Chief operating officer Jim Alling will take on the role as interim chief executive until the position can be filled. René Obermann, the chief executive of T-Mobile USA's parent company, Deutsche ...

Philipp Humm has resigned as CEO of T-Mobile US, the fourth-largest U.S. mobile operator, and will be replaced by Chief Operating Officer Jim Alling on an interim basis. Philipp Humm has resigned as ...

T-Mobile USA's CEO, Philipp Humm, resigned his post Wednesday after two years on the job. T-Mobile, the fourth-largest wireless carrier in the U.S., said Humm "is going to pursue a career outside of ...

T-Mobile USA will soon launch 4G HSPA+ versions of the Samsung Galaxy S and T-Mobile Sidekick phones, T-Mobile CEO Philipp Humm announced early Thursday. The Sidekick, which T-Mobile discontinued last ...

T-Mobile just announced plans to exchange and purchase spectrum from Verizon Wireless in a deal the carrier claimed would improve its “spectrum position in 15 of the top 25 markets” that covers 60 ...