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Juvenescence

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We're a clinical-stage AI-enabled biotech company developing novel medicines to extend healthy lifespan.

Dublin, IrelandFounded 2016Biotech & Life Sciences
Valuation $500M–1B Latest valuation · 2025
Revenue $1–10M Latest reported FY
Headcount <100 Current team size
Total funding $100–500M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Juvenescence and the history behind them.

About Juvenescence

Juvenescence is a clinical-stage biotechnology company developing medicines aimed at modifying aging and extending the healthy human lifespan. Founded in 2017 by Jim Mellon, Dr. Greg Bailey, and Dr. Declan Doogan, the company operates on a hub-and-spoke model, building a diversified portfolio of assets through investments, joint ventures, and in-licensing compounds. This strategy allows Juvenescence to advance a broad pipeline targeting various mechanisms of aging. The firm has successfully raised approximately $290 million over seven funding rounds to support its initiatives.

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The founders bring a wealth of relevant experience. Jim Mellon, an author and investor, identified the emerging longevity sector as a significant investment opportunity, even authoring a book titled "Juvenescence: Investing in the Age of Longevity". Dr. Greg Bailey, the Executive Chairman, is a physician and serial biotech entrepreneur with a history of financing and founding successful healthcare companies like Medivation and Biohaven. His journey began in emergency medicine, which provided him with a frontline view of age-related health decline, motivating his shift towards prevention. Dr. Declan Doogan previously served as a senior executive in drug development at Pfizer. Together, the leadership team possesses extensive experience in pharmaceutical R&D, finance, and marketing.

Juvenescence's business is structured into several divisions to tackle aging from multiple angles. JuvRx focuses on prescription drug therapies, JuvRegeneration on cell and tissue regeneration, and JuvDataScience leverages artificial intelligence and machine learning to accelerate drug discovery. Its core pipeline includes a PAI-1 inhibitor for fibrosis, a GDF-15 monoclonal antibody, a CD38 inhibitor, and a prescription-strength ketone therapy (Ketone Rx). Beyond pharmaceuticals, the JuvLife division develops intellectual property-protected, non-prescription consumer products, such as supplements and medical foods. One of its first products is Metabolic Switch, a ketone ester drink designed to induce ketosis, developed in partnership with the Buck Institute for Research on Aging.

The company's revenue model is based on developing and eventually commercializing these assets, either through direct sales, out-licensing to larger pharmaceutical partners, or company sales. It also generates revenue from its consumer-facing JuvLife products. Juvenescence's unique structure involves investing in a portfolio of external companies that have their own management teams but benefit from a collaborative ecosystem. Notable investments and collaborations include LyGenesis for organ regeneration, Relation Therapeutics for AI-driven drug discovery, Serina Therapeutics for drug delivery technology, and a recent strategic partnership with M42, an Abu Dhabi-based health-tech company, to establish a drug development hub. Keywords: longevity, healthy aging, drug development, biotechnology, life sciences, age-related diseases, cellular regeneration, tissue engineering, artificial intelligence in drug discovery, PAI-1 inhibitor, ketone ester, Metabolic Switch, Jim Mellon, Greg Bailey, JuvLife, JuvRx, healthspan, anti-aging therapies, regenerative medicine, clinical trials

Source: Dealroom company data

At a glance

Status
Operational
Founded
2016
Headquarters
Dublin, Ireland
Employees
41
Open positions
None listed
Dealroom signal
91.8/100
Industry
Health
Sub-industry
Pharmaceutical, BioTechnology
Sector
Biotech & Life Sciences, Biotechnology, Clinical Decision Service, Clinical Trials, Biotech and Pharma, biotech medtech and e-health, Longevity, science-based
Technology
Artificial Intelligence
Business model
Manufacturing
Client focus
b2b
Investment activity
10 companies, latest Jun 2025
Capital deployed
$94M
Preferred round
SERIES A

Latest news

Press, funding announcements and product moves mentioning Juvenescence.

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Funding history

6 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
LATE VCOther financing Apr 2025 $76M $550M M42
SERIES COther financing Apr 2020 $57M $228M Undisclosed
Showing the latest 2 of 6 recorded eventsBook a demo for the full funding history →

Financials

Revenue, earnings and profit over time

Revenue, earnings and other financial measures where available. Years marked “E” are estimates.

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Growth signals

Juvenescence website traffic

Latest recorded traffic for Juvenescence is 5.8K monthly website visits, up 3.6% over the last three months. Juvenescence's team grew 0% over the past year.

Latest monthly visits5.8K 3-month web change+3.6% 1-year team growth0%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Investors

8 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Seed5 investors entered at this stage

  • Andrew Banks
  • Foresite Capital
  • Jim Mellon
  • Karim Hakimzadeh
  • Apeiron Investment Group

Series A2 investors entered at this stage

  • Grok Ventures
  • IPGL

Series B and later1 investor entered at this stage

  • M42
Team profiled 16 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 8 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.

Global footprint

Workforce and web traffic by country
Workforce by country
5 countries with
team presence
🇬🇧 United Kingdom42.4%
🇺🇸 United States39.4%
🇦🇪 United Arab Emirates6.1%
🇮🇪 Ireland6.1%
🇴🇲 Oman3%
5 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Juvenescence on X, ranked by likes and reposts, corporate channels excluded.

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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