Day One Ventures
VC Fund
San Francisco, United States
Day One Ventures is a venture capital firm that backs customer-obsessed companies and spearheads their communications. This enables the Day One team to become actively involved in its portfolio companies and plays a real, tangible role in helping them grow. The firm invests across industries from pre-seed to seed - and occasionally series A, andinvests between $100k and $5 million.Day One Ventures was founded by Masha Drokova, who is an angel investor, entrepreneur, communications executive, and Forbes 30 Under 30 Honoree.
- Total investments:
- 137
- Last investment:
- Lead investor:
- 2%
- Fund size:
- $150M
- Last fund:
Last updated:
For AI agents: llms.txt
Industries Day One Ventures invests in
Stages Day One Ventures invests in
Countries Day One Ventures invests in
Round sizes
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Round size
- Seed
- $2.9M–$17M
- Pre-Seed
- $200k–$4.1M
- Series A
- $9M–$30M
Investment Focus
Industry
- Software 25 (18%)
- Artificial Intelligence 21 (15%)
- Financial Services 12 (9%)
- Information Technology 12 (9%)
- SaaS 10 (7%)
Stage
- Seed 67 (49%)
- Series A 25 (18%)
- Pre-Seed 14 (10%)
- Series B 9 (7%)
- Venture - Series Unknown 4 (3%)
Country
- United States 78 (57%)
- United Kingdom 6 (4%)
- Canada 2 (1%)
- Kenya 1 (1%)
- Spain 1 (1%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
Drake Rehfeld
Principal
|
Principal | Total investments: 1 | Find email | |
Masha Bucher
Founder and General Partner
|
Founder and General Partner | Total investments: 1 | Find email | |
Masha Bucher
Founder and General Partner
|
Founder and General Partner | Total investments: 10 | Find email | |
Natalie Issa
Head of Communications
|
Head of Communications | Total investments: 0 | Find email |
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Tivara designs software to help doctors quickly automate prior authorization requests, so care is delivered faster. | $3.6M / Seed / Jan 08, 2026 | ||
| RMFG builds autonomous sheet‑metal manufacturing and runs an online service for custom components. The platform accepts STEP files, returns instant quotes, and produces laser‑cut parts with optional CNC bending and weldments. Capabilities cover prototypes and small‑batch production for hardware startups. Lead times include expedited options, withtwo‑day turnaround available on select orders. Software‑driven automation streamlines ordering, fabrication, and delivery. | $4.5M / Pre-Seed / Dec 04, 2025 | ||
| Netic provides an AI-driven platform designed to automate and optimize customer engagement and operational workflows for essential service industries, including HVAC, plumbing, electrical, and appliance services. The platform autonomously handles inbound communications across various channels—such as calls, texts, and web chats—by bookingappointments and managing inquiries directly within existing CRM or field service management systems . Utilizing generative AI models, Netic's system assesses customer interactions to prioritize urgent requests, predict maintenance needs, and initiate targeted outreach campaigns based on factors like weather patterns and service history . This approach aims to enhance technician utilization and reduce missed revenue opportunities during periods of fluctuating demand . Additionally, Netic offers analytics tools that provide insights into customer interactions and operational performance, supporting data-informed decision-making . | $23M / Series B / Nov 13, 2025 | ||
Pilgrim
|
Pioneering a biologically enhanced future for humanity. | $4.3M / Seed / Aug 06, 2025 | |
| Root is a communication and productivity software platform designed to meet the needs of online communities. It offers tools for connecting, chatting, and discovering unique communities where people from all over the world can share common interests. Root provides an extensible platform that allows developers to create custom experiences withlimitless capabilities through front and back-end integrations. The platform is natively built to ensure better performance and integration, aiming to improve user experience and productivity. Root also offers developer assistance, handling aspects like networking code, hosting servers, and scaling to millions of users, enabling developers to focus on building their unique ideas. | $9M / Seed / Jun 17, 2025 | ||
| Netic provides an AI-driven platform designed to automate and optimize customer engagement and operational workflows for essential service industries, including HVAC, plumbing, electrical, and appliance services. The platform autonomously handles inbound communications across various channels—such as calls, texts, and web chats—by bookingappointments and managing inquiries directly within existing CRM or field service management systems . Utilizing generative AI models, Netic's system assesses customer interactions to prioritize urgent requests, predict maintenance needs, and initiate targeted outreach campaigns based on factors like weather patterns and service history . This approach aims to enhance technician utilization and reduce missed revenue opportunities during periods of fluctuating demand . Additionally, Netic offers analytics tools that provide insights into customer interactions and operational performance, supporting data-informed decision-making . | Seed / Jun 02, 2025 | ||
| Netic provides an AI-driven platform designed to automate and optimize customer engagement and operational workflows for essential service industries, including HVAC, plumbing, electrical, and appliance services. The platform autonomously handles inbound communications across various channels—such as calls, texts, and web chats—by bookingappointments and managing inquiries directly within existing CRM or field service management systems . Utilizing generative AI models, Netic's system assesses customer interactions to prioritize urgent requests, predict maintenance needs, and initiate targeted outreach campaigns based on factors like weather patterns and service history . This approach aims to enhance technician utilization and reduce missed revenue opportunities during periods of fluctuating demand . Additionally, Netic offers analytics tools that provide insights into customer interactions and operational performance, supporting data-informed decision-making . | $20M / Series A / Jun 02, 2025 | ||
| Filed renders digital marketing, social marketing, campaign optimization, retargeting, facebook advertising and social media services. | $17.2M / Seed / May 21, 2025 | ||
| Filed is a software startup specializing in AI-driven tax preparation solutions for accounting firms. Founded in 2024 and headquartered in New York, with a presence in Stockholm, Filed aims to modernize the tax preparation process by automating the full lifecycle of tax returns. The platform integrates seamlessly with firms' existing software,eliminating the need for a major tech overhaul | $17M / Seed / May 21, 2025 | ||
| Filed is a software startup specializing in AI-driven tax preparation solutions for accounting firms. Founded in 2024 and headquartered in New York, with a presence in Stockholm, Filed aims to modernize the tax preparation process by automating the full lifecycle of tax returns. The platform integrates seamlessly with firms' existing software,eliminating the need for a major tech overhaul | $200K / Pre-Seed / May 21, 2025 | ||
| See all 137 investments → | |||
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FAQ
What does Day One Ventures invest in?
Day One Ventures invests primarily in Software, Artificial Intelligence and Financial Services startups, most often at Seed and Series A stage. Most of the 137 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Day One Ventures's check size?
Day One Ventures typically joins rounds of $2.9M–$17M at Seed, $200k–$4.1M at Pre-Seed and $9M–$30M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Day One Ventures participates in.
How do I contact Day One Ventures?
Public channels for Day One Ventures include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
Who are the partners at Day One Ventures?
The team at Day One Ventures includes Drake Rehfeld (Principal), Masha Bucher (Founder and General Partner) and Masha Bucher (Founder and General Partner). The Team section lists each member with their title, investment count and links.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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