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Joshua Posamentier
InvestorManaging Partner at Congruent Ventures
San Francisco Bay Area
Writes $100K – $5M checks · typically $1M
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About
Joshua Posamentier combines deep semiconductor and wireless-chip engineering, 50+ patents, a UC Berkeley physics degree and dual Columbia/Haas MBAs, focusing on engineering risk in climate hardware rather than subsidy-reliant models.
Contact· self-published, not guessed
Invests in
Climate TechDeep TechEnergyHardwareMobility & TransportationSaaS
Deals · 3
Pico MESBoard seat
via Congruent Ventures · filed Jun 2023 · $11.4M raise
EmergyBoard seat
via Congruent Ventures · filed Aug 2022 · $175M raise
Energetic InsuranceBoard seat
via Congruent Ventures · filed Oct 2021 · $7M raise
Attribution from SEC filings, press coverage, and firm rosters.
Other disclosed investments
Investor
Alloy EnterprisesApplied CarbonAvalanche EnergyBonsai RoboticsBright HarborEbb CarbonEnergetic CapitalEzraFervo EnergyFirst StreetFluxcoLydianMachina LabsMeatiMuon SpaceParallel SystemsPlanet FWDPolySpectraQuantumScapeRendered.aiRobigoSense PhotonicsSynopTeleSenseVEIRXtelligent
Sources: SEC Form D filings · curated public sources.
Colleagues at Congruent Ventures
Network1
Investors connected to Joshua in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Joshua Posamentier?
- Joshua Posamentier combines deep semiconductor and wireless-chip engineering, 50+ patents, a UC Berkeley physics degree and dual Columbia/Haas MBAs, focusing on engineering risk in climate hardware rather than subsidy-reliant models.
- Where does Joshua Posamentier work?
- Joshua Posamentier is Managing Partner at Congruent Ventures.
- What does Joshua Posamentier invest in?
- Joshua Posamentier invests in Climate Tech, Deep Tech, Energy, Hardware, Mobility & Transportation, SaaS.
- What check size does Joshua Posamentier write?
- Joshua Posamentier typically writes checks of $100K – $5M.
- What boards does Joshua Posamentier sit on?
- Joshua Posamentier holds tracked board seats at Alloy Enterprises, Bellwether, Emergy, Energetic Insurance, Ludwig Computing, Lydian, Parallel Systems, Pico MES, Sense Photonics, VEIR.
- What companies has Joshua Posamentier invested in?
- Investments tracked here include Alloy Enterprises, Applied Carbon, Avalanche Energy, Bonsai Robotics, Bright Harbor, Ebb Carbon, Energetic Capital, Ezra, Fervo Energy, First Street, Fluxco, Lydian, and 15 more.
About this profile. Compiled from public sources — Congruent Ventures's own website, regulatory filings and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights