Dayoneventures
also invests · investor profileSan Francisco, US · 1 known investors
Day One Ventures is an early-stage venture capital firm that invests in founders and provides in-house PR, communications, and marketing support to help portfolio companies launch and gain media coverage. It backs companies across AI, fintech, climate and energy, enterprise, future of work, consumer, deep tech, and web3.
Also known as D1V · Day One Ventures
Founders & leadership

Investors · 1
Company profile
researched Aug 2026Day One Ventures is an early-stage venture capital firm that combines capital with hands-on communications work for the companies it backs. The firm positions itself around storytelling, art and culture, backing early-stage companies it describes as having customer obsession in their DNA, with the stated aim of accelerating mass adoption of the technologies those companies create. Alongside investment, the firm maintains full-time in-house staff who work with portfolio founders on press releases, product and funding announcements, launch campaigns, and broader marketing strategy.
The firm invests across AI, fintech, climate and energy, enterprise, future of work, consumer, deep tech and web3. Named portfolio companies include World (world.org, identity as a public utility, founded by Sam Altman and Alex Blania), You.com (a user-controlled AI search engine led by Richard Socher), Symbolica (structured cognitive architectures for machines, George Morgan), Invisible Technologies (inv.tech, AI-accelerated workflow outsourcing and optimization, Francis Pedraza), Abel (abelpolice.com, AI tooling for police departments, Daniel Francis), Regie.ai (AI-powered content, Srinath Sridhar and Matt Millen), Moonhub (AI candidate sourcing, Nancy Xu) and Ava (real-time AI-based captioning), which is listed as an exit. Founder testimonials on the firm's site reference support such as executive hiring and recruiting help, introductions to journalists and enterprise customers, stealth launches, and coverage in outlets including the Wall Street Journal, CNBC, Forbes, Fortune, VentureBeat and the Today Show.
Business model
The firm invests early-stage capital and bundles in-house public relations, communications and marketing services for portfolio companies rather than charging them for such support; founders describe receiving PR advisory work of a kind normally purchased separately as part of the investment relationship.
▸Full profile — market position, go-to-market, geography
Market position
An early-stage venture investor whose portfolio includes AI and technology companies such as World, You.com, Symbolica, Invisible Technologies, Regie.ai and Moonhub.
Day One Ventures differentiates on operational communications support delivered by full-time internal staff, including partner-level involvement in press releases, launches and media introductions, which founders characterize as value disproportionate to the firm's check size.
Go-to-market
The firm sources and supports founders directly, and runs community programming such as founder dinners and offsite experiences for its portfolio network.
Early-stage founders building companies in AI, fintech, climate and energy, enterprise, future of work, consumer, deep tech and web3.
Geography
Headquartered in San Francisco, with a founder-described global reach spanning San Francisco, London, Los Angeles and Switzerland.
Compiled by commissioned research from 1 cited public sources — announcements, filings, and press listed under research sources below.
Timeline · 1
launches, deals, and filingsDay One Ventures lists Ava (ava.me), a real-time AI-based captioning company, as an exit in its portfolio.
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
▸Research sources · 1
primary sources listed
- Dayoneventuresdayoneventures.com · web
1 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does Dayoneventures do?
- Day One Ventures is an early-stage venture capital firm that invests in startups and runs their communications and PR.
- Who founded Dayoneventures?
- Dayoneventures was founded by Masha Bucher.
- Who are Dayoneventures's investors?
- Dayoneventures's investors include Evolution VC Partners.
- Where is Dayoneventures headquartered?
- Dayoneventures is headquartered in San Francisco, US.