All Heiko Burdack articles
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PremiumDeutsche Telekom Peoplewatch: Sievert tinkers with T-Mobile US tech leadership
MMM 2023 update: T-Mobile US CEO Mike Sievert’s contract extended to April 2028; Ulf Ewaldsson begins tenure as President of Technology, while John Saw replaces Abdul Saad as EVP and CTO. More…