Fundraising Fox

Raymond Tonsing

InvestorFounder

General Partner at Caffeinated Capital · Board director at Saronic · Board director at Onebrief · Board director at Better Health Technologies

San Francisco, California

Writes $300K – $500K checks · typically $400K

FoundedBetter Health TechnologiesOnebrief · YCSaronic

About

Raymond Tonsing is a San Francisco-based investor and entrepreneur who founded Caffeinated Capital, an early-stage technology investment firm whose portfolio spans Affirm, Airtable, Brex, Color, dYdX, Opendoor, Virta, and Wish. He previously served as a partner at Akkadian Ventures, a secondaries fund that provided liquidity to founders, early employees, and angel investors in private, high-growth tech companies, and before that helped build and run Energy Central and Rigzone, two information platforms serving the energy industry. He holds a B.A. from the University of Colorado, Boulder.

Invests in

AI & Machine LearningBiotechClimate TechCloud ComputingConsumerCrypto & Web3Deep TechDefense TechDeveloper ToolsE-commerceEnterprise SoftwareFintechFuture of WorkHardwareHealthtechInsurTechMarketplacesMedical DevicesPropTechRoboticsSaaSSocial

Board director at Saronic

Intro paths

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In turn, Raymond can intro founders to Saronic's investors below.

Saronic's investors · 26

1Flourish CapitalMountain View8VCAustin · $100K – $50M checks · since 2026Advent InternationalBoston · $1.1B checksAndreessen HorowitzMenlo Park · $500K – $50M checks · since 2025AntiSan Juan · $250K – $30M checksBessemer Venture PartnersRedwood City · $5M – $100M checksCaffeinated CapitalSan Francisco · $3M – $50M checks · since 2025Capital FactoryAustinCubit CapitalDallas · $500K – $3M checksElad GilSan Francisco · $100K – $10M checks · since 2025Ensemble VCAustinGeneral CatalystSan Francisco · $30M checks · since 2025Geodesic CapitalFoster CityGlade Brook Capital PartnersGreenwichID8 InvestmentsNew YorkKleiner PerkinsMenlo Park · $500K – $15M checksNightDragonSan FranciscoPartners ResoluteChicagoPoint72 VenturesNew York · $1M – $75M checksRiverbend CapitalWashingtonSalus VenturesSignalRankSilent VenturesDallas · $1.5M – $3M checksSozo VenturesRedwood CityStaged VenturesSummer CapitalCharleston

Co-founders at Saronic

DMDino Mavrookas
Dino MavrookasCo-Founder and CEO
RLRob Lehman
Rob LehmanCo-Founder and Chief Commercial Officer
VAVibhav Altekar
Vibhav AltekarCo-Founder and CTO
DLDoug Lambert
Doug LambertCo-Founder and COO
PDPatrick DePriest
Patrick DePriestChief Financial Officer
SCSoo Cho
Soo ChoChief People Officer

Board director at OnebriefYC S21

Intro paths

YC

Raymond went through Y Combinator (Summer 2021) — any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Brad Flora, Backing expeditions into the future — the partner who ran Onebrief's batch and knows the company first-hand. YC profile ↗

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In turn, Raymond can intro founders to Onebrief's investors below.

Onebrief's investors · 18

9Yards CapitalNew York · $100K – $10M checksAlchemist AcceleratorSan Francisco · $30K checksAnorak VenturesLos Angeles · $25K – $400K checksBattery VenturesBoston · $500K – $100M checks · since 2026Caffeinated CapitalSan Francisco · $3M – $50M checks · since 2026General CatalystSan Francisco · $30M checks · since 2024Human CapitalSan Francisco · $250K – $200M checksInsight PartnersNew York · $120M – $350M checks · since 2026Kyber Knight CapitalSan FranciscoPROOFArlingtonSalesforce VenturesSan Francisco · $5M – $50M checks · since 2026Sapphire VenturesMenlo Park · $5M – $20M checks · since 2026Signia Venture PartnersMenlo Park · $500K – $2M checksSummit Peak InvestmentsFort WorthU.S. Air Forcesince 2019U.S. Navysince 2023Visary CapitalSyossetY CombinatorSan Francisco · $500K checks · since 2021

Co-founders at Onebrief

GDGrant Demaree
Grant DemareeFounder
RPRafa Pereira
Rafa PereiraFounder
ALAdam Lackey
Adam LackeyExecutive Officer

Board director at Better Health Technologies

Intro paths

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In turn, Raymond can intro founders to Better Health Technologies's investors below.

Better Health Technologies's investors · 1

Caffeinated CapitalSan Francisco · $3M – $50M checks · since 2021

Co-founders at Better Health Technologies

NS
Naama Stauber BrecklerExecutive Officer, Director
AB
Adam BrecklerHead of Product

Experience

  1. Caffeinated CapitalFounder & Managing Partnercurrent2009 — present
  2. TwentyInvestor & Board Membercurrent2025 — presentRosslyn, Virginia
  3. Saronic TechnologiesInvestor & Board Membercurrent2023 — presentAustin, Texas, United States
  4. OnebriefInvestor & Board Membercurrent2021 — presentWashington DC-Baltimore Area
  5. Varda Space IndustriesInvestor & Board Observercurrent2020 — presentEl Segundo, California, United States
  6. AirtableInvestor & Board Observercurrent2013 — presentSan Francisco Bay Area
  7. AvenInvestorcurrent2019 — presentSan Francisco Bay Area
  8. PlaygroundInvestorcurrent2019 — presentSan Francisco Bay Area
  9. Clipboard HealthInvestorcurrent2017 — presentSan Francisco Bay Area
  10. Virta HealthInvestorcurrent2015 — presentSan Francisco Bay Area
  11. Boom SupersonicInvestorcurrent2017 — presentDenver Metropolitan Area
  12. Opendoor.comInvestor2014 — 2023San Francisco Bay Area
  13. WePay (Acquired by JPMorgan Chase)Investor2009 — 2017San Francisco Bay Area
  14. Appurify, Inc. (Acquired by Google, Inc.)Investor, Advisor & Board Observer2012 — 2014San Francisco Bay Area
  15. Akkadian VenturesPartner2010 — 2013San Francisco Bay Area
  16. Parse (Acquired by Facebook, Inc.)Investor2011 — 2013San Francisco Bay Area

Education

  1. University of Colorado BoulderBachelor's Degree, Arts1995 — 1998

Skills & more

Venture Capital60Start-ups36Entrepreneurship20Investments34Corporate Development3Business Development10Portfolio Management11Mergers & Acquisitions3Private Equity25Equities7Due Diligence1Valuation1
+5 moreReal EstateReal Estate DevelopmentStrategic PartnershipsSecondariesManagement

Languages English

From Raymond's professional profile.

Investments

Investor

AffirmAirtableBoom SupersonicBrexDivvy HomesdYdXMightyOpendoorVarda SpaceVirta

Per curated public sources.

Colleagues at Caffeinated Capital

Matthew Volosin
Partner & COO at Caffeinated Capital
Nick Marwell
Caffeinated Scout Fund Manager; Head of Computer Use at Anthropic at Caffeinated Capital
Varun Gupta
Partner at Caffeinated Capital

Network1

Gideon Hayden
Co-Founder and Managing Partner at Leaders Fund

Investors connected to Raymond in public investor directories — a warm-intro map.

Frequently asked questions

Where does Raymond Tonsing work?
Raymond Tonsing is General Partner at Caffeinated Capital and Founder at Saronic and Founder at Onebrief and Founder at Better Health Technologies.
What does Raymond Tonsing invest in?
Raymond Tonsing invests in AI & Machine Learning, Biotech, Climate Tech, Cloud Computing, Consumer, Crypto & Web3, Deep Tech, Defense Tech, Developer Tools, E-commerce, Enterprise Software, Fintech, Future of Work, Hardware, Healthtech, InsurTech, Marketplaces, Medical Devices, PropTech, Robotics, SaaS, Social.
What check size does Raymond Tonsing write?
Raymond Tonsing typically writes checks of $300K – $500K.
What companies did Raymond Tonsing found?
Raymond Tonsing founded Better Health Technologies, Onebrief, Saronic.

Same school

Also attended University of Colorado Boulder164

Chris RustCo-Founder and Partner at Clear VenturesSydney EberhardtInvestor at True VenturesBob ThomasPartner at OxxKirsten SuddathInvestor at Next Frontier CapitalJeff RoseAdvisor at AI CapitalMelissa ChildersOperations Specialist at Foundry

+ 158 more

Shared employers

Also worked at Twenty1

Varun GuptaPartner at Caffeinated Capital

Also worked at Clipboard Health11

Jules MaltzInvestor at IVP (Institutional Venture Partners)Micherice TaoInvestor at IVP (Institutional Venture Partners)Army TunjaiconVice President at CapitalGChris NicholsonVenture Partner at Page One VenturesBo LuFounder/CEO at FutureadvisorWei DengFounder/CEO at Clipboard

+ 5 more

Also worked at Virta Health6

Vishal VasishthCo-Founder & Managing Director at Obvious VenturesTimothy RobertsFellow at High Street Equity PartnersDavid BillOperating Partner at Virta VenturesSimon HayhurstGeneral Partner at Team Ignite VenturesSiobhan Nolan ManginiPartner at VenrockKarin UnderwoodFounder at Verano Health

Also worked at Akkadian Ventures13

Mike CegelskiPartner at Panache VenturesBen BlackCo-Founder and Managing Director at Akkadian VenturesPeter SmithCo-Founder, COO and CCO at Akkadian VenturesCraig NolanPartner at Akkadian VenturesMike DinsdaleManaging Director at Akkadian VenturesDaniel KennedyPartner at Akkadian Ventures

+ 7 more