Tamarack Global
Venture capitalActively deployingGreenwich · 6 people tracked
Also known as Tamarack Global Impulse Space · TAMARACK GLOBAL MANAGER LLC
Investment thesis
Tamarack Global concentrates its investing across several frontier themes, including defense technology and national security, energy dominance, AI applied to the physical world, advanced manufacturing, and the space economy. The firm also references a convergence of venture capital and private equity approaches ('The VC/PE Collision'), suggesting a strategy that blends both models. Its focus areas point toward hard-tech and industrial sectors with strategic and national-security relevance.
Source: firm website, verified Aug 25, 2026.
Team · 6 people
from the firm's website & curated
What they invest in
from 14 of 38 portfolio companiesDeep Tech ×6AI & Machine Learning ×5Hardware ×4Cleantech ×3Climate Tech ×3Defense Tech ×3Energy ×3Advanced Manufacturing ×2
HQs:United States×8United Kingdom×1
Who they back
founder profiles across 12 portfolio companiesFounding team size:solo founder×42 founders×53 founders×3
Accelerator rootsportfolio companies that came through a program
Investments · 38 tracked
founders shown can be your intro path
Archer Aviation is an aircraft manufacturer developing commercial aviation technology, including certification and defense applications.
Hardware
Adam Goldstein(Founder)in
Co-investorsA-Rod CorpAccess Technology VenturesAlleyCorpEvolution VC PartnersFJ LabsHabitat Partners+3 more
Antithesis provides deterministic simulation testing software that automatically finds and reproduces bugs in mission-critical software systems.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareSaaS
Will Wilson(CEO & Co-Founder)inDave Scherer(Co-Founder)Nick Lavezzo(Founder)in
Co-investorsAmplify PartnersBoulder VenturesFrontline VenturesSpark CapitalTeamworthy VenturesWorldQuant Ventures+1 more
Defense technology company developing modular, rapidly deployable barrier systems for force protection in austere environments.
Blue Energy develops scalable small modular reactor (SMR) technology to deliver nuclear power at scale.
CleantechClimate TechDeep TechEnergyHardwareWashington, US
JakeTomJacob Jurewicz(Executive Officer, Director)Thomas O'Neill(Executive Officer, Director)
BoardOrin Hoffman(Director)Michael Kearney(Director)in
Co-investorsAt One VenturesAngular VenturesNucleation CapitalThe Engine VenturesFounders FundKhosla Ventures+3 more
Chaos Inc. develops portable radar systems and unmanned aerial system (UAS) detection technology for defense applications, offering efficient multi-target tracking and rapid deployment capabilities.
Defense TechHardware
John Tenet(Founder)Gavin Hood(Founder)John T.(Founder)in
Co-investors8VCAccelAlpha Wave GlobalHOF CapitalInflection VenturesManhattan Venture Partners+6 more
Los Angeles defense technology company building radar, sensor and effector systems powered by Coherent Distributed Networks.
Co-investors8VCManhattan Venture Partners
Defense technology company building autonomous systems to neutralize aerial drone threats at scale.
AI-powered manufacturing company with modular digital factory for automotive, aerospace, and defense sectors.
Earth AI uses AI to locate critical mineral deposits by analyzing geological data, supporting the supply chain for hardware and emerging technologies.
Advanced ManufacturingAI & Machine LearningClimate TechDeep TechNew MaterialsSan Francisco, US
Roman Teslyuk(Founder)in
BoardIan Rountree(Director)inMikhail Taver(Director)Jamie Lee(Director)inIsabella Sykes(Director)Arnoud Balhuizen(Director)
Co-investorsAirTree VenturesAlpaca VCBlackbird VenturesCantos VenturesCorigin VenturesDCVC (Data Collective)+12 more
Building autonomous humanoid robots to automate manual labor globally with advanced AI and robotics technology.
Accelerating proven fusion energy via Magnetized-Liner Inertial Fusion with lower capital requirements than peer approaches.
Genies creates AI personas with visual avatars that can be customized and deployed across various applications, games, websites, and brands, functioning as AI companions, NPCs, and enterprise agents.
AI & Machine LearningConsumerGaming
Co-investorsA.Capital VenturesBase Venture Management, Inc.Breyer CapitalCoinbase VenturesCoinFundCollab+Currency+21 more
Impulse Space develops in-space mobility infrastructure and spacecraft, enabling transportation and logistics between Earth orbit, the Moon, and Mars.
Deep TechDefense TechSpace TechRedondo Beach, US
Tom Mueller(Founder & CEO)inThomas Mueller(Founder)inEric Romo(Executive Officer, Director)Margaret Abernathy(Executive Officer)
BoardMichael Linse(Director)inJohn William Raymond(Director)
Co-investors137 VenturesAlumni VenturesArctic DigitalBalerion Space VenturesBanner VCBasecamp Fund+12 more
Isembard builds software and operates a network of distributed precision factories to accelerate manufacturing from prototype to factory-scale production.
Advanced ManufacturingAI & Machine LearningDeep TechEnterprise SoftwareLondon, GB
Alexander Fitzgerald(CEO)
Co-investorsNotion CapitalUnion Square Ventures (USV)CIVIQ Capital
Natrion develops solid-state battery materials, including a US-made ceramic-polymer "active separator" for lithium-ion and Li-metal cells.
EnergyAlbany, US
Alexander S Kosyakov(Executive Officer, Director)Thomas Rouffiac(Cofounder)Alex Kosyakov(Cofounder)
BoardManas Gosavi(Director)Terry Howerton(Director)inThomas A Rouffiac(Director)
Co-investorsCool Climate CollectiveIllinois VenturesIU VenturesLG Technology VenturesUnruly CapitalTechNexus Venture Collaborative
AI-powered project finance platform that standardizes and streamlines the project finance process using natural language processing.
Poseidon develops unmanned aerial vehicles for cargo logistics, specifically wave-skimming seagliders designed to reduce the cost per ton-mile of air freight.
Deep TechHardwareLogistics & Supply ChainSan Francisco, US
Parker Tenney(Cofounder)inDavid Zagaynov(Cofounder)
Co-investorsBig Brain HoldingsCade VenturesDraper AssociatesGoAhead VenturesStarship Ventures
Reload Energy develops and delivers digital and energy infrastructure sites selected for resilient access to fiber, power, water, and natural gas networks.
CleantechEnergy
Co-investorsService Provider Capital
Building compact portable nuclear fission reactors providing 1.2 MW electricity and 1.9 MW thermal power with five-year fuel capacity.
Co-investorsAlso CapitalAlumni VenturesBasecamp FundCrosscut VenturesFriends Family CapitalInflection Ventures
Rainmaker provides a cryptocurrency wallet using account abstraction technology that allows users to open accounts via email, fund them directly from traditional banking sources, and participate in decentralized finance without paying blockchain transaction fees.
Fintech
Carlos Reyes Stoneham(Founder)inBrent Traut(Founder)in
Co-investorsY CombinatorChampion Hill VenturesDay One VenturesLong Journey Ventures
Rainmaker uses cloud seeding technology to combat water scarcity by generating freshwater at scale.
AgTechCleantechClimate TechDeep TechEl Segundo, US
Augustus Doricko(Founder)in
Co-investorsChampion Hill VenturesInvariantes FundKortschak Investments L.P.Long Journey VenturesSpacecadet VenturesStarship Ventures+4 more
Low-cost AI application builder for creators and businesses using the Bittensor network with advanced data tagging and synthetic data generation.
Rilian builds Caspian, an agentic security orchestration platform that unifies a fragmented security stack through a single interface and captures practitioner expertise, alongside DawnTreader, a deployment engine for air-gapped, sovereign, and compliance-restricted environments.
AI & Machine LearningCybersecurityDefense Tech
Co-investorsFirst In
Electric vehicle manufacturer reimagining production and customer experience through modern manufacturing.
Investment and project development firm combining venture capital with project execution to scale technology companies in industrial sectors.
Mohammad Adib(Cofounder)Noah Benton(Cofounder)
Co-investorsLong Journey Ventures
Trousdale Ventures is a global venture capital firm that invests in mission-driven companies across climate tech, deep tech, space and mobility, and consumer sectors.
Sector AgnosticSeal Beach, US
Sarah Duggleby(Executive Officer, Director)Andrew Duggleby(Executive Officer, Director)
BoardPhillip Sarofim(Founder)in
Co-investorsCubit CapitalHalogen Ventures Management Company LlcMercury FundMESHRed Beard VenturesSeraph Group+5 more
LatAm app-based investment platform providing access to global financial markets for users in Mexico, Colombia, and Brazil.
Exits · 1
IPOs and acquisitions across the tracked portfolioArcher AviationNYSE: ACHR
Portfolio news
latest coverage across their companiesVenus Aerospace · houston.innovationmap.com · Jul 30, 2026
Blue Energy · simplywall.st · Jul 18, 2026
Impulse Space · govconwire.com · Jun 5, 2026
Isembard · tectonicdefense.com · Mar 10, 2026
Rainmaker · dot.la · May 9, 2025
Frequently asked questions
- How many investments has Tamarack Global made?
- Tamarack Global has 38 tracked investments, including 1 dated in the last 24 months.
- What sectors does Tamarack Global focus on?
- Tamarack Global focuses on Advanced Manufacturing, AI & Machine Learning, Cleantech, Deep Tech, Defense Tech, Energy, Fintech, Hardware, Logistics & Supply Chain, Mobility & Transportation, Robotics, Space Tech.
- Where is Tamarack Global located?
- Tamarack Global is headquartered in Greenwich, US.
- Does Tamarack Global lead rounds?
- Tamarack Global typically participates in rounds rather than leading them.
- Who does Tamarack Global co-invest with?
- Tamarack Global most often shares deals with 8VC, DCVC (Data Collective), Long Journey Ventures, among 87 tracked co-investors.
Similar investors
Riot Ventures is a venture capital firm that invests in deeptech, hardware, AI, and frontier technology companies across sectors such as defense, space, energy, robotics, and manufacturing.
Dynamo backs founders building and upgrading the physical economy, investing from inception through seed across supply chain, advanced transportation, manufacturing, energy, and industrial infrastructure.
Monte Carlo Capital is an early-stage investment firm founded by Ian Sosso that began as an angel investor deploying its own capital and evolved into a value-added co-investor backing early-stage companies alongside leading VCs.
A globally recognized venture capital firm designed to provide access to highly competitive venture deals to individual investors, consistently recognized for top-decile DPI performance and as one of the most active US venture firms.
Creative Destruction Lab (CDL) is a nonprofit organization that runs an objectives-based mentoring program for seed-stage, science- and technology-based startups, helping founders build massive companies.