Fundraising FoxWave Function Ventures
Venture capitalActively deployingSeattle · Pre-Seed–Seed · 2 people tracked
Also known as James A Gull · James A. Gull · James Gull · Wave Function
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Investment thesis
Wave Function Ventures backs founders at the earliest stage — even at the idea phase — who are building impactful hard technologies in the physical world. The firm focuses on deep tech spanning aerospace, defense, energy, robotics, and related fields, framing its mission around advancing humanity through abundance. With a founder-operator background, the firm emphasizes helping new founders navigate the earliest and most critical stages of company building.
Source: firm website, verified Oct 3, 2026.
Team · 2 people
from curated & public directories
What they invest in
from 19 of 22 portfolio companiesDeep Tech ×10Hardware ×8AI & Machine Learning ×5Defense Tech ×5Advanced Manufacturing ×4Cleantech ×4Energy ×4Space Tech ×4
HQs:United States×12Canada×1
Who they back
founder profiles across 10 portfolio companiesFounding team size:solo founder×72 founders×13 founders×14+ founders×1
Where their founders worked beforefrom 10 founders with career history
Deep Isolation ×2Nauticus Robotics ×2
Accelerator rootsportfolio companies that came through a program
Investments · 22 tracked
founders shown can be your intro pathBy year:2026 · 62025 · 22021 · 19 dated
Deep Fission develops a nuclear reactor deployment system that places a pressurized water reactor about a mile underground in a deep borehole, using hydrostatic pressure for operating conditions and geothermal-style energy transfer to surface turbines.
CleantechDeep TechEnergyBerkeley, US
Elizabeth A. Muller(Executive Officer, Director)inRichard A. Muller(Founder)inWilliam Mark Schmitz(Chief Financial Officer)Michael Brasel(Chief Operating Officer)inMark Pérès(Chief Nuclear Officer)inStacy Tarver Patterson(Chief Marketing Officer)in
Co-investorsCapital FactoryDeep FutureStage 1 Ventures8VCBlue Owl Capital
Andrenam builds an AI-powered distributed maritime sensing network using mass-manufacturable sonar buoys and sensor payloads for persistent undersea awareness from surface to seabed.
AI & Machine LearningDefense TechHardware
Alex Chu(Founder)Matej Cernosek(Founder)
Co-investorsAlso CapitalFirst Round CapitalHomebrewLong Journey VenturesMINES VENTUREUpfront Ventures
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Boom Supersonic develops supersonic aircraft and engines, including the Overture commercial airliner and the Symphony turbofan engine, targeting commercial aviation and advanced infrastructure applications.
Advanced ManufacturingDeep TechHardwareMobility & TransportationSpace TechCentennial, US
Blake Scholl(CEO)inJoshua Krall(Founder)inJoe Wilding(Founder)inJosh Krall(Founder)Slava Solonitsyn(Investor in Boom)in
Co-investorsAccess Ventures (New York)Activant CapitalAlpha FundsAltra VentureAngel Collective Opportunity FundBessemer Venture Partners+61 more
Forest3 develops small, semi-autonomous equipment for forest management tasks such as fire prevention and precision harvesting.
AgTechClimate TechRobotics
Co-investorsZelda Ventures
Fortastra builds low-cost, maneuverable spacecraft designed to defend infrastructure in orbit, combining commercial components with custom engineering.
Deep TechDefense TechSpace TechTorrance, US
Michael G. Smayda(Executive Officer, Director)inMichael Smayda(Founder)
Co-investorsBloomberg BetaUpfront VenturesForward Deployed VCGenerational Partners
FoundryLab produces metal casting parts for defense, aerospace, and automotive industries using 3D-printed ceramic molds and automated processes, delivering production-grade parts from CAD to finished product in 72 hours without tooling delays.
Advanced ManufacturingDeep TechDefense TechHardwarePetone, Wellington, US
David Moodie(Founder)inPeter Beck(Director)Mike Collett(Director)
BoardVignesh Kumar(Director)inSamantha Wong(Director)in
Co-investorsArc AngelsBlackbird VenturesEnterprise AngelsGD1Icehouse VenturesNZVC+4 more
Lux Aeterna designs and builds reusable satellites to enable defense, intelligence, commercial, and in-space manufacturing customers to conduct space operations more efficiently.
Deep TechHardwareSpace TechDenver, US
Brian Taylor(CEO & Founder)in
BoardJosh Chapman(Director)
Co-investorsAlumni VenturesBasecamp FundBlack FlagCubit CapitalEntropy Industrial CapitalKonvoy Ventures+6 more
Maglut develops rare earth element purification technology, focusing on precision purification processes for domestic U.S. rare earth production.
CleantechDeep TechNew Materials
Co-investorsJulian CapitalDeep Checks
Numenor Maritime develops U.S. subsea technology for persistent undersea connectivity, command, and situational awareness in environments without GPS, SATCOM, or reliable RF.
Deep TechDefense TechHardware
Co-investorsSilent Capital
Packsmith provides technology-driven order fulfillment and logistics services for e-commerce brands, offering customizable fulfillment, greater operational transparency, and faster shipping.
AI & Machine LearningE-commerceLogistics & Supply ChainRetail TechSaaS
Co-investorsCosmic Venture PartnersEvolution VenturesM13Maiora Rebel VenturesMPG FundSpacecadet Ventures+8 more
Persephone develops a synbiotic supplement for infants that combines probiotics (keystone Bifidobacterium strains) with prebiotics found in human breast milk to replenish gut bacteria linked to digestion, immunity, and development.
BiotechConsumerDigital HealthFemTechHealthtechSan Diego, US
Stephen Van Dien(CTO)inStephanie Culler(CEO)in
Co-investorsFirst Bight VenturesPropel Bio PartnersBioBritFifty YearsHemi Ventures, LlcOcampo Capital+13 more
A platform for qualitative research that recruits participants from a global panel or accepts brought-in participants and conducts AI-moderated interviews in 50+ languages.
AI & Machine LearningData & InfrastructureMarketing TechSaaS
Rick Song(Founder & CEO)inCharles Yeh(Founder)in
Co-investorsm]x[v CapitalEmbedded VenturesFathom FundFounders FundGOOSE CapitalIBK Capital+5 more
Persona AI develops modular industrial humanoid robots for skilled physical tasks such as welding, grinding, inspection, fabrication, and maintenance.
AI & Machine LearningHardwareRobotics
Nicolaus Radford(Co-Founder and CEO)inJide Akinyode(Co-Founder and COO)inJerry Pratt(Co-Founder and CTO)in
Co-investorsBaseTwoBig Brain HoldingsEmbedded VenturesGOOSE CapitalK50 VenturesOlive Hill Ventures+8 more
Resolute Grid manufactures hardware and software for electricity transmission and distribution, aiming to address aging U.S. grid infrastructure and long transformer lead times.
CleantechEnergyHardwareRockwall, US
Clifford Marcus Owenby(Executive Officer, Director, Promoter)John Erford(Executive Officer, Director, Promoter)
BoardMegan Moreland(Director)Philip Carson(Director)
Co-investorsStage 1 Ventures
Stellios develops high-power microwave and RF power systems, including vacuum HPM devices, high-voltage modulators, gyrotrons and klystrons, and applies them to directed-energy defense platforms against drones and guided munitions.
Deep TechDefense TechEnergy
TOBE develops isothermal electrolysis technology for industrial-grade hydrogen production with >92% efficiency, using a pulsed waveform architecture that eliminates waste heat without rare earth materials.
Advanced ManufacturingCleantechClimate TechEnergyTulsa, US
Colby F. DeWeese(Founder)in
Co-investorsCortado VenturesFortySix Venture CapitalHurricane VenturesTechstars
Valstad develops AI-enabled manufacturing systems for distributed ship production and repair, including robotic fabrication cells, phased array laser welding, and precision structural steel kits.
Advanced ManufacturingAI & Machine LearningRoboticsAustin, US
Dustin Walper(CEO, Founder)inRyan Cook(Chief Operating Officer)inWisam Abdullah(Director)
Co-investorsNorthside VenturesN49P
Vena Medical develops medical devices for neuro-interventional applications, founded by mechanical engineering graduates.
Deep TechHardwareHealthtechMedical DevicesKitchener, CA
Michael Phillips(Founder)inPhillip Cooper(Founder)inPhil
Co-investorsArchangel Network of FundsGraphite VenturesLaurier Startup FundNorthspring Capital PartnersVentureSouqY Combinator+6 more
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
AirshipStandard ElectronTheredmetalcompany
Exits · 1
1 IPOsDeep FissionNASDAQ: FISN
Portfolio news
latest coverage across their companies
Boom Supersonic · ipo.club · Sep 14, 2026
Persona AI · runtimewire.com · Sep 14, 2026
Lux Aeterna · prnewswire.com · Jun 25, 2025
Andrenam AI-powered maritime sensing · finance.yahoo.com · Jun 19, 2025
Frequently asked questions
- How many investments has Wave Function Ventures made?
- Wave Function Ventures has 22 tracked investments, 1 of which have exited, including 8 dated in the last 24 months.
- What stage does Wave Function Ventures invest at?
- Wave Function Ventures invests at the Pre-Seed, Seed stages.
- What sectors does Wave Function Ventures focus on?
- Wave Function Ventures focuses on Deep Tech, Defense Tech, Energy, Robotics, Space Tech.
- Where is Wave Function Ventures located?
- Wave Function Ventures is headquartered in Seattle, US.
- Who does Wave Function Ventures co-invest with?
- Wave Function Ventures most often shares deals with Stage 1 Ventures, Techstars, Upfront Ventures, among 49 tracked co-investors.
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