# Mike Reiner

> Mike Reiner is a seed investor at City.AI (Amsterdam) backing Software and Analytics. See 6 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [City.AI](https://shizune.co/investors/profile/qdisrupt)
- Location: Amsterdam, The Netherlands
- Total investments: 6
- Last investment: Mar 2024
- Lead investor: 67%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/mikereiner
- X (Twitter): https://twitter.com/mikereiner
- Website: http://www.acrobator.vc
- Facebook: https://www.facebook.com/hi.mike.reiner

Mike Reiner is a seed investor at City.AI in Amsterdam focused on Software and Analytics. Purpose driven builder who has worked at the intersection of venture capital and entrepreneurship. Now General Partner at (pre-)seed stage venture capital firm Acrobator. Previously built a global artificial intelligence community in 80+ cities with City.ai and been sourcing series A stage deal flow whilst building the DataSeries network for theventure capital firm OpenOcean. Co-founded and managed the B2B Accelerator Startup Wise Guys (now more than 200 portfolio companies). Also used to cover venture capital business development for Amazon Web Services in EMEA and previously founded CCC Startups and Startup AddVenture, a global entrepreneurship network that produced events in 7 different countries reaching thousands of entrepreneurs. Had several other own endeavours and worked for IBM in strategic outsourcing and M&A. Supported many startups around the globe and have been a mentor at various incubators/accelerators such as Techstars.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 3 | 50% |
| Analytics | 2 | 33% |
| Information Technology | 2 | 33% |
| SaaS | 1 | 17% |
| Events | 1 | 17% |

23 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 3 | 50% |
| Pre-Seed | 3 | 50% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Estonia | 2 | 33% |
| United States | 2 | 33% |
| Lithuania | 1 | 17% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Binarly | Binarly is a global firmware and software supply chain security company founded in 2021. The company’s flagship Binarly Transparency Platform is an enterprise-class, AI-powered solution used by device manufacturers, OEMs, IBVs and product security teams to identify known and unknown vulnerabilities, misconfigurations and signs of malicious codeimplantation. Binarly’s validated remediation playbooks have significantly reduced the cost and time to respond to security exposures. Based in Los Angeles, California, Binarly brings decades of research and program analysis expertise to build solutions to protect businesses, critical infrastructure, and consumers around the world. | $10.5M | Seed | Mar 26, 2024 |  |
| DeRISK Business Solutions | DeRISK brings sophisticated data, risk modeling, and hedging practices to corporations and enterprises of any size. It integrates company data, and financial and business analytics to create state-of-the-art hedging solutions that increase transparency, and accountability, and save time and money. They offer an unmatched combination of skillsetessential for modern finance and treasury functions. | $1.1M | Pre-Seed | Dec 19, 2023 |  |
| Binarly | Binarly is a global firmware and software supply chain security company founded in 2021. The company’s flagship Binarly Transparency Platform is an enterprise-class, AI-powered solution used by device manufacturers, OEMs, IBVs and product security teams to identify known and unknown vulnerabilities, misconfigurations and signs of malicious codeimplantation. Binarly’s validated remediation playbooks have significantly reduced the cost and time to respond to security exposures. Based in Los Angeles, California, Binarly brings decades of research and program analysis expertise to build solutions to protect businesses, critical infrastructure, and consumers around the world. | $3.6M | Pre-Seed | Jun 08, 2022 |  |
| Stream Sage | Stream Sage produces interactive data-driven solutions for individual and enterprise video live streamers (massive interactive live events, esport, gaming, online music events etc.). Stream Sage’s tools enhance engagement and monetization by providing streamers with interactive overlays for video content, real-time insights, AI-based predictiverecommendations, and instant shopping (live commerce). | $1M | Seed | Dec 30, 2021 |  |
| Camorka | Estonian based startup getting people exited about brands and products through creative contests. |  | Seed |  |  |
| Actual Reports | A document generation platform combined with an easy-to-use editor and time-saving API for the developers. |  | Pre-Seed |  |  |

6 of 6 investments shown.

## Co-investors
- [Canaan Partners](https://shizune.co/investors/profile/canaan-partners) — VC Fund, 2 deals together
- [WestWave Capital](https://shizune.co/investors/profile/westwave-capital) — VC Fund, 2 deals together
- [Blu Venture Investors](https://shizune.co/investors/profile/blu-venture-investors) — VC Fund, 1 deal together
- [Cisco Investments](https://shizune.co/investors/profile/cisco-investments) — VC Fund, 1 deal together
- [Emerging Ventures](https://shizune.co/investors/profile/emerging-ventures) — VC Fund, 1 deal together
- [Liquid 2 Ventures](https://shizune.co/investors/profile/liquid2-ventures) — VC Fund, 1 deal together

## About City.AI

VC Fund · Amsterdam, The Netherlands

Artificial Intelligence is all too often associated only with futuristic technologies seen in movies or in the news. Yet what many people don’t realize is that technology disruptions have already been influencing their daily lives for more than a decade!The QDisrupt team aims to bring together existing insights and the latest news on ArtificialIntelligence and Cognitive Technologies that surrounds us – making these topics more accessible, and not just for the techies among us.

3 contacts available at City.AI.

| Name | Title | Profile |
| --- | --- | --- |
| Christoph Auer-Welsbach | Founding Director; Founding Director | https://shizune.co/investors/profile/christoph-auer-welsbach |
| Mike Reiner | Co-Founder | https://shizune.co/investors/profile/mike-reiner |
| Raphael Danilo | LA Ambassador | https://shizune.co/investors/profile/raphael-danilo |

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

## FAQ

### What does Mike Reiner invest in?

Mike Reiner invests primarily in Software, Analytics and Information Technology startups, most often at Seed and Pre-Seed stage. Most of the 6 investments tracked by Shizune back companies in Estonia. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Mike Reiner last invest?

The most recent investment recorded for Mike Reiner closed in Mar 2024. Shizune tracks 6 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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