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T-Mobile Bringing on Former AT&T Exec Chris Sambar

Mike Katz is leaving the company after 28 years

Jake Neenan

Jake Neenan

— 2 min read
T-Mobile Bringing on Former AT&T Exec Chris Sambar
Photo of Chris Sambar, incoming chief enterprise officer at T-Mobile and former head of network AT&T, from his X profile

WASHINGTON, July 8, 2026 – Longtime T-Mobile executive Mike Katz has left the company, the wireless carrier announced Tuesday.

Katz, the chief business and product officer, left the role to “pursue new professional interests” and will stay on as an advisor through December 2026, the company said in a release. He had been with T-Mobile for more than 28 years.

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