# Ryan Slack

> Ryan Slack is a seed investor in New York backing Big Data and Real Estate. See 3 investments, round sizes, portfolio and contact details. Updated Aug 2026.

- Type: Angel Investor
- Location: New York, United States
- Total investments: 3
- Last investment: Jun 2019
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: http://www.linkedin.com/in/ryanslack

Ryan Slack is a seed investor in New York focused on Big Data and Real Estate. Ryan Slack is the CEO of GreenPearl Events. He attended Stanford University Graduate School of Business.

## Contacts

5 contacts available for Ryan Slack: 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/ryan-slack?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Big Data | 2 | 67% |
| Real Estate | 2 | 67% |
| Commercial Real Estate | 2 | 67% |
| SaaS | 1 | 33% |
| Retail | 1 | 33% |

12 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 2 | 67% |
| Pre-Seed | 1 | 33% |

## Investments

| Company | Description | Round size | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Arconex | Arconex - Vertical AI SaaS for the Architecture, Engineering & Construction (AEC) Industry. |  | Pre-Seed | Jun 01, 2019 | https://arconex.co |
| CompStak | CompStak uses a crowd-sourced model to gather real estate information for investors, brokers, asset managers, and appraisers. CompStak's wedge into the market is a platform for the exchange of commercial lease comps. Brokers, landlords, appraiser, and researchers use their site and submit comps on completed commercial lease transactions. Itwas founded in 2011 and headquartered in New York, United States. | $570K | Seed | Dec 31, 2012 | http://www.compstak.com |
| RetailMLS | RetailMLS (www.RetailMLS.com) is the #1 marketplace for retail space. Their goals are to (i) become the most comprehensive and user-friendly marketplace for retail real estate listings nationwide and (ii) establish themselves as the industry standard, homepage and system of record for retail real estate professionals. They streamline theprocess of marketing and searching for retail space by aggregating listings into an easy-to-use, standardized and low cost platform. RetailMLS provides all retail professionals, including landlords, brokers and tenants, immediate access to the information needed to get to negotiations and close deals faster! To learn more watch their video here: www.youtube.com/retailmls. |  | Seed |  | http://retailmls.com |

3 of 3 investments shown.

## Co-investors
- [Camber Creek](https://shizune.co/investors/profile/camber-creek) — VC Fund, 1 deal together
- [Expansion Venture Capital](https://shizune.co/investors/profile/expansion-venture-capital) — VC Fund, 1 deal together
- [FJ Labs](https://shizune.co/investors/profile/fj-labs) — VC Fund, 1 deal together
- [Mesa Ventures](https://shizune.co/investors/profile/mesa-ventures) — VC Fund, 1 deal together
- [Morado Ventures](https://shizune.co/investors/profile/morado-ventures-partners) — VC Fund, 1 deal together
- [Orrick Venture Fund](https://shizune.co/investors/profile/orrick-venture-fund) — VC Fund, 1 deal together

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## FAQ

### What does Ryan Slack invest in?

Ryan Slack invests primarily in Big Data, Real Estate and Commercial Real Estate startups, most often at Seed and Pre-Seed stage. Most of the 3 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact Ryan Slack?

Public channels for Ryan Slack 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 Ryan Slack last invest?

The most recent investment recorded for Ryan Slack closed in Jun 2019. Shizune tracks 3 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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