BREAKING  Zenysis deploys in ~10 countries across three continents $22M raised over five rounds HARMONY certified as a Digital Public Good Mozambique cholera cases: 400/day → 0 in one month Backed by Gates Foundation + Peter Thiel Founded 2016 by ex-UN diplomat Jonathan Stambolis Open source, GPL v3, on GitHub BREAKING  Zenysis deploys in ~10 countries across three continents $22M raised over five rounds HARMONY certified as a Digital Public Good Mozambique cholera cases: 400/day → 0 in one month Backed by Gates Foundation + Peter Thiel Founded 2016 by ex-UN diplomat Jonathan Stambolis Open source, GPL v3, on GitHub
The YesPress Profile  /  Global Health Tech  /  San Francisco & Cape Town

Zenysis Technologies

The company quietly building the plumbing that lets governments turn messy health data into decisions.

Zenysis Technologies logo

The logo, in Zenysis blue. Underneath it: a data warehouse, twenty-odd chart types, and a bet that the hardest health problems are stuck in systems that were never built to talk to each other.

2016
Founded
~10
Countries
$22M
Total Raised
GPL v3
Open Source
The Feature

A Data Company That Refuses to Be Boring About Boring Data

There is a genre of software company that sells you a dashboard and calls it a revolution. Zenysis Technologies is not quite that company, which is interesting, because on paper it looks exactly like it.

Here is the pitch, and I want you to notice how ordinary it sounds: Zenysis takes data that lives in a lot of different computer systems - health program records, financials, geospatial layers, surveys - and puts it into one place so that a human being can look at it and decide something. That is it. That is the product. In the enterprise-software world this is the least glamorous thing you can do, the digital equivalent of organizing someone else's garage.

The twist is who the garage belongs to. Zenysis's customers are governments - specifically the ministries of health of low- and middle-income countries, the people responsible for vaccinating children and stopping cholera and figuring out where the tuberculosis is before it becomes a problem. These are organizations with enormous stakes and, historically, terrible tooling. They have the data. They have often had the data for years. What they have not had is any way to see it all at once.

The reason this matters is that a disease outbreak is, among other things, an information problem. In 2014, during the West Africa Ebola crisis, a lot of very smart and very brave people discovered that the numbers they needed to respond existed somewhere - in a district office, in a spreadsheet, in a system that did not connect to any other system. One of those people watching from a distance was Jonathan Stambolis, a diplomat who had represented Australia at the United Nations and advised the Secretary-General on pandemic preparedness. He concluded that the missing piece was not more data or more money but software that could make the data legible. Two years later he started Zenysis.

"Our next-generation technology helps health systems unleash the full power of their data to improve lives at scale." — Zenysis Technologies

The Product Is Called Harmony, and Yes, That Is the Whole Idea

The flagship is a platform called Harmony. It ingests data from any number of siloed information systems - and critically, it does this without asking the government to rip out or modify the systems it already runs. This is a small design decision that turns out to be an enormous business decision. Governments do not enjoy being told that their existing infrastructure is garbage and must be replaced. Zenysis's approach is closer to: keep everything you have, we will just make it talk. Adoption tends to follow respect for what people have already built.

Once the data is in, Harmony offers the usual analytics furniture - more than twenty visualization options, automated dashboards, data-quality assessment tools - sitting on top of a data warehouse built with Apache Druid, the same class of high-speed query engine that ad-tech companies use to slice billions of ad impressions. It is genuinely capable software. But the part that separates Zenysis from a thousand BI vendors is the delivery model: the company sends multidisciplinary teams into the field - engineers alongside actual public-health practitioners and data scientists - to run discovery, design, delivery, and long-term support. The code is maybe half the product. The other half is the humans who make the code useful to an overworked health officer with a spotty internet connection.

The Cholera Number

If you want a single data point that explains why anyone funds this, it is Mozambique in 2019. After cyclones Idai and Kenneth flattened the region, a cholera outbreak followed. Zenysis's software helped the government track and respond to it, and in the hardest-hit province, daily case counts fell from around 400 to zero within a month. You should treat any single before-and-after number with a healthy skepticism - epidemics have their own arithmetic, and software does not cure cholera. But data that helps responders find the cases faster is data that moves, as opposed to data that sits, and moving is the entire point.

Zenysis wants to be, in its own framing, the government "operating system" for public health in low-income nations. — as reported by Devex

Open Source as a Strategy, Not a Slogan

In 2020 Zenysis did something a lot of enterprise founders would find insane: it open-sourced Harmony. The platform is now released under GPL v3, lives on GitHub, and has been certified as a Digital Public Good by the DPG Alliance. The logic is not charity, or not only charity. When your customer is a national government spending public money on critical infrastructure, "you can inspect every line and you are not locked into us" is a competitive advantage, not a giveaway. Trust beats lock-in when the buyer is a state.

The funding history reflects the same mission-first posture. Zenysis has raised about $22 million over five rounds - a $2.8M seed in 2016, a $5.8M Series A in 2018, and a $13.3M Series B in 2022 led by the Steele Foundation for Hope. What is unusual is the cap table's range: Peter Thiel was an early angel and 500 Startups was in the seed, while the Bill & Melinda Gates Foundation, Gavi, and the Global Fund provide grant funding. Thiel and the Gates Foundation do not co-sign many of the same bets. When a company sits in the overlap of that particular Venn diagram, it is worth asking what each side saw.

What they saw, probably, is a company that made a deliberate contrarian choice. The Silicon Valley default is to build for the users who already have everything - more convenience for the already-convenienced. Zenysis inverted it. Stambolis has noted, with some diplomacy, that the more developed tech ecosystems did not care much about hitting struggling regions' local health targets. So Zenysis built for the ministries with the hardest problems and the least tooling, in Ethiopia and Rwanda and South Africa and Zambia and Benin and Mozambique and Brazil and Vietnam and Pakistan. It is a smaller market by revenue. Measured in vaccination campaigns run and outbreaks contained, it is a different unit of account entirely.

What You Can Actually Do With It

Concretely: if you run a national health program, Harmony lets you pull your fragmented systems into one workspace, check whether your data is any good, build dashboards that update themselves, run geospatial and granular analysis, and set automated alerts so a problem announces itself instead of hiding. Brazil's Ministry of Health has unveiled public dashboards built by harmonizing systems that previously did not connect. Mozambique runs a national analytics platform for child health and outbreak response. The RBM Partnership uses it for malaria. During COVID it supported vaccination efforts across multiple countries. The through-line is boring in the best way: fewer meetings spent arguing about whose spreadsheet is right, more spent deciding what to do.

The Competition, and Why It's the Wrong Frame

Ask who Zenysis competes with and you get a slightly awkward answer, because the honest one is "the status quo." There is DHIS2, the widely adopted open-source health information system that many ministries already run - but Zenysis is often layered on top of systems like it rather than replacing them, which makes DHIS2 as much a data source as a rival. There is Palantir, which has pushed into public health with its own foundation, and there is a long tail of BI vendors and consultancies that will happily sell a government a data warehouse. What none of them quite replicate is Zenysis's specific combination: open-source core, digital-public-good certification, and field teams that pair engineers with epidemiologists. The competitive moat, to the extent there is one, is not a feature. It is a posture.

That posture extends to how the company is built. Zenysis is a distributed team of roughly 31 people split between San Francisco and Cape Town, deliberately close to the work rather than to the venture capital. It hires for a strange blend - people who can write production code and people who have actually sat in a district health office - and the culture bends mission-first, which is both a recruiting advantage and a constraint. Mission-first companies attract people who will not leave for a 20 percent raise; they also have to keep the mission funded, and Zenysis's grant-heavy stack means its roadmap is partly written by Gavi and the Gates Foundation. That is a reasonable trade when your customers cannot pay Silicon Valley prices, but it is a trade, and it is worth naming.

None of this makes Zenysis a sure thing. Grant-funded businesses live and die by the priorities of a small number of large funders, and a company of roughly 31 people is carrying an ambition sized for a government contractor ten times larger. But the thesis is coherent and the track record is real, which is more than you can say for most companies that use the words "big data" and "impact" in the same sentence. Zenysis mostly earns them. The garage, in other words, is getting organized - and in a public-health emergency, an organized garage is the difference between finding the fire extinguisher and not.

What They Build

Products & Services

Flagship · 2016

Harmony

Open-source analytics platform that integrates any number of siloed systems into one workspace. 20+ visualizations, automated dashboards, data-quality tools, and a Druid-powered warehouse. Certified Digital Public Good under GPL v3.

Services

Implementation & Advisory

Multidisciplinary teams of engineers, public-health practitioners, and data experts delivering discovery, design, delivery, and long-term sustainability for government data systems.

Deployments · 2020

National Health Platforms

Country-specific Harmony deployments powering national dashboards, vaccination campaigns, and outbreak response - from Mozambique's NHS Platform to Brazil's Ministry of Health dashboards.

Follow the Money

Funding History

Seed · 2016
$2.8M
Series A · 2018
$5.8M
Series B · 2022
$13.3M

Total ~$22M · Series B led by the Steele Foundation for Hope · Early angel: Peter Thiel · Seed: 500 Startups · Grant funders: Gates Foundation, Gavi, the Global Fund

The Story So Far

Timeline

2014

Ebola exposes a data problem

The West Africa outbreak reveals that responders have data but no way to unify it - the seed of the idea.

2016

Zenysis is founded

Ex-UN diplomat Jonathan Stambolis starts the company and raises a $2.8M seed.

2017

Gates Foundation backing

The Bill & Melinda Gates Foundation commits grant funding for the platform and deployments.

2018

Series A + Global Fund

A $5.8M Series A closes and Zenysis partners with the Global Fund across African countries.

2019

Mozambique cholera response

After cyclones Idai and Kenneth, daily cholera cases fall from ~400 to zero in the worst-hit province within a month.

2020

Harmony goes open source

The platform is open-sourced, later certified as a Digital Public Good under GPL v3.

2022

$13.3M Series B

The Steele Foundation for Hope leads a round to scale across three continents.

2025

Continued Gates support

A new Gates Foundation grant is committed for ongoing work.

Who's In

Partners & Funders

Gates Foundation

Grant funder supporting deployments and platform development since 2017.

Gavi, the Vaccine Alliance

Funds childhood vaccination and outbreak-response work, including Mozambique's NHS Platform.

The Global Fund

Partner since 2018 for HIV, TB, and malaria program deployments across Africa.

Government of Mozambique

Runs the National Health System Analytics Platform for child health and outbreaks.

Ministry of Health, Brazil

Public dashboards built by harmonizing previously disconnected data systems.

RBM Partnership

Uses Zenysis analytics to support malaria program monitoring.

In Their Words

On the Record

"Harness the lifesaving power of data - better healthcare for everyone, everywhere."

"Our next-generation technology helps health systems unleash the full power of their data to improve lives at scale."

"Zenysis aims to be the government 'operating system' in low-income nations."

Watch

Interviews & Demos

Go Deeper

Links & Sources