Cliff Haas is a Managing Director at Sigma Partners, whose known portfolio counts 10 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Managing Director at Sigma Partners, whose known portfolio counts 10 companies
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Investor Profile
Founders in the listed sectors AI, Climate, Commerce and Consumer, and focus areas Analytics, Cloud Infrastructure, Content and Customer Service fall inside that listing.
Sigma Partners appears in Growth and Seed rounds across its known deals.
The firm portfolio and the focus above give founders context on whether Cliff Haas matches their raise.
Colleagues at Sigma Partners
Frequently asked questions
Who is Cliff Haas?
Cliff Haas is a venture capital investor based in Menlo Park, California, United States, listed as Managing Director at Sigma Partners. The known portfolio of that firm counts 10 companies. That portfolio belongs to the firm, not to Cliff Haas personally.
What does Cliff Haas invest in?
Listed sectors include AI, Climate, Commerce and Consumer; listed focus areas include Analytics, Cloud Infrastructure, Content and Customer Service. 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 Cliff Haas invest at?
Sigma Partners appears in Growth and Seed rounds across its known deals, and Cliff Haas is listed there as Managing Director. 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 Cliff Haas listed at?
Cliff Haas is listed as Managing Director at Sigma Partners. 4 other people in the database share a firm with Cliff Haas.
How do I contact Cliff Haas?
A LinkedIn page is on file for Cliff Haas. It is readable inside RaiseHunt after you create an account. The database holds no email address and 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