Day One Ventures
Venture capitalActively deployingDallas Β· SeedβSeries A Β· 2 people tracked
Also known as DAY ONE VENTURES MANAGEMENT LLC
Investment thesis
Day One Ventures is an early-stage venture capital firm that provides public relations support to its portfolio companies.
Source: firm website, verified Aug 3, 2026.
Team Β· 2 people
from public directoriesWhat they invest in
from 17 of 17 portfolio companiesEnterprise Software Γ9SaaS Γ9AI & Machine Learning Γ8Climate Tech Γ4Future of Work Γ4Developer Tools Γ2Healthtech Γ2Impact & Social Good Γ2
HQs:United StatesΓ15South KoreaΓ1
Investments Β· 17 tracked
founders shown can be your intro pathAlga Biosciences develops feed additives that reduce methane emissions from cattle β 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
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
μ μνΈ (Sang-ho Jung)
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
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
Praxis Labs is building tools and solutions to improve workplace experiences for all employees.
AI & Machine LearningEnterprise SoftwareFuture of WorkHR TechBrooklyn, US
Jeffrey Crowe(Director)Elise Smith(Executive Officer, Director, Promoter)Heather Shen(Executive Officer, Director, Promoter)
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
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 GoodSaaS
Allison Wolff(Executive Officer, Director)Neil Hunt(Executive Officer, Director)Guy Bayes(Executive Officer)Maria Tran(Executive Officer)Scott Conway(Executive Officer)Kim Tie(Director)
Frequently asked questions
- What stage does Day One Ventures invest at?
- Day One Ventures invests at the Seed, Series A stages.
- What is Day One Ventures's typical check size?
- Day One Ventures typically writes checks of $100K β $5M.
- What sectors does Day One Ventures focus on?
- Day One Ventures focuses on Consumer, Crypto & Web3, Data & Infrastructure, Energy, Enterprise Software, Fintech, Future of Work, Media & Entertainment, SaaS.
- Where is Day One Ventures located?
- Day One Ventures is headquartered in Dallas, US.
Media Β· Podcasts & interviews
featuring the teamMasha Drokova: Day One Ventures
Makers Podcast Β· Masha Drokova
Images
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