Protagonist
Venture capitalActively deployingBay Harbor Islands · Seed–Growth · 7 people tracked
Also known as PROTAGONIST MANAGEMENT LLC
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Investment thesis
Protagonist invests in ambitious founders building early-stage emerging technology businesses. The firm positions itself as founders and operators first, emphasizing hands-on partnership beyond capital — bringing strategic partners, operating experience, deep network access, and guidance to help portfolio companies succeed. Its backed companies span artificial intelligence, defense, renewable energy, semiconductors and computing hardware, healthcare software, consumer and media products. The name 'Protagonist,' meaning 'the main character of a story,' reflects its founder-centric philosophy of moving fast, thinking big, and caring about long-term company success.
Source: firm website, verified Sep 29, 2026.
Team · 7 people
from the firm's website & public directoriesFounder mafia
2 people who came through Protagonist went on to found or lead other companies.
What they invest in
from 74 of 101 portfolio companiesAI & Machine Learning ×32Crypto & Web3 ×24Fintech ×22Enterprise Software ×17Consumer ×16Data & Infrastructure ×11SaaS ×11Developer Tools ×9
HQs:United States×37France×4United Arab Emirates×2Switzerland×1Finland×1United Kingdom×1
Who they back
founder profiles across 45 portfolio companiesFounding team size:solo founder×202 founders×193 founders×34+ founders×3
Where their founders studiedfrom 52 founders with education data
Princeton University ×3University of California, Berkeley ×3University of Toronto ×3Carnegie Mellon University ×2Harvard Business School ×2Le Wagon ×2Massachusetts Institute of Technology ×2Miami University ×2
What their founders studiedfrom 46 founders with field-of-study data
Computer Science ×15Business & Management ×12Engineering ×7Finance & Accounting ×7Mathematics & Statistics ×6Economics ×3Physics ×3Humanities ×2
Where their founders worked beforefrom 55 founders with career history
Google ×3Microsoft ×3RBC Capital Markets ×3Revolut ×3Accuvant ×2AMD ×2Cylance Inc. ×2OpenAI ×2
Accelerator rootsportfolio companies that came through a program
6 founders hold a PhD · 7 hold an MBA (of 50 with degree data)
Investments · 101 tracked
founders shown can be your intro pathBy year:2026 · 12025 · 122024 · 32023 · 52022 · 62021 · 128 dated
Fog Works develops personal AI edge computing solutions, combining software and hardware, that allow users to run AI assistants locally while maintaining data sovereignty through a decentralized storage network.
AI & Machine LearningCrypto & Web3Data & InfrastructureHardwareIoT
Xinglu Lin(CEO & Co-Founder)Victor Chen(COO)Zhicong Liu(Chief Engineer)Felicia DengWilliam Entriken(Chief Architect)
Co-investorsAlumni VenturesIoTeXOnePiece LabsSolana FoundationDraper Dragon
1Money builds a decentralized payment network for stablecoin and tokenized deposit transfers, designed for global financial settlements.
Crypto & Web3Fintech
Matt Shroder(Founder)inBrian Shroder(Founder)inMatthew Shroder(Founder)
Co-investorsA100X VenturesCMT Digital VenturesEthereal Ventures Management Ltd.F-Prime CapitalGenerative VenturesHack VC+5 more
Agentio is an AI infrastructure platform that enables brands to buy creator media at scale.
AdTechAI & Machine LearningCreator EconomyMarketing TechNew York, US
Arthur Leopold(Founder)inJonathan Meyers(Founder)in
BoardSarah Tavel(Benchmark director)inEurie Kim(Forerunner managing partner / Series B investor)
Co-investorsAlleyCorpAntlerAntler AustraliaBackwards CapitalCraft VenturesForerunner Ventures+3 more
Aion builds and deploys machine learning models, agents, and engineering teams that help organizations move from experimentation to production.
AI & Machine LearningDeveloper ToolsEnterprise Software
Jayden Watson(Founder)in
Co-investorsNazare VenturesStreamlined Ventures
Anoki builds ContextIQ, a multimodal AI platform for Connected TV (CTV) that analyzes video at the scene level to enable brand-suitable, contextually relevant ad placements.
AdTechAI & Machine LearningMedia & EntertainmentSan Carlos, US
Raghu Kodige(Executive Officer, Director)inAshish Baldua(Executive Officer, Director)
BoardUllas Naik(Director)in
Co-investorsStreamlined Ventures
Infrastructure for high-frequency intent execution on any chain
Co-investorsBankless VenturesL2 Iterative Ventures (L2IV)
Aptos Labs develops a Layer 1 blockchain platform using the Move programming language and parallel execution technology, serving developers and users building decentralized applications.
Crypto & Web3Developer ToolsNew York City, US
Avery Ching(Founder)inMo Shaikh(Founder)inAlin Tomescu(Head of Cryptography)inSasha Spiegelman(Head of Research)Zekun Li(Head of Blockchain)in
Co-investorsa16z cryptoDragonflyAndreessen HorowitzArrington CapitalBixin CapitalBixin Ventures+15 more
Arago develops a photonic AI accelerator chip that uses light-based computing to reduce energy consumption for AI workloads.
AI & Machine LearningDeep TechEnterprise SoftwareHardwareParis, FR
Nicolas Muller(CEO)inEliott Sarrey(CTO)in
Co-investorsEarlybird Venture CapitalEntrepreneur FirstC4 Ventures
Builds automated kitchen systems using robotics to produce consistent, affordable meals at scale.
FoodTechHardwareRobotics
Travis Kalanick(Founder)Sidra Qasim(Founder)inWaqas Ali(Founder)in
Co-investorsAbstract VenturesAlpha Wave GlobalAndreessen HorowitzBain Capital VenturesBond Capital ManagementEmbark Ventures+13 more
Bird Buddy makes a smart bird feeder with a built-in camera (Nature Cam Pro) that captures 2K video and photos and uses AI to recognize bird species, paired with a mobile app that lets users view and share bird activity in their garden.
ConsumerHardwareIoTKalamazoo, US
Franci Zidar(Founder)inKyle Buzzard(Founder)inTom Vodopivec(Chief Operating Officer)inMichael Dietz(Chief Technology Officer)inBenjamin Kumalic(Vice President of Growth)inHenrik Fuglsang(Vice President of Supply Chain)in
Co-investorsBackedBoscarol d.o.o.Emblem55Fundamental VenturesGeneral CatalystProta Ventures+3 more
Blok is a digital real estate agency that helps homeowners sell properties with lower commission fees (averaging €6,000 savings) and provides an advanced valuation tool for property assessment.
B2B MarketplacesPropTechSaaSFinland, FI
Juha Jokela(Co-Founder & CTO)inOlli Gunst(Co-Founder & CMO)inRudi Skogman(Co-Founder & CEO)inSamu Hautala(Co-Founder (Lead Developer))in
Co-investorsBonnier CapitalLifeline VenturesManta Ray VenturesBlank VenturesMaC Venture CapitalPICUS CAPITAL+1 more
Blok provides a platform where fitness instructors can offer live classes, sell recorded content, monetize specialized services, manage brand partnerships, and build their own branded communities.
ConsumerSan Francisco, US
Sahana Rajasekar(Founder)inOlivia Higgs(Founder)Rudi Skogman(Founder)Tom Charman(Founder)
Co-investorsY CombinatorBlank VenturesCorrelation VenturesLifeline VenturesMaC Venture CapitalRackhouse Venture Management Lp+1 more
Seldon is a product development tool that uses synthetic personas modeled from real user behavior to surface bugs, friction, and design insights before product launch.
Developer ToolsEnterprise Software
Co-investorsLigature VCRackhouse Venture Management LpMaC Venture Capital
Bpifrance is a French organization that provides financing, credits, and partnership support to innovative companies and entrepreneurs, helping them accelerate growth domestically and internationally.
Enterprise SoftwareFintechSector AgnosticParis, FR
Co-investorsRuna CapitalAlvenBetter AngleBlockchange VenturesCRV (Charles River Ventures)Expansion Venture Capital+10 more
Camp Network is a Layer-1 blockchain for intellectual property infrastructure, providing a global IP registry that lets users own and monetize their IP and enables AI agents to train on user-owned IP.
AI & Machine LearningCrypto & Web3Data & Infrastructure
James Chi(Founder)inNirav Murthy(Founder)in
Co-investors1k(x)1kxBlockchain CapitalEterna CapitalHTX Ventures (ex Huobi Ventures)Hyperithm+12 more
ClearGrid is a debt resolution platform that works with lenders to help borrowers view their balances, set up payment plans, and manage repayments at their own pace.
FintechSaaS
Mohammad Al Zaben(Founder)in
Co-investorsNuwa CapitalRAED VenturesWamda Capital9Yards CapitalBECO CapitalByld Ventures+1 more
ClearGrid is an AI-powered platform that transforms operational data into automated workflows and actionable insights for financial services institutions.
AI & Machine LearningEnterprise SoftwareFintech
Co-investorsAnnex Investments
Cogni is a mobile cryptocurrency wallet application that enables users to manage and control their crypto and digital assets across multiple blockchain networks in a single interface.
AI & Machine LearningCrypto & Web3FintechNew York City, US
Co-investorsSenaHill PartnersTechstarsWorldQuant Ventures
Credit Genie provides financial tools and credit management services designed to help consumers escape debt, build credit, and gain control over their finances.
AI & Machine LearningConsumerFintech
Ed Harycki(Founder)in
Co-investorsKhosla VenturesDream Maker VenturesGabriel Investments
Deblock offers a current account with a 4% annual yield paid daily, combined with access to crypto-assets and precious metals.
Crypto & Web3FintechLille, FR
Mario Eguiluz Alebicto(Founder)inAaron Beck(Founder)Adriana Restrepo(Founder)inJean Meyer(Founder)inMario Eguiliuz(Founder)Mario Eguiluz(Founder)
Co-investors20VCCommerzVenturesHeadlineHeadline Growth Management, LLCHoxton VenturesKima Ventures+10 more
Dialect provides infrastructure for Web3 user experiences, offering Blinks (embedded blockchain transactions) and Alerts (onchain notifications) that integrate directly into digital platforms without redirects.
Crypto & Web3Developer ToolsEnterprise SoftwareNew York City, US
Chris Osborn(Founder)in
Co-investorsAsymmetricElectric CapitalFoundation CapitalMulticoin CapitalY CombinatorAnagram Ventures+12 more
Diamond Standard turns certified natural diamonds into standardized, blockchain-linked commodities that investors can buy and trade.
Advanced ManufacturingNew York, US
Cormac L Kinney(Executive Officer)in
Co-investorsLeft Lane Capital
EigenCloud is a developer platform providing cryptographic trust primitives for applications and AI agents through verifiable computation, inference, and data availability backed by slashable stake on EigenLayer.
AI & Machine LearningCrypto & Web3Developer Tools
Sreeram Kannan(Founder)in
Co-investorsa16z cryptoAndreessen HorowitzBitDAOBixin CapitalBixin VenturesBloccelerate VC+22 more
Eluve builds medical AI tools for clinicians, including an ambient scribe that drafts clinical notes, orders, and billing codes from patient conversations, plus clinical decision support and operational analytics.
AI & Machine LearningDigital HealthHealthtech
ENHANSE sells self-tanning skincare products, including face and body products with anti-streak formulas, for consumers seeking bronzed skin without sun exposure.
ConsumerDirect to ConsumerWellness & Fitness
Evangelo Bousis(Founder)in
Epirus develops high-power microwave systems and electronic warfare technology for defense applications, including counter-unmanned aircraft systems for the U.S. military.
AI & Machine LearningDeep TechDefense Tech
Bo Marr(Founder)Grant Verstandig(Founder)Joe Lonsdale(Founder)John Tenet(Founder)Max Mednik(Founder)inNathan Mintz(Founder)
Co-investors8VCBroom VenturesCenter15 CapitalChapter OneCrosscourt VenturesEvolution VC Partners+6 more
Era is building an AI-native personal finance platform that consolidates a user's accounts, balances, transactions, and insights into a single view with automated actions.
AI & Machine LearningConsumerFintechSan Francisco, US
Jasper Lau(Founder)inLindsay B(Founder)Alex Norcliffe(Founder)Lindsay Brady(Founder)
Co-investorsDesigner FundMaC Venture CapitalMoth FundClocktower VenturesFusionFusion VC+1 more
Exowatt builds modular clean energy infrastructure systems designed for 24/7 solar power generation, targeting global AI infrastructure and critical industries that require reliable, ultra-low-cost sustainable power.
AI & Machine LearningCleantechEnergyHardwareMiami, US
Hannan Happi(Founder)Jack Abraham(Founder)inHannan H.(Founder)inHannan Parvizian(Founder)in
Co-investorsAndreessen HorowitzAtomicBay Bridge Ventures ClimateBlack FlagBleu CapitalClimate Capital+15 more
fab2 designs and builds semiconductor fabrication equipment and the fabs themselves, developing the hardware, components, and software needed to manufacture chips.
Deep TechHardwareSemiconductorsAustin, US
Sam Zeloof(Founder)inJim Keller(Founder)
BoardCOREY NOBILE(Director)
Co-investorsFontinalis PartnersParadigm
Fhenix is a blockchain research and development company building FHE (Fully Homomorphic Encryption) infrastructure that lets developers run confidential computation on encrypted data in EVM-compatible smart contracts.
Crypto & Web3CybersecurityDeveloper Tools
Guy Itzhaki(Founder)inGuy Zyskind(Founder)inDr. Guy Zyskind(Founder)
Co-investorsCollider VenturesGSRHack VCMulticoin CapitalNode CapitalAmber Group+15 more
Fifth Door provides a platform for users to create, share, and play games with AI, targeting players and creators who want to develop games without specialized technical skills.
AI & Machine LearningConsumerGamingSan Francisco, US
Amir Ghazvinian(Founder)inDaniel Kan(Founder)in
Co-investorsDaft CapitalFelicis VenturesY CombinatorJustin KanMantis CapitalRebel Fund
Glacis Labs builds Zero Delta, a settlement network that matches institutional order flow to execute large digital asset trades and cross-border remittances with zero slippage and no prefunded float.
Crypto & Web3Enterprise SoftwareFintech
Cofounder (JPMorgan, Spruce)(Cofounder)Technical Cofounder(Technical Cofounder)
Co-investorsArrington CapitalEdessa CapitalPaper VenturesArrington XRP CapitalFaction
Glacis builds software for supply chain coordination that integrates with existing workflows and systems without requiring suppliers or partners to change their processes.
AI & Machine LearningEnterprise SoftwareLogistics & Supply ChainSaaS
Co-investorsArrington CapitalFactionPaper Ventures
Philadelphia, US
Rafael Ilishayev(Founder)inYakir Gola(Founder)inAlberto Menolascina(Founder)Yusuf Saban(Founder)
Co-investorsA-Rod CorpAccelAlpha PartnersDarco CapitalHeadlineHeadline Growth Management, LLC+7 more
Halcyon builds a dedicated anti-ransomware platform that operates across the full attack chain — from initial access to data exfiltration and encryption — adding a detection, protection, and recovery layer within an organization's existing security stack.
AI & Machine LearningCybersecurityEnterprise SoftwareSan Diego, US
Jon Miller(Chief Scientist & Co-Founder)inRyan Smith(CTO & Co-Founder)inJeff St. Clair(Chief Revenue Officer)Marvin Tien(Director)
BoardEnrique Salem(Director)inRichard Seewald(Director)in
Co-investorsBain Capital VenturesCisco InvestmentsDnx VenturesEvolution Equity PartnersGula Tech AdventuresHarmony Partners+6 more
Holonym builds "Human Keys," a system for privacy and security in zero trust environments that gives each individual a key they alone control to access digital personhood, privacy, and security rights.
Crypto & Web3CybersecurityDeep TechWilmington, US
Nanak Khalsa(Executive Officer)in
Co-investorsArrington CapitalEdessa CapitalFounderheads,Arrington XRP Capital
huupe makes smart basketball hoops (the ARENA and mini) with built-in sensors that track shooting statistics such as FG%, shot angle, and trajectory, delivering live performance data to a companion app.
HardwareIoTSports TechIrvine, US
Paul Anton(Executive Officer, Director)inLyth Saeed(Executive Officer, Director)inJohn Chuang(Director)Bob Higgins(Director)
BoardAristotle Loumis(Director)Audie Attar(Director)
Co-investorsCauseway Partnersgener8torGenesis VenturesSSC Venture PartnersTundra AngelsMantis Capital
IDA provides payment solutions for global commerce using digital assets and stablecoins, positioned to facilitate trust and transparency in transactions, particularly for emerging markets and Belt and Road Initiative participants.
Cloud ComputingCrypto & Web3Enterprise SoftwareFintechHong Kong, HK
Lawrence CHU(Co-Founder)Sean LEE(Co-Founder)
Co-investorsBrincCMCC GlobalHashed
Hong Kong digital asset company building HKDA, a fiat-referenced stablecoin backed by fully reserved assets.
Co-investorsTitan FundYolo InvestmentsAnagram VenturesBrincChorus OneCMCC Global+5 more
Insomnia Labs offers a proprietary blockchain platform and managed services, including loyalty/fandom SDKs, data integrity SDKs, and white-glove token launch services.
Crypto & Web3Data & InfrastructureEnterprise SoftwareDublin, US
Chun Jiang(Executive Officer, Director)Benjamin Kramer(Executive Officer, Director)
Ahmad Shadid(Founder)Tory Green(Founder)
Co-investors6th Man VenturesBlock ConsultContinue CapitalFOMO VenturesLongHash VenturesMH Ventures+8 more
JOYMODE produces dietary supplements targeting male sexual health and wellness.
ConsumerDirect to ConsumerHealthtechWellness & Fitness
Shane W.(Founder)in
BoardDr. Eric TrexlerDr. Bill Lagos
Co-investorsTouch Capital
kluster.ai built tools to verify AI-generated code, checking for bugs, security issues, regressions, and intent mismatches.
AI & Machine LearningCybersecurityDeveloper Tools
Co-investorsLifeX VenturesForesight CanadaForesight GroupSuperSeed
Levitate is a marketing platform for relationship-based businesses that combines email, social media, texting, and other outreach tools to help users maintain personalized communication with their network at scale.
AI & Machine LearningMarketing TechSaaS
Jesse Lipson(Founder)
Co-investorsDuke Capital PartnersBull City Venture Partners
Levl operates a unified platform for stablecoin payments, foreign exchange, crypto on/off ramps, and payment processing.
Crypto & Web3Enterprise SoftwareFintechSaaS
Co-investorsVariant Fund
LTV.ai builds an AI-powered platform for retention marketing that automatically designs and executes customer retention campaigns without manual input.
AI & Machine LearningE-commerceMarketing TechSaaS
Co-investorsBling CapitalCoreline Ventures
Luo builds financial infrastructure that lets businesses in emerging markets send cross-border payments to the rest of the world with more speed, transparency, and reliability.
Enterprise SoftwareFintechParis, FR
Hamza Benkirane(CEO)inMorgan Wirtz(CPO)in
Co-investorsDFS Lab FrontierEntrepreneur FirstMaC Venture CapitalSamos InvestmentsTranspose Platform ManagementAtreides Management+7 more
A ve(3,3) DEX on Sui designed to align liquidity providers, traders, and protocols through shared incentive structures.
San Francisco, US
Wendy F(Founder)
Co-investorsCastrum CapitalRR2 CapitalVarys Capital
Morty is a free app to find, track, and review immersive attractions such as escape rooms, haunted houses, immersive art, speakeasies, and tiki bars worldwide.
ConsumerMarketplacesSocial
Andy Bauch(Founder)in
Co-investorsMarketplaceCorigin VenturesFJ LabsLerer HippeauMetaPropPrudence+4 more
Cooper Scanlon(Founder)Rushi Manche(Founder)
Co-investorsArchetypeBankless VenturesBorderless VentureCitizenX Crypto VenturesContinue CapitalEnigma Fund+17 more
Pawp offers an annual membership giving pet owners 24/7 on-demand access to licensed veterinarians, nurses, and technicians for virtual consultations, follow-ups, and personalized care plans.
ConsumerDigital HealthWellness & FitnessBrooklyn, US
Drew Taylor(Director)Andrew Malek(Director, Promoter)Marc Atiyeh(Executive Officer, Director, Promoter)
BoardZack Schildhorn(Director)in
Co-investorsCompanion FundDCM VenturesGood FriendsHOF CapitalInnovating CapitalLux Capital+4 more
Perle is a restaurant offering dine-in service, a bar, and takeout, with à la carte and prix-fixe menus.
ConsumerFoodTechLos Angeles, US
Co-investorsPEER VCYing FundCoinFundFramework Ventures
Perle provides expert-driven data services for AI teams, supplying credentialed specialists to handle data collection, labeling, quality assurance, evaluation, and RLHF/RLAIF for tasks that generic crowd-worker vendors can't judge.
AI & Machine LearningData & InfrastructureEnterprise SoftwareRoboticsSan Francisco, US
Ahmed Rashad(Founder)in
Co-investorsACTAI VenturesAlphaLab CapitalBig Brain HoldingsBreedCaladanCoinFund+3 more
Pie is a browser extension that blocks advertisements across websites, streaming platforms like YouTube and Twitch, and other web services.
AdTechConsumerCreator Economy
Ryan(Founder)
Co-investorsAcrew CapitalAllianz XCapital One VenturesCenterbridge Partners, L.P.Commerce VenturesF-Prime Capital+5 more
Pogo provides real consumer behavior data and qualitative research for investors and consultants conducting diligence, portfolio strategy analysis, and thought leadership.
AI & Machine LearningData & InfrastructureFintechMarketing TechSaaS
Shikhar Mohan(Founder)inDom Wong(Founder)inDom Wong. Dom Wong(Founder)Oskar Melking(Founder)
Co-investors20VCAdapt VenturesEarl Grey CapitalFlucas VenturesMantis CapitalRackhouse Venture Management Lp+11 more
Popcorn provides a global mobile phone plan with unlimited talk, text, and data for $69/month, covering 180+ countries with no roaming fees.
Lukas Kairys(Founder)inNeel Popat(Founder)
Co-investorsSquad CapitalSalica InvestmentsSouth Park Commons
Psy is a Layer 1 blockchain protocol built with a PARTH architecture and Proof of Useful Work consensus, aiming for high transaction throughput, fixed low fees, and local zero-knowledge proving so user data stays on-device.
AI & Machine LearningCrypto & Web3Cybersecurity
Co-investorsPaper Ventures
RAAD provides on-demand geospatial data capture, delivering 3D models, point clouds, and centimeter-accuracy aerial maps within 48 hours after users outline an area on a map.
AI & Machine LearningData & InfrastructureDeep Tech
Teej Ragsdale(Chief Executive Officer)inTJ (Teej) Ragsdale(Founder)inJP Silvashy(Chief Technology Officer)Chris Tavani(Chief Growth Officer)inDean Cartini(Head of Operations)
Co-investorsCoinFundEv3 Ventures Llc
Radical Health develops technology in the medical and healthcare sector.
AI & Machine LearningDigital HealthHealthtechLondon, GB
Simone Jensen(CEO)inSimone Korsgaard Jensen(Founder)
Co-investorsEntrepreneur FirstHeadwater VenturesKhosla VenturesKickstart InnovationTranspose Platform Management
RedStone provides modular oracle infrastructure that delivers price and asset data to on-chain finance applications across more than 110 blockchains.
Crypto & Web3Data & InfrastructureFintechWarsaw, PL
Marcin Kaźmierczak(Co-founder)inAlex Suvorov(Co-founder)inJakub Wojciechowski(Founder)inMarcin Kazmierczak(Founder)
Co-investors1k(x)1kxArrington CapitalBitDAOBlockchain CapitalCoinbase Ventures+14 more
Renzo Protocol provides liquid staking and restaking infrastructure along with reserve vaults that deploy capital into delta-neutral, RWA-backed, and basis/carry trade strategies.
Crypto & Web3Fintech
Lucas Kozinski(Founder)
Co-investorsBankless VenturesBitDAOCrypto DiscoverEdessa CapitalFigmentGalaxy Ventures+6 more
Roam is a company building an online workplace product, presented through its team and leadership page.
AI & Machine LearningEnterprise SoftwareFuture of WorkSaaSNew York City, US
Howard Lerman(Founder)inGrace Sutherland(Founder)inSean MacIsaac(Founder)inJon Brod(Founder)Raunaq Singh(Founder)Tom Dixon(Founder)
Co-investorsArrington CapitalBetaworksIVP (Institutional Venture Partners)Airbridge Equity PartnersArrington XRP CapitalAt One Ventures+7 more
Scan.com operates a national imaging network connecting payers, providers, and patients with accredited diagnostic imaging centers, offering transparent scheduling, pricing, and digital report delivery.
B2B MarketplacesDigital HealthHealthtechMedical DevicesSaaS
Charlie Bullock(Co-founder and CEO)inOliver Knight(Co-founder and COO)inJoe Daniels(Co-founder, Design Engineering)Khalid Latief(Co-founder, Consultant Radiologist)in
Co-investorsCadron Capital PartnersCorewell Health VenturesForefront VentureFounders FactoryFounders Factory NYOnstage+7 more
Seldon provides synthetic user personas built from real user analytics, ethnographic research, and Big Five (OCEAN) personality modeling to simulate user behavior and test product decisions before launch.
AI & Machine LearningEnterprise SoftwareSaaS
Co-investorsMaC Venture CapitalBright Pixel Capital
Sentient is an AI solutions provider offering enterprise services including automatic speech recognition for Asian languages.
Christopher Yeo(Founder)in
Co-investorsDG Daiwa VenturesDG Ventures, Inc.Primitive VenturesUntroD CapitalArrington CapitalCanonical Crypto+10 more
Silhouette offers shielded onchain trading on the Hyperliquid network, using encryption to protect traders' order flow and strategies from exploitation while accessing HyperCore's orderbook liquidity.
Crypto & Web3Fintech
Chandler(Co-founder)Stenton(Co-founder)Aidan(Head of Engineering)
Co-investorsChapter OneHivemind Capital PartnersRockawayX6th Man VenturesAmber GroupHivemind Capital LLC+1 more
Revolutionizing real estate asset management
Chicago, US
Daniel Duffy(Executive Officer, Director, Promoter)Gary T. Rabine(Director)Gary Austin Rabine(Executive Officer, Director)
Solayer is a hardware-accelerated blockchain and financial platform that enables trading of crypto, equities, and commodities on a high-performance L1 blockchain, along with a crypto-native payment card for global spending.
Crypto & Web3Fintech
Co-investorsFOMO VenturesHack VCBig Brain HoldingsPolychain Capital
Solayer operates a hardware-accelerated Solana validator that offers staking services through its sSOL liquid staking token, capturing maximum MEV rewards for depositors.
Crypto & Web3Data & InfrastructureFintech
Jason Li(Founder)Rachel Chu(Founder)
Co-investorsBig Brain HoldingsBorderless VentureFOMO VenturesLvna CapitalMaelstromPolychain Capital
Surus is a financial infrastructure platform offering qualified custody, reserve management, and token issuance for digital asset builders, backed by its own North Carolina-chartered trust company.
Crypto & Web3Data & InfrastructureFintechWashington, US
Bradley Gibson(Chief Technology Officer)inBethany Wheeler(Chief Trust Officer)inJennifer Hoopes(Chief Legal Officer)inRachel Trujillo(Chief Compliance Officer)inPatrick Murck(Founder & CEO)in
BoardNic Carter(Director)in
Co-investorsFinancial Venture StudioRestive VenturesCastle Island Ventures
Telly builds a television platform designed as a central hub for home entertainment, information, fitness, and social connection.
AdTechConsumerHardwareMedia & EntertainmentSan Francisco, US
Ilya Pozin(Founder)inMohammad Al Adham(Executive Officer, Director)
BoardCameron Lester(Director)Nasser Al-Sabah(Director)Mohammed El Saadi(Director)
Co-investorsEverybody VenturesFourward VenturesGreat Oaks Venture CapitalHawke VenturesLightShed VenturesMech Ventures+7 more
Tenstorrent designs and manufactures AI hardware accelerators and develops open-source software tools for deploying and running large language models at scale.
AI & Machine LearningDeep TechHardwareToronto
Ljubisa Bajic(Founder)inJim Keller(Chief Executive Officer)inIvan Hamer(Founder)Milos Trajkovic(Founder)in
BoardGreg Reichow(Director)inMike Shaver(Director)
Co-investors1/1 CapitalA'Z AngelsAdvaita CapitalAF WPartnersClaritas CapitalHakluyt Capital+13 more
Unblocked helps brands run managed advertising campaigns on Reddit, including native content placement across subreddits and exclusive partner ad units to reach buyers in high-intent discussion threads.
AdTechAI & Machine LearningCreator EconomyMarketing TechSocial
Co-investorsB Capital GroupBAM VenturesHawke VenturesResolute Ventures
Underdog Fantasy offers a sports predictions and betting product where users make picks on team outcomes, spreads, totals, moneylines, and parlays for entry amounts from $1 to $2,000.
ConsumerGamingSports TechBrooklyn, US
Jeremy Levine(Founder)inJena Pollock(Executive Officer)inBrandon Alan Stakenborg(Executive Officer, Director)Brandon Stakenborg(Founder)Trevor John(Founder)
Co-investors305 VenturesAcies InvestmentsBackwards CapitalDarco CapitalMantis CapitalNight Capital+6 more
Unicorn Auctions is a digital marketplace for spirits and wine, connecting buyers and sellers through an auction platform with secure storage vaulting services.
ConsumerE-commerceFoodTechMarketplacesBardstown, US
Peter Loftin(Founder)
Co-investors37 Angels640 OxfordLightbankNew Leaf InvestMantis Capital
Vivrelle is a membership service that gives subscribers access to luxury accessories such as handbags and jewelry across four membership tiers, including unlimited personal stylist appointments and brand partner perks.
Circular EconomyConsumerE-commerceNew York, US
Wayne Geffen(President)inBlake Geffen(Executive Officer, Director)inJodi Kessler(Director)in
BoardHarry Hurst(Director)inJacqueline Marshall Siegmund(Director)Zachary Coopersmith(Director)
Co-investorsOrigin VenturesPLUS Capital
The page promotes Jun88, an online sports betting and gambling brand, featuring celebrity brand ambassadors such as Andrea Pirlo, Manny Pacquiao, and Roberto Carlos.
Gaming
Co-investorsKube VCa16z cryptoAndreessen HorowitzBetter CapitalCreditcoinElectric Capital+2 more
Walrus Memory is a portable memory layer for AI agents that stores encrypted, verifiable context on the Walrus data platform so agents retain memory across sessions, apps, and runtimes.
AI & Machine LearningCloud ComputingCrypto & Web3Data & InfrastructureDeveloper Tools
Co-investorsElectric CapitalLvna CapitalRaptor GroupStandard Cryptoa16z cryptoFranklin Templeton
Winden provides business banking for companies, including a Visa credit card with 2% cash back, virtual cards, business accounts, invoicing, and payments.
AI & Machine LearningFintechSaaSLos Angeles, US
Daniel Sathyanesan(Founder)in
Co-investorsAccelMoth FundBetter Tomorrow VenturesRamp
An online marketplace connecting language learners with native and professional tutors for one-on-one lessons across 150+ languages.
ConsumerEdTechMarketplaces
World Liberty Financial is a DeFi platform offering the USD1 stablecoin, lending markets, and an AI agent payments SDK.
Miami, US
Zachary Folkman(Executive Officer, Director, Promoter)Chase Herro(Executive Officer, Director, Promoter)
Co-investorsLD CapitalRR2 Capital
x.ai builds frontier AI reasoning models, real-time voice AI, and generative media systems.
AI & Machine LearningDeep TechDeveloper ToolsEnterprise SoftwarePalo Alto, US
Yuhuai (Tony) Wu(Founder)inDennis Mortensen(Executive Officer, Director)Alex Poon(Director)Greg Yang(Founder)inGuodong Zhang(Founder)inIgor Babuschkin(Founder)in
Co-investors7percent VenturesAbstract VenturesAccess Ventures (New York)Aglae VenturesAmity VenturesAndreessen Horowitz+71 more
YieldPoint operates a multi-chain crypto yield platform whose first product, Unity ($UTY), is a dollar-pegged, tokenized market-neutral position that generates yield from crypto trading activity rather than price direction.
Crypto & Web3Fintech
David B. Markley(Founder)in
Co-investorsBorderless VenturePaper VenturesBlizzard the AvalancheBorderless CapitalChainview CapitalMantis Capital
ZeroClick turns APIs and products into agent-purchasable services with x402 and MPP payments, discovery and analytics.
Ryan Hudson(Founder)
Co-investorsLudlow VenturesForerunner Ventures
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
Breakaway GroupCertifydeDFDVEnhanceEpirusGigaBrainMiraiNubitProject PrometheusSpectralTinwell LabsTradoorYieldPoint
Exits · 3
3 acquisitions · showing 2Portfolio news
latest coverage across their companiesAtoms · finsmes.com · Jul 23, 2026
Glacis · finsmes.com · Jul 16, 2026
Agentio · prnewswire.com · Jul 13, 2026
Pogo · trysignalbase.com · Jun 12, 2026
xAI · techcrunch.com · Jan 6, 2026
Fifth Door · gamesbeat.com · Nov 24, 2025
Deblock · eu-startups.com · Nov 19, 2025
Exowatt · techcrunch.com · Nov 14, 2025
Frequently asked questions
- How many investments has Protagonist made?
- Protagonist has 101 tracked investments, 3 of which have exited, including 14 dated in the last 24 months.
- What stage does Protagonist invest at?
- Protagonist invests at the Seed, Series A, Series B, Series C, Growth stages.
- What is Protagonist's typical check size?
- Protagonist typically writes checks of $10K – $1M.
- What sectors does Protagonist focus on?
- Protagonist focuses on AI & Machine Learning, Cloud Computing, Consumer, Crypto & Web3, Deep Tech, Defense Tech, Digital Health, Energy, Enterprise Software, Fintech, Hardware, Healthtech, Media & Entertainment, SaaS, Semiconductors.
- Where is Protagonist located?
- Protagonist is headquartered in Bay Harbor Islands, US.
- Does Protagonist lead rounds?
- Protagonist typically participates in rounds rather than leading them.
- Who does Protagonist co-invest with?
- Protagonist most often shares deals with Arrington Capital, Paper Ventures, Andreessen Horowitz, among 280 tracked co-investors.
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