Joshua Posamentier
InvestorManaging Partner at Congruent Ventures Β· Board director at Lydian Β· Board director at Parallel Systems Β· Board director at Energetic Insurance
San Francisco Bay Area
Writes $100K β $5M checks Β· typically $1M
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.
ContactΒ· self-published, not guessed
Invests in
Climate TechDeep TechEnergyHardwareMobility & TransportationSaaS
Board director at Lydian
Intro paths
β
In turn, Joshua can intro founders to Lydian's investors below.
Lydian's investors Β· 9
CIBCToronto Β· $1.5M β $29.2M checks Β· since 2026Congruent VenturesSan Francisco Β· $100K β $5M checks Β· since 2026Galvanize Climate SolutionsSan Francisco Β· since 2023Global Founders CapitalBerlin Β· $637K β $32M checks Β· since 2023MUFGLondon Β· since 2026Overlap HoldingsHicksville Β· since 2023Overture ClimateSanta Monica Β· $1M β $3M checks Β· since 2023Union Square Ventures (USV)New York City Β· $1M β $8M checks Β· since 2023Voyager PartnersSan Francisco Β· $500K β $5M checks
Co-founders at Lydian
JR
Joe RoddenFounder
Board director at Parallel Systems
Intro paths
β
In turn, Joshua can intro founders to Parallel Systems's investors below.
Parallel Systems's investors Β· 5
Co-founders at Parallel Systems
JH
John HowardExecutive Officer, Director
MS
Matthew SouleExecutive Officer, Director
BS
Benjamin StablerFounder
MS
Matt SouleFounder
Board director at Energetic Insurance
Intro paths
β
In turn, Joshua can intro founders to Energetic Insurance's investors below.
Energetic Insurance's investors Β· 6
Clocktower VenturesSanta Monica Β· $100K β $20M checksCongruent VenturesSan Francisco Β· $100K β $5M checks Β· since 2021Greensoil PropTech VenturesToronto Β· since 2024MS&AD VenturesMenlo Park Β· $500K β $3M checks Β· since 2024Muus Climate PartnersNew York Β· since 2024SE VenturesMenlo Park Β· since 2024
Co-founders at Energetic Insurance
JB
James BowenExecutive Officer, Director, Promoter
JM
Jeffrey McAulayExecutive Officer, Director, Promoter
Experience
- Congruent VenturesCo-Founder and Managing Partnercurrent2016 β presentSan Francisco Bay Area
- Bright HarborInvestorcurrent2025 β present
- First StreetInvestorcurrent2024 β presentNew York, United States
- Bonsai RoboticsInvestorcurrent2023 β presentSan Jose, California, United States
- LydianBoard Directorcurrent2022 β presentBoston, Massachusetts, United States
- Muon SpaceBoard Directorcurrent2021 β presentMenlo Park, California, United States
- Applied CarbonBoard Directorcurrent2021 β present
- Planet FWDBoard Membercurrent2024 β present
- Pico MESBoard Membercurrent2020 β presentSan Francisco Bay Area
- AuX LabsBoard Membercurrent2024 β present
- Avalanche EnergyInvestorcurrent2021 β presentSeattle, Washington, United States
- Parallel SystemsBoard Membercurrent2020 β presentLos Angeles Metropolitan Area
- Rendered.AIInvestorcurrent2019 β presentGreater Seattle Area
- ClearPathAdvisorcurrent2026 β presentWashington, United States
- ActivateAdvisor and Leadership Councilcurrent2015 β presentBerkeley, CA
- polySpectraBoard Observercurrent2017 β presentBerkeley, CA
- Prime Impact FundInvestment Advisory Councilcurrent2018 β presentGreater Boston
- Energetic InsuranceBoard Membercurrent2017 β present
- Pivot BioInvestorcurrent2016 β present
- Sense Labs IncInvestorcurrent2015 β present
- Ripple FoodsInvestorcurrent2015 β presentEmeryville, CA
- QuantumScapeInvestorcurrent2013 β presentSanta Clara, California, United States
- TroveInvestorcurrent2013 β presentSan Francisco Bay Area
- Alloy Enterprises IncBoard Member2021 β 2026Somerville, Massachusetts, United States
- National Interscholastic Cycling Association (NICA)NICA Mountain Bike Coach (Volunteer)2020 β 2026Northern California
- Fox RoboticsInvestor2018 β 2026
- Meati FoodsInvestor2019 β 2025Boulder, CO
- Clean Energy TrustInvestment Committee Member2016 β 2025Greater Chicago Area
- Natron Energy (formerly Alveo Energy)Advisor and Investor2015 β 2025Santa Clara, CA
- PetraFormer Board Member, Investor2018 β 2024San Francisco Bay Area
- Bellwether CoffeeBoard Member2018 β 2023Berkeley, CA
- TeleSenseBoard Observer2018 β 2022Sunnyvale, CA
- Sense PhotonicsBoard Member2017 β 2022Raleigh-Durham-Chapel Hill Area
- Acceptto CorporationAdvisor2014 β 2021Hillsboro, OR
- Heliotrope Technologies, Inc.Board Member2013 β 2017Berkeley, CA
- Prelude VenturesPrincipal Partner2012 β 2017San Francisco
- SolarBridge TechnologiesInvestor2012 β 2015Austin, Texas Metropolitan Area
- Texas Instruments (Formerly National Semiconductor)Director of Strategy and New Product Development2008 β 2012Santa Clara, CA
- National SemiconductorDirector of Energy Storage and Smart Grid Groups2009 β 2011
- Blipstream, IncCo-Founder & Founding CEO2007 β 2009Oakland
Skills & more
Strategy DevelopmentStrategic Planning7Strategy81Leadership6Management6Business Creation2Semiconductors34Mobile1EntrepreneurCorporate Development5Product Development36Start-ups99
+12 more
Product ManagementBusiness StrategyProduct MarketingWirelessEntrepreneurshipProduct StrategyCross-functional Team LeadershipVenture CapitalMergersMarketing StrategyNew Business DevelopmentSaaSLanguages C Β· English Β· MySQL Β· PHP Β· Python Β· x86 ASM
From Joshua's professional profile.
Deals Β· 3
Pico MESBoard seat
via Congruent Ventures Β· filed Jun 2023 Β· $11.4M raise
EmergyBoard seat
via Congruent Ventures Β· filed Aug 2022 Β· $175M raise
Energetic InsuranceBoard seat
via Congruent Ventures Β· filed Oct 2021 Β· $7M raise
Attribution from SEC filings, press coverage, and firm rosters.
Other disclosed investments
Per SEC Form D filings.
Colleagues at Congruent Ventures
Abe Yokell
Managing Partner and Co-Founder at Congruent Ventures
Austin Pringle
Analyst at Congruent Ventures
Christina O'Conor
Partner at Congruent Ventures
Divyansh Saksena
Analyst at Congruent Ventures
Eliza Cushman
Partner at Congruent Ventures
Gray Robinson
Partner at Congruent Ventures
Hilla Watkins
Platform Partner at Congruent Ventures
HillΓ‘ Watkins
Platform Partner at Congruent Ventures
Network1
Investors connected to Joshua in public investor directories β 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 and Board director at Lydian and Board director at Parallel Systems and Board director at Energetic Insurance.
- 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 β $5M.
- What boards does Joshua Posamentier sit on?
- Joshua Posamentier holds tracked board seats at Alloy Enterprises, Bellwether, Emergy, Energetic Insurance, Ludwig Computing Inc., Lydian, Parallel Systems, Pico MES, Sense Photonics, VEIR.
- Where did Joshua Posamentier go to school?
- Joshua Posamentier studied at Columbia Business School (MBA, Finance); University of California, Berkeley, Haas School of Business (MBA, Venture Finance); University of California, Berkeley (BA, Physics with Honors).
Same school
Also attended Columbia Business School668
Ryan PetersenFounder & CEO of FlexportAryo TehranianManaging Director at Mayfair Equity PartnersYibo NianInvestment Director at Intel CapitalKesha CashFounder & General Partner at Impact America FundMahati SridharPartner, Rise of the Rest at RevolutionGiuseppe IademarcoHead of Global Partnership at P101 Ventures
+ 662 more
Also attended University of California, Berkeley, Haas School of Business616
Mark FiorentinoInvestor at Index VenturesRishi ModiInvestor at GV (Google Ventures)Yibo NianInvestment Director at Intel CapitalZhenyu TangInvestment Director at Intel CapitalHariFellow at Clear VenturesDennisDirector of Trading at Pantera Capital
+ 610 more
Also attended University of California, Berkeley1,454
Byron DeeterPartner at Bessemer Venture PartnersSteve WozniakCo-founder of AppleTony XuCo-founder & CEO of DoorDashAravind SrinivasCo-founder & CEO of Perplexity AIAli GhodsiCo-founder & CEO of DatabricksRyan PetersenFounder & CEO of Flexport
+ 1,448 more
Also attended Texas Academy of Mathematics and Science10
Shaoib MakaniFounder, Motive at Houghton Street VenturesPriya PurewalSenior Associate at Smash CapitalBrian Huskinson, PhDVenture Partner at ATPJoanne ShangInvestor at IVP (Institutional Venture Partners)Rishi TalatiFounder at HotplateJagath VytheeswaranFounder at Vogent
+ 4 more
Shared employers
Also worked at First Street2
Also worked at Applied Carbon11
Spencer MaughanFounder and Managing Partner at DYDX CapitalRyan NicholsPartner at DYDX CapitalSteve GoldbergPartner at DYDX CapitalDean TilyardPartner at DYDX CapitalPaul CirielloPartner at DYDX CapitalAdrian PercyVenture Partner at DYDX Capital
+ 5 more
Also worked at Meati Foods1
Also worked at Clean Energy Trust15
Juan MuldoonPartner β Co-Head of Ventures at Energize VenturesAmy FranceticCo-founder and Managing General Partner at Buoyant Ventures Management, LlcMichelle CarrChief Executive Officer at Evergreen Climate InnovationsIan AdamsManaging Director at Evergreen Climate InnovationsMarc AltmanSenior Vice President, Strategy & Growth at Evergreen Climate InnovationsShashank ChurukantiVenture Associate at Evergreen Climate Innovations
+ 9 more