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Joe Kiani

Joe Kiani

Joe Kiani (#2996)

Global Rank #2996
Country Rank #917
Country United States

I wanted to be a doctor, but my grades weren't that good and chemistry was not my thing. Physics fortunately was. So I switched to engineering.

  • $ 1 B
  • Medical devices
  • United States
  • M
  • 61 Years

Snapshot

Quick Facts

Global Rank #2,996
Country Rank #917
Net Worth $1.3B
Previous Worth $1.3B
Worth Change +$0.0B
Country United States
Industry Medical devices
Age 61 Years
Gender M
Worth As Of May 4, 2026
Last Refreshed 12 Aug 2026, 12:00 AM
Residence Irvine, California
World Billionaires List United States Billionaires Medical devices

Profile Data

Personal Stats

Age 61
Source Of Wealth Medical devices, Self Made
Residence Irvine, California
Citizenship United States
Marital Status Married
Children 3
Education Master of Science in Engineering, San Diego State University; Bachelor of Engineering, San Diego State University
Net Worth Change +$0.0B +0.0% from previous worth
Previous Net Worth $1.3B
Current Net Worth $1.3B

Worth as of May 4, 2026

About Me

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.

Insights

Did You Know?

Kiani's family moved from Iran to Alabama in 1974 for his dad's engineering studies; for a year they lived in a housing project in Huntsville.

Kiani finished high school near San Diego at age 15 and graduated from San Diego State University with a master's degree in engineering at age 22.

Wealth Growth

Net Worth Growth Over Time

Tracking Joe Kiani's net worth journey over the years, highlighting key growth phases and financial milestones.

Worth Trend Net Worth Growth
Period Change Worth Movement
Current Net Worth: $1.3B (May 4, 2026)

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