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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.
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
Valuation & funding
DayTwo funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| 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 | — |
Financials
Revenue and workforce over time
Available revenue and workforce history. Fields without reported data are omitted.
| Year | Revenue | Growth | Employees |
|---|---|---|---|
| 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 |
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.
Comparisons
DayTwo compared with similar companies
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Talent graph
DayTwo's talent
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.






Global footprint
Where DayTwo has talent and traffic
team presence
In the news
Latest news about DayTwo
Recent press, funding announcements, and product moves mentioning DayTwo — open to read from the original sources.
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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