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DayTwo

Biotech & Life Sciences · Walnut Creek, United States · Founded 2015

Precision medicine company developing personalized nutrition, diagnostic, and therapeutic solutions MoreLess

In 2015, DayTwo was founded by Yuval Ofek, Lihi Segal, and Marius Nacht, driven by a vision to revolutionize personalized nutrition through gut microbiome science. The company set out to tackle metabolic diseases by offering precision nutrition solutions, leveraging advanced AI and virtual clinical support.

DayTwo's journey began with a focus on understanding the gut microbiome's role in metabolic health. By analyzing the microbiome, they aimed to provide personalized dietary recommendations to improve health outcomes for individuals with conditions like diabetes and obesity.

Over the years, DayTwo attracted significant attention from investors, culminating in a series of funding rounds that fueled its growth. The company successfully raised capital to expand its research capabilities and enhance its technological infrastructure, positioning itself as a leader in the precision nutrition space.

In its quest to provide sustainable solutions for metabolic diseases, DayTwo invested heavily in laboratory facilities and cutting-edge technology. This commitment to innovation enabled them to offer a unique approach to managing chronic health conditions, setting them apart from traditional healthcare models.

DayTwo's impact on the healthcare industry has been profound, as they continue to push the boundaries of what's possible in personalized nutrition. By focusing on the gut microbiome, they have opened new avenues for improving health and wellness, offering hope to millions affected by metabolic diseases.

Valuation $100–500M
Revenue $10–50M
Headcount <100
Total funding $50–100M
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Company overview

DayTwo company information

The essential company record, classifications and operating signals in one place.

Status
Operational
Founded
2015
Headquarters
Walnut Creek, United States
Employees
16
Open positions
None listed
Dealroom signal
67.5
technologyArtificial Intelligenceclient focusb2ctechnologyDeep TechtechnologyMachine LearningtechnologyMobile appsub industryBioTechnologysectorPersonal HealthsectorDiabetesbusiness modelMarketplace & ecommerceindustryHealthsectorAnalyticssectorBiotechnologysectorWeight ManagementsectorMicrobiology

Valuation & funding

DayTwo funding history

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
LATE VCOther financing May 2021 $37M $148M Cathay Innovation · Micron Ventures · 10D · La Maison Partners
SERIES BOther financing Oct 2019 $5M $20M Cathay Innovation · Samsung Next · Longliv Ventures
SERIES BOther financing Jun 2019 $31M $124M Seventure Partners · Johnson & Johnson · Omri Casspi · aMoon Fund
ANGELOther financing Jun 2018 Omri Casspi
SERIES AOther financing Jun 2017 $12M $48M Seventure Partners · Mayo Clinic · Johnson & Johnson · Johnson & Johnson Development Corporation
SEEDOther financing May 2016 Undisclosed
SUPPORT PROGRAMOther financing Dec 2015 Google for Startups Accelerator
SPINOUTOther financing Aug 2015 Weizmann Institute of Science
Showing 8 recorded eventsUnlock the complete deal history →

Financials

Revenue and workforce over time

Available revenue and workforce history. Fields without reported data are omitted.

YearRevenueGrowthEmployees
2026 $19M 0% 16
2025 $19M 0% 18
2024 $19M 0% 29
2023 $19M 0% 61
2022 $19M +0.5% 123
2021 $19M +34% 138
2020 $14M 103
Company filings, research estimates and Dealroom dataOpen the full financial model →

Growth signals

DayTwo website traffic

Latest recorded traffic for DayTwo is 1K monthly website visits, down 16.7% over the last three months. DayTwo's team declined 11.1% over the past year.

Latest monthly visits1K 3-month web change-16.7% 1-year team growth-11.1%
Monthly website visits115 observations · Dec 2016–Jun 2026
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Comparisons

DayTwo compared with similar companies

Dealroom’s weighted taxonomy model identifies the closest operating peers. Company identity and context stay open; selected comparison metrics preview what is available in the platform.

Showing 8 of the closest matchesCompare every metric →

Talent graph

DayTwo's talent

Book a demo to see the people
Team profiled 32 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 7 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Investors

17 investors on DayTwo's cap table

Sourced from Dealroom's funding and investor records. Investor profile links are shown where available.

Seed 1 investor entered at this stage
Omri Casspi
Series A 10 investors entered at this stage
Johnson & Johnson
Seventure Partners
Mayo Clinic
Johnson & Johnson Development Corporation
Marius Nacht
aMoon Fund
10D
Longliv Ventures
Cathay Innovation
Samsung Next
Series B+ 4 investors entered at this stage
Micron Ventures
La Maison Partners
Poalim Capital Markets
Yair Schindel
Other known 2 additional known investors
Google for Startups Accelerator
Weizmann Institute of Science

Global footprint

Where DayTwo has talent and traffic

Workforce by country
2 countries with
team presence
🇮🇱 Israel93.8%
🇺🇸 United States6.3%
2 countries shown

In the news

Latest news about DayTwo

Recent press, funding announcements, and product moves mentioning DayTwo — open to read from the original sources.

See all news

Market sentiment

What the market is saying about DayTwo

An AI-synthesized read of the highest-engagement posts about DayTwo on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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