🦊/Investors

Rising Tide

Venture capital

Pacifica · Pre-Seed–Series B · 19 people tracked

Also known as Rising Tide CL · RISING TIDE FUND MANAGERS, LLC · Rising Tide Seed 2016 · Rising Tide Seed 2017

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Investment thesis

Rising Tide backs innovative companies solving hard problems across a broad range of frontier and deep technology sectors, including healthcare and medical devices, biology and life sciences, space and communications, AI infrastructure, and financial technology. Its portfolio spans companies applying advanced science and machine learning to areas such as drug discovery, electrochemistry-based carbon conversion, optical data movement, and financial exchange infrastructure. The firm emphasizes technology that serves humanity and supports dreamers, builders, and leaders over the long term.

Source: firm website, verified Sep 15, 2026.

Stage
Pre-Seed–Series B
HQ
Pacifica, CA, US
Instruments
Equity
Founded
2010
Private fund assets
$40.2M
VC funds
5
Tracked investments
76
Unicorns
4
Acquisitions
6

Team · 19 people

from the firm's website & public directories
Alicia Robb, PhD.· General Partner
Ameena El-Bibany· General Partner
Barbara Clarke· General Partner
Bethann Kassman· General Partner
Hisham Jazzar· General Partner
Manthi Nguyen· General Partner
Mohammad ElBibany· General Partner
Patricia Costello· General Partner
Rachel Sheinbein· General Partner
Victoria Barnard· General Partner
Wendee Wolfson· General Partner
Knut Nicolai Sand· Executive Officer
Ryan Rockefeller· Executive Officerin

What they invest in

from 35 of 76 portfolio companies

AI & Machine Learning ×16Biotech ×12Deep Tech ×10Data & Infrastructure ×8Enterprise Software ×7Fintech ×7Healthtech ×7Medical Devices ×6

HQs:United States×25Canada×3

Who they back

founder profiles across 17 portfolio companies
35%
solo founders
6 of 17 mapped founding teams
59%
repeat founders
of 29 founders with career history

Founding team size:solo founder×62 founders×43 founders×54+ founders×2

Where their founders studiedfrom 28 founders with education data

Stanford University ×3University of California, Berkeley ×3Harvard University ×2UCLA ×2University of British Columbia ×2

What their founders studiedfrom 29 founders with field-of-study data

Engineering ×10Computer Science ×9Economics ×3Life Sciences ×3Chemistry ×2Finance & Accounting ×2Mathematics & Statistics ×2Physics ×2

Where their founders worked beforefrom 29 founders with career history

Accel Partners ×2AngelList ×2Astranis Space Technologies Corp. ×2Dapper Labs ×2Facebook ×2TapClicks ×2

Accelerator rootsportfolio companies that came through a program

Y Combinator ×5

10 founders hold a PhD · 1 hold an MBA (of 29 with degree data)

Investments · 76 tracked

founders shown can be your intro path

By year:2025 · 12020 · 12019 · 12018 · 14 dated

Activ Surgicalactivsurgical.comin𝕏

Activ Surgical develops intraoperative surgical intelligence technology for surgeons, using AR, AI, machine learning, and sensing to display physiological structures and functions not visible to the naked eye.

AI & Machine LearningHealthtechMedical DevicesBoston, US

Peter Kim(Director)inMichael Ruehlman(Executive Officer)inTodd Usen(Executive Officer, Director)in

BoardEmily Casey(Director)Ashok Krishnamurthi(Director)inDavid Wells(Director)

Co-investorsReimagined VenturesAlumni VenturesArtis VenturesBasecamp FundCastor VenturesCota Capital+8 more

Adstageadstage.ioin

AdStage publishes articles and analysis about digital advertising platforms such as Facebook and Google Ads, covering ad costs, policy changes, and campaign strategy.

AdTechData & InfrastructureMarketing TechMedia & Entertainment

Jason WuinSahil Jain(Founder)in

Co-investors500 Global

Alice Technologiesalicetechnologies.comin

ALICE Technologies offers a construction "optioneering" platform that uses AI to help general contractors create, explore, and update construction schedules to reduce risk, cost, and build time.

AI & Machine LearningConstruction TechSaaSSan Francisco, US

René Morkos(Founder)inRené Morkos, Ph.D.(Founder)in

Co-investorsCreative VenturesBlackhorn VenturesBrick Mortar VenturesFuture VenturesGRIDS CapitalJLL Spark Global Ventures+7 more

Aspect Biosystemsaspectbiosystems.comin

Aspect Biosystems develops bioprinted tissue therapeutics using a platform that combines AI-powered bioprinting, computational design tools, therapeutic cells, and biomaterials to create implantable allogeneic tissues.

AI & Machine LearningBiotechLongevity

Tamer Mohamed(Founder & CEO)inSam Wadsworth(Co-founder & Chief Scientific Officer)inSimon Beyer(Co-founder & Chief Technology Officer)inLeela Paris(Chief Technical Operations Officer)inMike Scott(Chief Development Officer)inRay Smith(Chief Financial Officer)in

Co-investorsAngel ForumCivilization Ventures Management, LlcInBC Investment Corp.JDRF T1D FundPage One VenturesPallasite Ventures+5 more

Astranisastranis.comin𝕏

Astranis manufactures small, high-powered geosynchronous satellites equipped with advanced digital processing technology for global telecommunications and connectivity services.

Advanced ManufacturingDeep TechHardwareSpace TechSan Francisco, US

John Gedmark(Founder/CEO)inRyan McLinko(Founder/CTO)in

Co-investorsAndreessen HorowitzBlack FlagBoxGroupCantos VenturesCherubic VenturesCommonweal Ventures+39 more

Ayar Labsayarlabs.comin𝕏

Ayar Labs develops co-packaged optics (CPO) technology for AI infrastructure, enabling optical connectivity between thousands of GPUs across data center racks.

AI & Machine LearningDeep TechHardwareSemiconductorsSan Jose, US

Mark Wade(Founder & CEO)in

Co-investorsNVIDIAAlumni VenturesBasecamp FundBerkeley FrontierBlue Bear VenturesCastor Ventures+17 more

Bioelectronicabioelectronica.comin

Bioelectronica develops hardware and software tools for accelerated antibody discovery using single-cell protein secretion sorting combined with AI-driven sequence analysis.

AI & Machine LearningBiotechDeep TechMedical DevicesReno, US

Co-investorsCo-Win Ventures

CareSkorecareskore.com𝕏

CareSkore offers an AI and machine learning platform for healthcare providers that aggregates and normalizes patient data to predict population health risks and generate regulatory reports such as PQRS, HEDIS, and MACRA.

AI & Machine LearningDigital HealthHealthtech

Co-investorsCota CapitalLiquid VenturesStorm Ventures

Clouderacloudera.comin𝕏Acquired

Cloudera is a hybrid platform for data, analytics, and AI, serving enterprises and data teams.

AI & Machine LearningCloud ComputingData & InfrastructureEnterprise SoftwareSanta Clara, US

Amr Awadallah(Co-Founder; former CTO)inMike Olson(Co-Founder; CEO (2008-2013); Chairman & Chief Strategy Officer (2013-))inChristophe Bisciglia(Co-Founder)inJeff Hammerbacher(Co-Founder; former Chief Scientist)inOwen O'Malley(Founding team member (early Hadoop architect))inCharles Sansbury(Chief Executive Officer)in

Co-investorsAccelDag VenturesGlynn Capital ManagementGreylock PartnersGV (Google Ventures)Intel Capital+8 more

CoinListcoinlist.coin𝕏

CoinList operates a platform for token sales, pre-IPO stocks, equities, and funds, serving as infrastructure for financial markets and payments onchain.

Crypto & Web3Data & InfrastructureFintech

Brian Tubergen(Founder)inJoshua Slayton(Founder)in

Co-investorsAccompliceBlockchain CapitalCoinFundCollab+CurrencyDigital Currency GroupDigital Finance Group+7 more

Connected Dataconnecteddatacompany.com

The Connected Data Company connects businesses to a network of external data partners, then optimises and activates that data for insights, decision-making, and debt collection optimisation.

AI & Machine LearningData & InfrastructureFintechSanta Clara, US

Geoff Barrall(Executive Officer, Director)

BoardBrad O'Neill(Director)Christopher Woods(Director)

Co-investorsAurelia VenturesMaven Capital Partners

Dapper Labsdapperlabs.comin𝕏

Dapper Labs is a venture studio building products and communities at the intersection of culture and emerging technology, focused on digital ownership, data control, and decentralized platforms for creators and collectors.

ConsumerCreator EconomyCrypto & Web3Sector AgnosticVancouver

Roham Gharegozlou(Founder)inDieter Shirley(Founder)inMikhael Naayem(Executive Officer)inJody Rebak(Executive Officer)in

BoardDavid Pakman(Director)inAlex Shih(Director)

Co-investorsA.Capital Venturesa16z cryptoAndreessen HorowitzAppWorks VenturesChaos VenturesChapter One+40 more

Eridan Communicationseridancommunications.orgin

Eridan builds Software Defined Radios for Private 5G networks, using a proprietary Switch-Mode Direct Polar transmitter with Gallium Nitride power stages to deliver higher signal fidelity and lower power consumption than conventional radios.

Deep TechHardwareSemiconductorsSunnyvale, US

Vivek Pathak(Executive Officer)inDouglas A Kirkpatrick(Executive Officer, Director)Amy Lamboley(Executive Officer)inSusan Kamin(Executive Officer)Paul Draxler(Executive Officer)in

BoardChamath Palihapitiya(Director)

Fly.iofly.io𝕏

Fly.io provides infrastructure and platform services for deploying and running applications in a distributed, globally-connected environment.

Cloud ComputingData & InfrastructureDeveloper ToolsEnterprise SoftwareChicago, US

Michael Dwan(Founder)Jerome Gravel-Niquet(Founder)inKurt Mackey(CEO)inScott Johnston(Executive Officer, Director)Matthew Cunningham(Executive Officer)

BoardMartin Casado(Director)in

Co-investorsAbstract VenturesAndreessen HorowitzFrialeGeodesic CapitalIntel CapitalPage One Ventures+4 more

Grobiogrobio.comin𝕏

GRObio (GRO Biosciences) develops protein therapeutics using non-standard amino acids (NSAAs) via its GRO platform, aiming to improve protein potency, stability, and function.

BiotechDeep TechHealthtechCambridge, US

Daniel J Mandell(Chief Executive Officer)Tracey Lodie(Executive Officer)inChristopher Gregg(Director)

BoardMing Fang(Director)Bruce Beutel(Director)Dan Becker(Director)

Co-investorsLeaps by BayerREDMILEDigitalis VenturesDreamers VCAtlas VentureInnovation Endeavors+1 more

Ledger Investingledgerinvesting.comin𝕏

Ledger is a brokerage and advisory firm specializing in casualty insurance-linked securities (ILS), connecting insurers and reinsurers with institutional capital providers.

FintechInsurTechUnited States, US

Samir Shah(Founder/CEO)inJulien Brissonneau(Executive Officer, Promoter)Aymeric Rabot(Executive Officer, Promoter)

BoardEric Emmons(Director)inVictor Westerlind(Director)

Co-investorsAccelCrosscut VenturesHemisphere Ventures LLCMassMutual VenturesPage One VenturesSignalFire+5 more

Loop Genomicsloopgenomics.comin𝕏acquired by Element Biosciences

Loop Genomics developed long-read sequencing technology that used synthetic long reads to enable full-length sequencing of DNA and RNA molecules on standard short-read sequencers.

AI & Machine LearningBiotechDeep TechHealthtechMedical DevicesSan Francisco, US

Tuval Ben-Yehezkel(Founder/CEO)in

Co-investors11.2 CapitalFusionY Combinator

Messarimessari.ioAcquired

Crypto data, research and disclosure platform covering 40,000+ assets; acquired by Blockworks in June 2026.

Ryan Selkis(Founder)in

Co-investorsAnthemis VentureBlockchain CapitalCoinbase VenturesFabric VenturesFenbushi CapitalFloodgate+15 more

Molecular Assembliesmolecularassemblies.com

Molecular Assemblies uses a Fully Enzymatic Synthesis (FES) technology to produce long, pure, and accurate synthetic DNA oligonucleotides, up to 400 bases, without post-synthesis purification.

BiotechDeep TechNew MaterialsSan Diego, US

J. William Efcavitch, Ph.D.(Treasurer and Chief Scientific Officer)Michael J. Kamdar(President, Chief Executive Officer and Secretary)

BoardDavid Hwang(Director)Larry Stambaugh(Chairman of the Board of Directors)John Nicols(Director)Todd Peterson(Director)

Co-investors11.2 CapitalDCVC (Data Collective)iSelect FundAlexandriaArgonautic VenturesCasdin Capital+2 more

OneChronosonechronos.comin𝕏

OneChronos develops execution platforms for electronic trading using machine learning and mechanism design, serving institutional investors and traders.

AI & Machine LearningFintechMarketplacesNew York City, US

Stephen Johnson(Co-founder)inKelly Littlepage(Co-founder)inRichard Suth(Co-founder)in

Co-investorsAmino CapitalDCVC (Data Collective)Newbury VenturesPage One VenturesY CombinatorAddition+2 more

Puracathpuracath.comJun 2020

PuraCath Medical develops disinfection technology for catheter connections designed to reduce infection risk in healthcare settings.

BiotechHealthtechMedical DevicesSilicon Valley, US

Julia Rasooly(CEO)

Co-investorsCota CapitalGeekdomTransPacific Venture Partners

Quanergyquanergy.comin𝕏

Quanergy develops 3D LiDAR sensing systems and perception software for physical security, smart cities, and industrial automation.

AI & Machine LearningCybersecurityDeep TechHardwareIoTSunnyvale, US

Tianyue Yu(Executive Officer, Director, Promoter)inLouay Eldada(Executive Officer, Director, Promoter)inEnzo Signore(CEO & Co-Founder)inAlexander Turkot(Board Member, Director, and Co-Founder)in

BoardTamer Hassanein(Director)inSteven Beringhause(Director)

Co-investorsAllied Venture PartnersG SquaredManhattan Venture PartnersReshapeTekfen VenturesToba Capital+2 more

Quilt Dataquilt.bioin

Quilt is a data management and governance platform that organizes scientific data stored in AWS S3 into versioned, governed packages for research teams.

AI & Machine LearningBiotechData & Infrastructure

Senso.aisenso.aiin𝕏

Senso builds infrastructure that acts as a verified-context layer for AI agents, enabling organizations to ensure that AI answers align with their actual ground truth.

AI & Machine LearningData & InfrastructureEnterprise SoftwareFintechToronto, CA

Saroop Bharwani(Founder)inThomas Nelson(Founder)in

Co-investorsMendoza VenturesTechstarsY Combinator

Sixasixa.ioDefunct

Sixa provides a cloud-based computer accessed through a client application, allowing users to run software on remote infrastructure rather than local hardware.

Developer ToolsEnterprise SoftwareSan Francisco, US

Co-investorsAVentures CapitalRanch VenturesTaver CapitalY Combinator

Solarea Biosolareabio.comin

Solarea Bio develops plant-sourced living synbiotics (probiotics plus prebiotics) as medical foods targeting inflammatory conditions, starting with bone loss in women with osteopenia.

BiotechHealthtechWellness & FitnessWaltham, US

ILISSA LARIMORE(Executive Officer)GERARDO TOLEDO(Executive Officer, Director)ERIC SCHOTT(Executive Officer)

BoardANULA JAYASURIYA(Director)inMATTHEW WALKER(Director)inNEAL BHADKAMKAR(Director)in

Co-investorsOlive Tree CapitalBold Capital PartnersDigitalDx VenturesGISEV Family OfficeS2G InvestmentsViking Global Investors

Stakedstaked.usacquired by Kraken

Staked provides a staking dashboard for reporting and running Ethereum validators, now integrated into Kraken's staking platform.

Crypto & Web3

Co-investorsBollinger Investment GroupDigital Currency GroupDreamers VCFabric VenturesGlobal BrainLauren Stephanian+3 more

Statflostatflo.comin𝕏Apr 2025 · $2.4M

Statflo provides a business texting platform that enables brands to conduct one-to-one customer conversations at scale.

AI & Machine LearningEnterprise SoftwareMarketing TechSaaSSales TechToronto, CA

Co-investorsExtreme Venture PartnersExtreme Venture Partners LLPGarage CapitalRound13 CapitalElsewhere PartnersGlobalive Capital

Tae Life Sciencestaelifesciences.com

Developing a breakthrough cellular targeted particle therapy based on BNCT

Co-investorsArtis Ventures

Teampayteampay.coin𝕏

Teampay (by Paystand) is an expense management and spend control platform for finance teams that automates expense submission, approval routing, receipt capture, and accounting coding through integrations with ERP systems like NetSuite and Dynamics 365.

Enterprise SoftwareFintechSaaSCalifornia, US

Andrew Hoag(Founder)in

Co-investorsCrosscut VenturesEvolution VC PartnersR136 VenturesSand Hill AngelsTrestle PartnersCrossCut+2 more

Trust Machinestrustmachines.coin𝕏

Trust Machines develops applications built on the Bitcoin network to expand the utility and value of Bitcoin.

Crypto & Web3

Co-investorsDigital Currency GroupHivemind Capital PartnersU First Capital

Unnatural Productsunnaturalproducts.comin𝕏Sep 2019

Unnatural Products is a drug discovery platform company that develops synthetic macrocycles to target previously undruggable disease targets.

AI & Machine LearningBiotechDeep TechMedical DevicesSanta Cruz, US

Cameron Pye(Co-Founder & CEO)inJoshua Schwochert(Co-Founder & CSO)in

BoardVasudev Bailey(Director)in

Co-investorsAbstract VenturesArtis VenturesAsset Management CompanyBetter Ventures Central LlcBlue Bear VenturesDroia Ventures+6 more

Voiceavoicea.comAcquired

Creator of EVA, an Enterprise Voice Assistant that enhances meeting productivity through AI and speech recognition.

Co-investorsCisco InvestmentsDubai Angel InvestorsGreycroftGV (Google Ventures)Mindset VentureWorkday Ventures

Volta Labs, Inc.voltalabs.comin𝕏

Volta develops a hardware and software platform for genomics sample preparation that automates the extraction of biological information.

AI & Machine LearningBiotechDeep TechHardwareHealthtechMedical DevicesRoboticsBoston, US

Udayan Umapathi(Founder)in

BoardNatan Linder(Director)inDavid Singer(Director)Maxim Lobovsky(Director)

Co-investorsBlindspot Ventures Management CoThe E14 FundY CombinatorVillage Global

Womplywomply.comin

Womply built software for small businesses including CRM, marketing, and reputation management tools; it later processed Paycheck Protection Program applications for sole proprietors and 1099 workers through a technology platform provided to SBA-approved lenders.

Data & InfrastructureFintechMedia & EntertainmentSaaSSan Francisco, US

Toby Scammell(Founder & CEO)Jeremy RichardsonCory C.(Founder)in

Co-investors500 GlobalAsset Management CompanyMerus CapitalSageview CapitalStreamlined VenturesTSVC

YesGraphyesgraph.comAcquired

YesGraph uses machine learning to analyze social connections and suggest which contacts users should invite to an app or website, helping applications improve referral and invite conversion rates.

Enterprise SoftwareMarketing TechSan Francisco, US

Ivan Kirigin(Founder/CEO)in

Co-investorsY CombinatorBloomberg BetaNextView Ventures

Other

Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.

AmberdataArmoryAtia VisionAyarBashBraveCastleClanHQDatatronDelivery AgentDownstreamEnableEoniteEvonetixExoFinaeoFuelHiroImmersvInvisible LabsKelzalKrakenMetawaveNXM LabsPactParadeParlioPrecision NanoSystemsRbcReachServiceSkullySkymindSmart CSMSourceeasyThe OceanTribalTwelveWelink

Exits · 6

6 acquisitions · showing 2

Loop Genomicsacq. by Element BiosciencesStakedacq. by Kraken

Portfolio news

latest coverage across their companies

Frequently asked questions

How many investments has Rising Tide made?
Rising Tide has 76 tracked investments, 6 of which have exited, including 1 dated in the last 24 months.
What stage does Rising Tide invest at?
Rising Tide invests at the Pre-Seed, Seed, Series A, Series B stages.
What sectors does Rising Tide focus on?
Rising Tide focuses on AI & Machine Learning, Biotech, Crypto & Web3, Data & Infrastructure, Deep Tech, Digital Health, Fintech, Healthtech, Longevity, Medical Devices, Space Tech.
Where is Rising Tide located?
Rising Tide is headquartered in Pacifica, US.
Who does Rising Tide co-invest with?
Rising Tide most often shares deals with Page One Ventures, Y Combinator, Digital Currency Group, among 178 tracked co-investors.

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