Fundraising Fox
Interface Fund
Venture capitalSan Francisco · Pre-Seed–Growth · 1 people tracked
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Investment thesis
Interface Fund is a multistage venture fund focused on deep tech, backing hardware- and biology-driven technology companies. Its areas of interest include techbio, computing, infrastructure, human augmentation and biology, with investments spanning neurotech, brain-computer interfaces, AI infrastructure, semiconductors, biotechnology and therapeutic technologies. The firm writes checks ranging from $1M to $10M and supports category-defining hardware and bio founders. It is backed by strategic partners across the US, Europe, the Gulf and East Asia, and its portfolio covers energy, critical infrastructure, defense, bio and frontier AI.
Source: firm website, verified Oct 1, 2026.
Team · 1 people
from public directoriesWhat they invest in
from 8 of 9 portfolio companiesAI & Machine Learning ×6Developer Tools ×3Enterprise Software ×3Data & Infrastructure ×2Deep Tech ×2Energy ×2SaaS ×2Biotech ×1
HQs:United States×5France×1
Investments · 9 tracked
founders shown can be your intro path
21st.dev provides a library of thousands of components and templates from the community for developers to use in building applications.
Developer ToolsEnterprise SoftwareSan Francisco, US
Serafim Korablev(CEO / co-founder)inSergey Bunas(Founder)in
Co-investorsAloniqPioneerTRAC (Third Round Analytics Capital)Transpose Platform ManagementY CombinatorAAL VC+7 more
Crusoe builds energy-first AI infrastructure, using innovative and renewable energy sources to power hyperscale AI factories and a cloud platform for AI workloads.
AI & Machine LearningCloud ComputingData & InfrastructureEnergyDenver, US
Cully Cavness(Co-founder, President and Chief Strategy Officer)inChase Lochmiller(Co-founder, CEO and Chairman of the Board of Directors)inCharles Cavness(Executive Officer, Director)Matthew DeNezza(Executive Officer)inJamey Seely(Executive Officer)inMichael Gordon(Executive Officer)in
Co-investorsAbstract VenturesACTIVATE CAPITAL PARTNERSAdvaita CapitalAir Street CapitalAkkaAlkeon Innovation+69 more
General Matter develops nuclear energy technology focused on domestic U.S. energy production.
Climate TechDeep TechEnergy
Scott Nolan(Founder)inLee Robinson(Founder)in
Co-investorsAntiCongruent VenturesCoral CapitalFounders FundLong Journey VenturesSV Angel+1 more
Jitter is an AI-powered animation software that converts static designs into animated videos and assets.
AI & Machine LearningCreator EconomyDeveloper ToolsEnterprise SoftwareSaaSParis, FR
Etienne Albert(Founder)inSébastien Robaszkiewicz(Founder)in
Co-investorsMAGIC FundMotier VenturesNorte VenturesY CombinatorBetter AngleBonjour Ventures+6 more
Merge Labs creates AR/VR learning tools for K-12 education, including the Merge Cube handheld interface and Merge EDU platform, enabling immersive hands-on STEM and science learning in classrooms and educational spaces.
AI & Machine LearningEdTechHardwareSan Antonio, US
Andrew Trickett(Founder)in
Co-investorsGeekdomNew Enterprise Associates (NEA)New Ground VenturesAccelAdditionBain Capital+2 more
Merge provides a unified API and integration infrastructure that lets software companies connect their products to hundreds of third-party systems (HRIS, accounting, ticketing, file storage, CRM) and deploy AI agents that take authenticated actions across enterprise tools.
AI & Machine LearningData & InfrastructureDeveloper Tools
Gil Feig(Founder)inShensi Ding(Founder)in
Co-investors20VCAccelNew Enterprise Associates (NEA)AdditionBain CapitalBain Capital Ventures+1 more
Merge Labs is a research lab developing brain-computer interfaces that connect with neurons using molecules instead of electrodes and non-invasive modalities like ultrasound, integrated with AI.
AI & Machine LearningBiotechDeep TechSan Antonio, US
Andrew Trickett(Executive Officer, Director)Franklin Lyons(Executive Officer, Director)
BoardLew Moorman(Director)in
Co-investorsAntiBig Brain HoldingsSaga VenturesSciFi VCStarship VenturesTransform Investments+4 more
Parahelp builds an AI-powered customer support agent that can be configured to integrate with external tools and APIs to resolve support tickets autonomously.
AI & Machine LearningEnterprise SoftwareSaaSSan Francisco, US
Anker Ryhl(Founder)inMads Liechti(Founder)in
Co-investorsbyFoundersOrange CollectiveSkyfall VenturesY CombinatorAlt CapitalFestina+8 more
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
Science Corp
Portfolio news
latest coverage across their companies
Crusoe · techcrunch.com · Sep 17, 2026
21st · ycombinator.com · Mar 16, 2026
Merge Labs · merge.io · Jan 16, 2026
Frequently asked questions
- How many investments has Interface Fund made?
- Interface Fund has 9 tracked investments, including 3 dated in the last 24 months.
- What stage does Interface Fund invest at?
- Interface Fund invests at the Pre-Seed, Seed, Series A, Series B, Series C, Growth stages.
- What is Interface Fund's typical check size?
- Interface Fund typically writes checks of $1M – $10M.
- What sectors does Interface Fund focus on?
- Interface Fund focuses on AI & Machine Learning, Biotech, Deep Tech, Defense Tech, Energy, Hardware, Healthtech, Robotics, Semiconductors.
- Where is Interface Fund located?
- Interface Fund is headquartered in San Francisco, US.
- Does Interface Fund lead rounds?
- Yes, Interface Fund leads investment rounds.
- Who does Interface Fund co-invest with?
- Interface Fund most often shares deals with Anti, Congruent Ventures, Founders Fund, among 10 tracked co-investors.
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