Day One Ventures
Venture capitalActively deployingSan Francisco · Pre-Seed–Series C · 5 people tracked
Also known as DAY ONE VENTURES MANAGEMENT LLC
Investment thesis
Day One Ventures invests in early-stage companies with customer obsession at their core and works to accelerate mass adoption of the technologies they build. The firm differentiates itself by combining venture funding with in-house communications, PR, storytelling, and marketing support, helping founders secure tier-one media coverage, hire talent, and launch products. Its portfolio spans AI, fintech, climate and energy, enterprise, future of work, consumer, deep tech, and web3. The team operates globally across San Francisco, London, LA, and Switzerland, positioning itself as a hands-on, high-conviction partner from a company's earliest days.
Source: firm website, verified Aug 11, 2026.
Team · 5 people
from public directories
What they invest in
from 34 of 47 portfolio companiesAI & Machine Learning ×17Enterprise Software ×13SaaS ×13Developer Tools ×6Future of Work ×6Media & Entertainment ×6Climate Tech ×4Consumer ×4
HQs:United States×22South Korea×1
Investments · 47 tracked
founders shown can be your intro path
DoorDash operates a restaurant delivery platform that connects customers with dining establishments across hundreds of cities in North America through a logistics network.
ConsumerE-commerceFoodTechMarketplacesSan Francisco, US
Tony Xu(Founder/CEO)inAndy Fang(Founder)inStanley Tang(Founder)in
PartnerMasha Drokova Bucher· solo GP
Alga Biosciences develops feed additives that reduce methane emissions from cattle — cutting cow burps to combat climate change.
Advanced ManufacturingAgTechBiotechClimate TechSan Francisco, US
Alex Brown(Co-founder and CEO)Daria Balatsky(Founder)inCaroline McKeon(Founder)in
AnyRoad provides a platform for managing and optimizing events, tours, classes, and activations for businesses seeking to build brand loyalty and increase return on investment.
Enterprise SoftwareMarketing TechSaaSSan Francisco, US
Jonathan Yaffe(Co-founder)inDaniel Yaffe(Co-founder)in
Core Memory is a subscription newsletter covering people, objects, and ideas in science and technology.
Media & Entertainment
Abel converts police body camera video into automated police reports, reducing time officers spend on administrative documentation.
GovTechSan Francisco, US
Daniel Francis(Founder)in
PartnerMasha Drokova Bucher· solo GP
Artisan builds an AI-powered platform that consolidates fragmented work software tools and automates repetitive workflows through AI collaborators.
AI & Machine LearningEnterprise SoftwareFuture of WorkSaaSSan Francisco, US
Jaspar Carmichael-Jack(Founder)inSam Stallings(Co-founder)in
Ava provides real-time captioning for conversations to make audio content accessible to deaf and hard-of-hearing people.
AI & Machine LearningDigital Health
Thibault Ducheminz
PartnerMasha Drokova Bucher· solo GP
BlueLabs produces water purification filters and eco-friendly water treatment materials from recycled oyster shells, addressing water contamination and circular economy challenges.
Circular EconomyCleantechClimate TechImpact & Social GoodWellness & FitnessSeocho, KR
정상호 (Sang-ho Jung)
Cabal provides AI-powered relationship intelligence that infers connections from public data for venture capital platform teams, deal sourcing professionals, and sales organizations.
AI & Machine LearningEnterprise SoftwareSaaSNew York City, US
Fahim Ferdous(Founder)in
F5 AI Guardrails is an enterprise security platform that deploys runtime guardrails to protect AI models and agents against adversarial attacks, data leakage, and policy violations while enabling compliance and observability.
AI & Machine LearningCybersecurityEnterprise Software
Neil Serebryany(Cofounder)
PartnerMasha Drokova Bucher· solo GP
PartnerMasha Drokova Bucher· solo GP
Filed is an AI tax preparer for accounting firms and tax professionals, designed to speed up return preparation while keeping human oversight.
AI & Machine LearningFintechLegalTechSaaS
PartnerMasha Drokova Bucher· solo GP
Flow Club is a virtual coworking platform that facilitates focused productivity through live, structured sessions using body doubling and the Pomodoro Technique.
Enterprise SoftwareFuture of WorkSaaSWellness & FitnessSan Francisco, US
David Tran(Founder)in
Haystack connects to Git and Jira to help engineering teams automate best practices, track capacity, and generate reports across the planning, execution, and delivery lifecycle.
Developer ToolsEnterprise SoftwareSaaSSan Francisco, US
Julian Colina(Founder)inKan Yilmaz(Founder)in
Haystack is a GitHub-integrated system that evaluates AI-generated pull requests by analyzing code context, diffs, agent reasoning, and test results to determine whether changes can be merged, require fixes, or need human review.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareNew York City, US
Jake Yatvitskiy(Founder)inAkshay Subramaniam(Founder)in
Invisible builds AI systems and operational infrastructure for enterprises, embedding engineers to map how work actually happens before deploying automation.
AI & Machine LearningDeveloper ToolsEnterprise SoftwareFuture of Work
PartnerMasha Drokova Bucher· solo GP
PartnerMasha Drokova Bucher· solo GP
Netic builds production-grade AI systems that automate end-to-end workflows for essential service industries including home services, automotive, and consumer healthcare.
AI & Machine LearningEnterprise SoftwareMarketing TechSaaS
PartnerMasha Drokova Bucher· solo GP
Orchid provides an electronic health record system with AI capabilities for solo and small-group mental health practices, handling administrative tasks and clinical documentation to reduce manual work.
AI & Machine LearningHealthtechSaaSSan Francisco, US
Joseph Pomianowski(Founder)in
Orchid is a personal assistant that operates via text messaging to help users with organization, information retrieval, and task completion.
AI & Machine LearningConsumerEnterprise SoftwareFuture of WorkSan Francisco, US
Nizar Abi Zaher(Founder)inAdam Wazzan(Founder)in
Praxis Labs is building tools and solutions to improve workplace experiences for all employees.
AI & Machine LearningEnterprise SoftwareFuture of WorkHR TechBrooklyn, US
Elise Smith(Executive Officer, Director, Promoter)Heather Shen(Executive Officer, Director, Promoter)
BoardJeffrey Crowe(Director)
Hypebae is an online media publication covering fashion, footwear, beauty, and streetwear culture from a women's perspective, featuring product launches, brand collaborations, and reviews.
ConsumerMedia & Entertainment
Rainmaker provides a cryptocurrency wallet using account abstraction technology that allows users to open accounts via email, fund them directly from traditional banking sources, and participate in decentralized finance without paying blockchain transaction fees.
Fintech
Carlos Reyes Stoneham(Founder)inBrent Traut(Founder)in
Regie.ai builds a generative AI sales prospecting platform, including AI sales agents that prospect autonomously and RegieOne, an AI-native sales engagement platform.
AI & Machine LearningSaaSSales TechSeattle, US
Matt Millen(Co-founder)Srinath Sridhar(Co-founder)
PartnerMasha Drokova Bucher· solo GP
PartnerMasha Drokova Bucher· solo GP
Symbolica is an AI research lab that combines category theory and type theory to build symbolic reasoning engines.
AI & Machine LearningDeep TechDeveloper ToolsSan Francisco, US
PartnerMasha Drokova Bucher· solo GP
Tivara provides AI agents that automate inbound patient phone calls for healthcare practices, handling scheduling, prescription refills, intake, and after-hours triage while integrating with existing EMR and practice management systems.
AI & Machine LearningHealthtechSaaSNew York City, US
Tej Seelamsetty(Founder)inAumesh Misra(Founder)in
Vibrant Planet Data Commons is a 501(c)(3) nonprofit that generates and publicly shares scientific research on environmental risks, particularly focused on wildfire resilience and forest science.
Climate TechData & InfrastructureGovTechImpact & Social GoodSaaSTruckee, US
Allison Wolff(Executive Officer, Director)Neil Hunt(Executive Officer, Director)Guy Bayes(Executive Officer)Maria Tran(Executive Officer)Scott Conway(Executive Officer)
BoardJames Everett(Director)
VICE is a digital media publisher offering news and cultural content to a general audience across multiple languages.
Media & Entertainment
Wordware is an AI context lab that has developed Sauna, an intelligent workspace assistant designed to learn user preferences, detect patterns, and automate routine tasks to enhance deep work productivity.
AI & Machine LearningConsumerData & InfrastructureDeveloper ToolsEnterprise SoftwareFuture of WorkSaaSSan Francisco, US
Filip Kozera(Founder)inRobert Chandler(Founder)in
PartnerMasha Drokova Bucher· solo GP
World provides cryptographic proof of personhood and identifies users as real humans online, while offering financial infrastructure and decentralized identity services.
AI & Machine LearningCrypto & Web3San Francisco, US
PartnerMasha Drokova Bucher· solo GP
PartnerMasha Drokova Bucher· solo GP
The New Stack is a media publication covering software development, at-scale engineering, and related technology news for software engineering leaders and developers.
Developer ToolsMedia & Entertainment
Exits · 2
IPOs and acquisitions across the tracked portfolioDoorDashNASDAQ: DASHManaging Your Finances with Truebillacq. by Altice
Portfolio news
latest coverage across their companiesDoorDash · simplywall.st · Jul 17, 2026
Orchid · nationthailand.com · Jul 17, 2026
Orchid · nationthailand.com · Jul 17, 2026
Artisan · seekingalpha.com · Jul 16, 2026
Calypso · cambodiainvestmentreview.com · Jul 13, 2026
Haystack · alleywatch.com · Jul 5, 2026
Haystack · alleywatch.com · Jul 5, 2026
Zuma · polity.org.za · Jul 4, 2026
Frequently asked questions
- What stage does Day One Ventures invest at?
- Day One Ventures invests at the Pre-Seed, Seed, Series A, Series B, Series C stages.
- What is Day One Ventures's typical check size?
- Day One Ventures typically writes checks of $100K – $5M.
- What sectors does Day One Ventures focus on?
- Day One Ventures focuses on AI & Machine Learning, Climate Tech, Consumer, Crypto & Web3, Data & Infrastructure, Deep Tech, Energy, Enterprise Software, Fintech, Future of Work, Media & Entertainment, New Materials, SaaS.
- Where is Day One Ventures located?
- Day One Ventures is headquartered in San Francisco, US.
- Does Day One Ventures lead rounds?
- Day One Ventures typically participates in rounds rather than leading them.
Media · Podcasts & interviews
featuring the teamDay One Ventures' Masha Bucher on why every founder needs to be an influencer | Equity Podcast
TechCrunch · Masha Bucher
Masha Bucher: Harnessing the power of storytelling in VC with Day One Ventures
40 Minute Mentor · Masha Bucher · youtube.com
Revolutionizing Communications in VC | Day One Ventures' Winning Formula, ft. Masha Bucher
1947 Rise with Shiva Singh Sangwan · Masha Bucher
Day One Ventures on leading marketing for its portfolio companies with Masha Bucher
Life Self Mastery · Masha Bucher
Masha Drokova: Day One Ventures
Makers Podcast · Masha Drokova
Images
Co-investors · 35
Felicis Ventures is a venture capital firm that backs founders building across artificial intelligence, cybersecurity and defense, energy and resilience, and health and bio.
Soma Capital is a venture capital firm that partners early with founders, emphasizing close relationships and running a fellows program for those just getting started.
Sequoia Capital is a venture capital firm that partners with founders to build technology companies.
Greylock Partners is an early-stage venture capital firm that backs founders building companies at the earliest stages, emphasizing deep, focused engagement with a small number of new investments per partner each year.
Spark Capital is a venture capital firm that partners with founders, known for early investments including leading Twitter's Series B in 2008.
DST Global is a global internet-focused investment firm that backs fast-growing, high-value internet companies. It does not solicit or accept retail investors.
Lerer Hippeau is an early-stage venture capital firm that backs founders across sectors, emphasizing investing in companies before they gain wider recognition.
Fusion Fund is an early-stage venture capital firm backing startups with technical or data advantages in healthcare, enterprise AI, and industrial technology.
Glade Brook Capital Partners is a growth-stage investment firm managing closed-end strategic growth portfolios that have taken capital from unaffiliated investors.
Accel is a venture capital firm that partners with exceptional teams, positioning itself as a first partner to founders globally.
Index Ventures is a multi-stage venture capital firm that backs companies from Seed to IPO and beyond, including through its dedicated seed fund Index Origin.
▶23 more co-investors
Emergence Capital PartnersStride VCPoint NineAtlas VentureKortschak Investments L.P.Two Sigma VenturesMatrixGaingelsFuel CapitalVast VenturesGolden VenturesHummingbird Ventures14WUnstoppable DomainsStrawberry Creek VenturesSunshine LakeIndicator VenturesAllen Institute for Artificial Intelligence Incubator (AI2)Theory Forge VenturesOriginal CapitalStaircase VenturesValhalla VenturesEdsby
Firms observed investing alongside Day One Ventures, from public investor directories. Shared companies are the overlap with Day One Ventures's recorded portfolio.
Similar investors
Everywhere Ventures is an early-stage venture firm that backs founders globally, supported by a community of founders and operators as LPs.
V Ventures is an investment firm backing founders in emerging technologies, deep tech, and sustainable solutions, offering strategic guidance, operational expertise, and a global network alongside capital.
Khosla Ventures is a venture capital firm backing entrepreneurs across a broad range of sectors, from consumer and enterprise software to frontier technology, sustainability, and healthcare.
Callapina Capital is an operator-led, conviction-led venture firm focused on backing Indian-origin founders building category-defining companies across the US-India corridor. It has invested for over a decade with a Fund I portfolio and is now raising Fund II.
Industrial Technology Investment Corporation is the venture capital arm of Taiwan's Industrial Technology Research Institute (ITRI), backing startups across multiple stages and sectors while providing access to ITRI's R&D resources.