Joe Kiani
Source of wealth: Medical devices
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The scale of their wealth
Health
The price of life
Let's compare Joe Kiani's fortune with the healthcare spending of a massive country
Joe Kiani could fund the entire healthcare system of DR Congo, with a population of over 105,800,000 people, for approximately 0.6 years.
But even if we compare their fortune with that of a rich country
On the other end, Joe Kiani could cover the healthcare spending of Luxembourg, considered the most heavily funded healthcare system in the world, for 0.2 years.
Education
Buying the future
Let's also compare their fortune with education spending, first with a poor country
Joe Kiani could cover the total cost of Nigeria's education system, the most populous country in Africa with over 243,000,000 inhabitants, for 0.4 years.
And yes, we can also compare it with a rich country
But they couldn't just cover the cost of a poor country; Luxembourg is considered the country with the highest per capita investment in education in the world, and Joe Kiani could pay for it entirely for 0.5 years.
Research
The monopoly on progress
Coming full circle, we think it's also interesting to add another gigantic country
Joe Kiani could fully fund the state research budget of Pakistan, the fifth most populous country in the world with over 260,000,000 inhabitants, for 2.1 years.
And of course, the country that invests the most per capita worldwide
But even if we compare the total wealth of Joe Kiani with Israel, the country that invests the most per capita in research in the world, they could cover the total cost of the system for 0.0 years.
Gold
Everyday luxuries
Joe Kiani's fortune is equivalent to 9 tons of gold. It's hard to process, since we don't usually keep a handful of gold bars in our piggy banks.
A standard gold ring usually weighs between 4 and 7 grams. Let's say this one weighs 5 grams. It's usually 18 karats.
Based on today's gold price (excluding the jeweler's commission, shipping, or anything else), that ring would be worth $546.86.
Joe Kiani could buy 2,293,844 gold rings. That's a lot of fingers and way too many gifts!!
And if you're struggling to visualize that many rings, it would take 0 trucks to transport them. Although Joe Kiani will almost certainly have enough money left over to pay for the gas.
Biography
Joe Kiani founded medical technology firm Masimo Corp., whose devices non-invasively measure oxygen levels in patients' blood in 1989.
Kiani was ousted from Masimo's board and resigned as CEO in September 2024 after activist shareholders won a proxy fight.
An immigrant from Iran who studied electrical engineering in the U.S., Kiani came up with a way to vastly improve the performance of pulse oximeters early in his career.
Following years of struggle to break into the U.S. hospital market, Masimo became the leader in pulse oximetry for hospitals.
Kiani now serves as executive chairman of Willow Labs, which is rolling out techn to nudge people to improve their metabolic health, and as chairman of Like Minded Labs, which launched a virtual collaboration platform.
Danaher agreed to buy Masimo for nearly $10 billion in February 2026.
Financial Assets
Monthly wealth history
Fortune comparison
Historical data not available for comparison