Masimo Founder’s Dispute Sent to California: Delaware Brief

April 22, 2026, 12:06 PM UTC

Masimo Founder’s Dispute Sent to California

Joe Kiani
Joe Kiani
Photographer: Michael Nagle/Bloomberg

Masimo founder Joe Kiani won a Delaware court ruling Tuesday, sending his dispute with the biotech company back to California, where he first sued for hundreds of millions after losing control to an activist hedge fund.

A judge rejected the company’s bid to litigate the dispute in Delaware’s Chancery Court, where Masimo responded to Kiani’s first-filed California lawsuit — seeking severance worth $450 million at the time — by seeking to invalidate his employment agreement. Kiani stepped down the same day he lost a proxy fight to Politan Capital Management, led by founder ...

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