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John Saw
Wireless
T-Mobile's Ewaldsson retires amid new leadership changes
Ulf Ewaldsson, T-Mobile's president of technology, will retire and be replaced by John Saw, currently the carrier's CTO.
Masha Abarinova
Aug 26, 2025 9:38am
T-Mobile’s Ray retires, John Saw is named as CTO
Apr 12, 2023 11:44am
T-Mobile pitches 5G Hub, innovation program
Mar 23, 2022 6:46pm
T-Mobile 5G powers Halo’s driverless car service in Las Vegas
Jul 8, 2021 9:15am
T-Mobile initiates new 5G startup program in Georgia
Feb 17, 2021 11:42am
T-Mobile teams on 5G research for nursing tools
Sep 14, 2020 12:28pm
