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Friday, Jun 26, 2026

Katie Szyman Steps Down from Masimo

Exit comes days after Danaher closed its $9.9 billion purchase of the Irvine medtech firm

Katie Szyman has left her role as chief executive of Irvine-based Masimo Corp.

Her departure, which she announced two days ago on LinkedIn, follows the closure of Danaher Corp.’s $9.9 billion acquisition of Masimo Corp. Szyman departs after serving in the role for just over a year.

Her LinkedIn profile says she’s currently a “senior advisor to Danaher during acquisition integration of Masimo.”

“I am pleased to share—albeit with bittersweet emotions—that I have decided to step down from the CEO role at Masimo,” Szyman wrote on LinkedIn. “Leading Masimo has been an incredible privilege, and I am very proud of the growth and momentum we achieved together. We accomplished a great deal: developing and executing a strategy focused on our core healthcare business, reactivating our industry-leading product pipeline, expanding our talented leadership team, and delivering on our targets every quarter.”

For more details, read the June 22 edition of the Business Journal.

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Nancy Luna
Nancy Luna
Nancy Luna has been the executive editor of the Orange County Business Journal since September 2024. Nancy began her career 30 years ago at the Orange County Register, where she covered a range of beats, including retail, consumer trends, transportation, healthcare, and tourism. Before coming to the Business Journal, she previously worked as a correspondent for Business Insider’s Retail team, where she specialized in writing about the restaurant and food tech industries. Luna contributed to the Business Insider team that won a 2023 SABEW Award for explanatory journalism for their "Warehouse Nation" project. From 2018 to 2020, Luna was a senior editor and tech editor at Nation’s Restaurant News. While there, she covered the largest chains in the country including Taco Bell, McDonald's, Chipotle Mexican Grill and Starbucks. Luna grew up in Orange County and lives in Old Towne Orange with her husband, Brady.

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