Investor profile
Joshua Posamentier
Accelerator, Venture capital & Co-Founder and Managing Partner at Congruent Ventures, Advisor and Leadership Council at Activate
Joshua Posamentier works as a Co-Founder and Managing Partner at Congruent Ventures. The firm's known portfolio counts 13 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Co-Founder and Managing Partner at Congruent Ventures, whose known portfolio counts 13 companies
- Fervo Energy
- Meati
- Halcyon
- Avalanche Energy
- Ezra
- Zeno
- Bright Harbor
- AuX Labs
- Muon Space
- Cloneable
- For Days
- Terranova
- and 1 more
Advisor and Leadership Council at Activate, whose known portfolio counts 9 companies
- Vycarb
- Alva Energy
- Biosimo
- Found Energy
- Loamist
- Wild Microbes
- Semion
- CalWave Inc
- Cypris Materials
Investor Profile
Founders in the listed sectors AI, Climate, Commerce and FinTech, and focus areas Advanced Materials, AgriTech, Alt Protein and Biotech fall inside that listing.
Stage-wise, the deals at Congruent Ventures cluster around Growth, Late-Stage and Pre-Seed rounds.
The firm portfolio and the focus above give founders context on whether Joshua Posamentier matches their raise.
Colleagues
Aakrit Vaish
Founder
Mumbai, India
Matt Caspari
Fellowship Reviewer
Palo Alto, United States
Cristina Escoda
Managing Director
Brooklyn, United States
Eva Greene
Investor
Portland, United States
Marianne Wu
Venture Partner
Palo Alto, United States
Abe Yokell
Managing Partner
San Francisco, United States
Jeremy Pitts
Investor
Houston, United States
Cyrus Wadia
Investor
Portland, United States
Nikhil B. Gargeya
Investor
San Francisco, United States
Gray Robinson
Partner
San Francisco, United States
Kevin Kopczynski
Investor
San Francisco, United States
Tanuj Dutta
Partner
San Francisco, United States
Nicholas Adeyi
Investor
United States
Eliza Cushman
Partner
San Francisco, United States
Jackie Kossmann
Investor
San Francisco, United States
Frequently asked questions
Who is Joshua Posamentier?
Joshua Posamentier is an accelerator partner and venture capital investor based in San Francisco, California, United States, listed as Co-Founder and Managing Partner at Congruent Ventures. The known portfolio of that firm counts 13 companies. That portfolio belongs to the firm, not to Joshua Posamentier personally.
What does Joshua Posamentier invest in?
Listed sectors include AI, Climate, Commerce and FinTech; listed focus areas include Advanced Materials, AgriTech, Alt Protein and Biotech. 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 Joshua Posamentier invest at?
Congruent Ventures appears in Growth, Late-Stage and Pre-Seed rounds across its known deals, and Joshua Posamentier is listed there as Co-Founder and Managing 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 Joshua Posamentier listed at?
Joshua Posamentier is listed as Co-Founder and Managing Partner at Congruent Ventures. 15 other people in the database share a firm with Joshua Posamentier.
How do I contact Joshua Posamentier?
An email address, a phone number and a LinkedIn page are on file for Joshua Posamentier. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal