Investor profile
Nir Polak
Venture capital & Insider - YL Advisory Board at YL Ventures, Venture Partner at SignalFire
Nir Polak is a Venture Partner at SignalFire, whose known portfolio counts 10 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Insider - YL Advisory Board at YL Ventures, whose known portfolio counts 9 companies
- MIND
- Native
- Opti
- Minimus
- Native Security
- Hush Security
- Miggo Security
- Novee Security
- Opti Security
Venture Partner at SignalFire, whose known portfolio counts 10 companies
- Moxie
- Qualified Health
- Patlytics
- Grow Therapy
- Solace
- Solid
- Mega
- Mercura
- Moody Pines
- Prudentia Sciences
Investor Profile
Founders in the listed sectors AI, Consumer, FinTech and Healthcare, and focus areas AI Infrastructure, AI-Native, Analytics and Asset Management fall inside that listing.
SignalFire appears in Growth, Pre-Seed and Seed rounds across its known deals.
The firm portfolio and the focus above give founders context on whether Nir Polak matches their raise.
Colleagues
Showing 20 of 40
Ben Davenport
Advisor
Palo Alto, United States
Walter Kortschak
Chairman Emeritus/Founding Investor
United States
Cory Levy
Advisor
United States
Chris Farmer
Founder & CEO
San Francisco, United States
Josh Constine
Venture Partner for consumer
San Francisco, United States
Chris Scoggins
Partner
Denver, United States
Justin Somaini
Angel Investor, Venture Capitalist and CSO
San Francisco, United States
Leonid Belkind
Insider
Israel
Ross Mason
Venture Partner
Geneva, Switzerland
Monica Zent
Advisor - Specialist Network
Sunnyvale, United States
Amichai Shulman
Venture Advisor
Israel
Ilya Kirnos
Founding Partner
Los Altos, United States
Tom Ryan
Fund Advisor
Los Angeles, United States
Ellen Blix
Partner
San Francisco, United States
Sooah Cho
Partner
San Francisco, United States
Wayne Hu
General Partner
San Francisco, United States
Michael Mangini
Partner
New York, United States
Ryan Wexler
Principal
New York, United States
Yuanling Yuan
Partner
San Francisco, United States
Yoav Leitersdorf
Managing Partner
San Francisco, United States
Frequently asked questions
Who is Nir Polak?
Nir Polak is a venture capital investor based in San Francisco, California, United States, listed as Venture Partner at SignalFire. The known portfolio of that firm counts 10 companies. That portfolio belongs to the firm, not to Nir Polak personally.
What does Nir Polak invest in?
Listed sectors include AI, Consumer, FinTech and Healthcare; listed focus areas include AI Infrastructure, AI-Native, Analytics and Asset Management. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Nir Polak invest at?
SignalFire appears in Growth, Pre-Seed and Seed rounds across its known deals, and Nir Polak is listed there as Venture Partner. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Nir Polak listed at?
Nir Polak is listed as Venture Partner at SignalFire. 40 other people in the database share a firm with Nir Polak.
How do I contact Nir Polak?
An email address and a LinkedIn page are on file for Nir Polak. The address stays masked on this page and is readable inside RaiseHunt after you create an account. The database holds no phone number for this profile.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal