in investor lists
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## FAQ

### What does Jonathan Ruffer invest in?

Jonathan Ruffer invests primarily in Apps, Mobile and Internet startups, most often at Angel stage. Most of the 1 investments tracked by Shizune back companies in Australia. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact Jonathan Ruffer?

Public channels for Jonathan Ruffer 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 Jonathan Ruffer last invest?

The most recent investment recorded for Jonathan Ruffer closed in Apr 2017. Shizune tracks 1 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 Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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