# Alex Sirota

> Alex Sirota is a startup investor at UpWest (San Francisco). See 0 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [UpWest](https://shizune.co/investors/profile/upwest-labs)
- Location: San Francisco, United States
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/asirota
- X (Twitter): https://twitter.com/iosart
- Website: https://www.iosart.com
- Facebook: https://www.facebook.com/iosart

Alex Sirota is a startup investor at UpWest in San Francisco. Alex Sirota is the Entrepreneur, Investor and Advisor of iosart labs. He previously worked at Loop Commerce as a Co-Founder, Chief Product and Technology Officer. Alex Sirota attended Technion - Israel Institute of Technology.

## About UpWest

VC Fund · Palo Alto, United States

UpWest is a Silicon Valley-based seed fund investing in Israel’s most promising entrepreneurs. UpWest is focused on a hands-on approach to supercharge the growth of its startups, providing the essential ingredients for success: seed funding, proximity and access to markets and capital, and a supportive community of talented peers. For moreinformation, visit upwest.vc.

5 contacts available at UpWest.

| Name | Title | Profile |
| --- | --- | --- |
| Alex Sirota | Mentor | https://shizune.co/investors/profile/alex-sirota |
| Don Loeb | Mentor | https://shizune.co/investors/profile/don-loeb |
| Gil Ben-Artzy | Founding Partner | https://shizune.co/investors/profile/gil-ben-artzy |
| Guy Hirsch | Mentor | https://shizune.co/investors/profile/guy-hirsch |
| Jeff Tannenbaum | Mentor | https://shizune.co/investors/profile/jeff-tannenbaum |

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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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