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Zephyr Health

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Helps medical companies make better and faster decisions

San Francisco, United StatesFounded 2011Biotech & Life Sciences
Valuation $0–100M Latest valuation · 2015
Headcount <100 Current team size
Total funding $10–50M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Zephyr Health and the history behind them.

About Zephyr Health

Zephyr Health, established in 2011, operated as an insights-as-a-service provider focused on the life sciences sector. The company was founded by William King, who drew upon his extensive background in global leadership roles at Johnson & Johnson to address the challenge of leveraging disconnected data in healthcare. His experience in sales, marketing, and strategy within the pharmaceutical industry fueled his passion for creating technology solutions to improve efficiency and strategic decision-making.

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The firm's core business was centered on a big data analytics platform, later known as Zephyr Illuminate, designed to organize and visualize vast amounts of global health data. By employing proprietary algorithms, the platform connected disparate data sources—such as public health records from PubMed and the CMS, and conference data—to deliver actionable insights for its clients. The business model was structured as an enterprise software subscription, providing predictive customer and market insights. This service enabled clients to make more informed decisions across the entire product lifecycle, from pre-launch to maturity.

Zephyr Health served a client base that included large pharmaceutical corporations, biopharmaceutical firms, medical device companies, and clinical research organizations (CROs). The platform's primary benefit was its ability to help these organizations identify and engage with the right physicians and institutions, optimize clinical trials, and accelerate the commercialization of new treatments. By doing so, it aimed to significantly reduce the time and expense associated with bringing new therapies to market. The company attracted notable venture backing from investors including Kleiner Perkins, Icon Ventures, and Google Ventures. A significant milestone occurred in October 2018 when Zephyr Health was acquired by Anju Software, a life sciences software platform, integrating its data analytics capabilities into Anju's broader suite of solutions. Keywords: life sciences data, pharmaceutical analytics, medical device insights, healthcare data platform, clinical trial optimization, KOL optimization, physician data, treatment data, product lifecycle performance, big data healthcare, commercializing drugs, market insights pharma, biopharmaceutical intelligence, Zephyr Illuminate, William King, Anju Software acquisition, healthcare business intelligence, drug development analytics, CRO data solutions, customer targeting pharma

Source: Dealroom company data

At a glance

Status
Acquired
Founded
2011
Headquarters
San Francisco, United States
Employees
18
Open positions
None listed
Dealroom signal
42.5/100
Industry
Health, Enterprise Software
Sub-industry
BioTechnology
Sector
Biotech & Life Sciences, Analytics, Biotechnology, Hard Tech, DT and LS, science-based
Technology
Deep Tech
Business model
SaaS
Client focus
b2b

Latest news

Press, funding announcements and product moves mentioning Zephyr Health.

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Funding history

4 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
ACQUISITIONExit Oct 2018 $0 Anju Software
SERIES CEquity / VC Aug 2015 $18M $70M Kleiner Perkins · Icon Ventures
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Growth signals

Zephyr Health website traffic

Latest recorded traffic for Zephyr Health is 250 monthly website visits. Zephyr Health's team grew 5.9% over the past year.

Latest monthly visits250 1-year team growth+5.9%
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Similar companies

Closest operating peers by Dealroom taxonomy

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Investors

4 investors on the cap table

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

Series A2 investors entered at this stage

Other known investors2 additional known investors

  • Anju Software
  • GV
Team profiled 10 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators Hidden — book a demo quality score
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
3 countries with
team presence
🇺🇸 United States60%
🇮🇳 India30%
🇬🇧 United Kingdom10%
3 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Zephyr Health 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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