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Fortune
Fortune
Diane Brady

Masimo founder Joe Kiani vs. activist Politan Capital: A two-year battle comes to a head this week

Joe Kiani, founder of Masimo (Credit: Ramsey Cardy—Sportsfile for Collision/Getty Images)

Joe Kiani remembers the day that everything changed at work. On Feb. 15, 2022, the founder, chairman, and CEO of Masimo announced the $1 billion acquisition of Sound United.  

While Kiani knew the acquisition of consumer audio company by a medical devices company was bound to raise eyebrows, he presumed that Masimo’s track record—and his three-decade-plus tenure at the helm—had earned him the trust of shareholders. He’d announced the deal after a solid quarter, with profits of $68.3 million on sales of $327.6 million. He’d noted that audio technologies could add new capabilities to Masimo’s core products, allowing it to expand in the wearables and “hearables” markets. “To me, the possibilities were compelling,” said Kiani.  

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