# Eric O'Brien

> Eric O'Brien is a seed investor in Munich backing Mobile and Messaging. See 1 investments, check sizes, portfolio and contact details. Updated Sep 2026.

- Type: Angel Investor
- Location: Munich, Germany
- Total investments: 1
- Last investment: Jun 2015
- Lead investor: 0%
- Last updated: Sep 2026

Eric O'Brien is a seed investor in Munich focused on Mobile and Messaging. Eric O'Brien

## Contacts

5 contacts available for Eric O'Brien: 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/eric-o-brien?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Mobile | 1 | 100% |
| Messaging | 1 | 100% |
| Real Time | 1 | 100% |
| Advertising | 1 | 100% |
| Ad Targeting | 1 | 100% |

9 industries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Matchinguu GmbH | We are a mobile ad-tech company. Our goal is to change the way app publishers and advertisers interact with audiences.Through our realtime push- and proximity-marketing platform we empower engagement that is more targeted and highly relevant. We believe that optimizing audience sizes for relevance will always lead to the highest customersatisfaction and conversion. A seamless flow between the physical reality and the digital world is optimizing ROI for our app publishers. By connecting apps in our network, we provide new options to grow traffic and deliver innovative monetization opportunities without being intrusive to their users. | $327.8K | Seed | Jun 01, 2015 | https://x.com/matchinguu |

1 of 1 investments shown.

## Co-investors
- [itinnovativ GmbH](https://shizune.co/investors/profile/itinnovativ-gmbh) — VC Fund, 1 deal together
- [MING Labs](https://shizune.co/investors/profile/ming-labs-gmbh) — VC Fund, 1 deal together
- [That Venture GmbH](https://shizune.co/investors/profile/that-venture-gmbh) — VC Fund, 1 deal together
- [Wayra](https://shizune.co/investors/profile/wayra) — VC Fund, 1 deal together

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## Featured in investor lists
- [Mobile Advertising Angel Investors in Germany](https://shizune.co/investors/mobile-advertising-angel-investors-germany)
- [Mobile Advertising Angel Investors in Europe](https://shizune.co/investors/mobile-advertising-angel-investors-europe)

## FAQ

### What does Eric O'Brien invest in?

Eric O'Brien invests primarily in Mobile, Messaging and Real Time startups, most often at Seed stage. Most of the 1 investments tracked by Shizune back companies in Germany. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact Eric O'Brien?

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 Eric O'Brien last invest?

The most recent investment recorded for Eric O'Brien closed in Jun 2015. 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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