# Guy Goldstein

> Guy Goldstein is a seed investor backing Software and Mobile Apps. See 1 investment, round sizes, portfolio and contact details. Updated Aug 2026.

- Type: Angel Investor
- Total investments: 1
- Last investment: Feb 2015
- Lead investor: 100%
- Last updated: Aug 2026

Guy Goldstein is a seed investor focused on Software and Mobile Apps. Guy Goldstein

## Contacts

5 contacts available for Guy Goldstein: 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/guy-goldstein-8f35?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 1 | 100% |
| Mobile Apps | 1 | 100% |
| Real Estate | 1 | 100% |
| Construction | 1 | 100% |
| Task Management | 1 | 100% |

6 industries tracked in total.

## Investments

| Company | Description | Round size | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Buildup | Buildup was designed with construction and development professionals in mind, providing an easy to use collaboration tool for task management, punch list and inspections. The mobile-first application allows users to document conditions, request action and communicate in the built environment. Used by owners, developers, GCs, subcontractors,architects/3rd party consultants and property managers, Buildup ensures that everyone is “on the same page” and projects are completed on-time. | $1.6M | Seed | Feb 01, 2015 | http://buildup.co/ |

1 of 1 investments shown.

## Co-investors
- [UpWest](https://shizune.co/investors/profile/upwest-labs) — VC Fund, 1 deal together

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## Featured in investor lists
- [Construction Angel Investors in United States](https://shizune.co/investors/construction-angel-investors-united-states)

## FAQ

### What does Guy Goldstein invest in?

Guy Goldstein invests primarily in Software, Mobile Apps and Real Estate startups, most often at Seed stage. Most of the 1 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 Guy Goldstein?

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 Guy Goldstein last invest?

The most recent investment recorded for Guy Goldstein closed in Feb 2015. Shizune tracks 1 investment 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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