T-Mobile US announced the appointment of Ulf Ewaldsson as President of Technology in place of Neville Ray, who will retire this fall.

Ulf Ewaldsson

Ulf Ewaldsson joined T-Mobile in January 2019 as senior vice president, Technology Transformation. In 2021, T-Mobile promoted Ulf Ewaldsson to EVP and Chief Network Officer. T-Mobile did not reveal the salary package to Ulf Ewaldsson.

Ulf Ewaldsson leads a field team responsible for build, operation, and maintenance of T-Mobile’s network. In four years since joining the Un-carrier from Ericsson, Ulf Ewaldsson has led a team that has played a critical role in achieving milestones for T-Mobile as it has become a 5G leader and is emerging as an overall network leader in the U.S.

Prior to T-Mobile, Ulf Ewaldsson previously had several group executive positions during a 27-year career at Ericsson, including Group CTO. He has been involved in developing and globalizing industry standards such as 3G, 4G and 5G.

He has been instrumental in helping to create innovative mobile communication products, such as multi-standard RBS, antenna-integrated and femto base stations, narrowband IoT, and virtualized network core products.

Ulf Ewaldsson holds a Master of Science and Master of Business Management from Linkoping Technical University.

Current senior leadership team members Executive Vice President and Chief Information Officer Brian King, Executive Vice President and Chief Technology Officer Abdul Saad, and Executive Vice President Advanced and Emerging Technologies John Saw will remain in their roles, reporting to Ulf Ewaldsson after the transition, T-Mobile said.

Neville Ray

Through his 23 years at T-Mobile, Neville Ray has played a critical role in architecting the Un-carrier’s network strategy – from 2G to 5G.

Neville Ray has been responsible for the management and development of T-Mobile’s wireless network, technology services, and technology operations. Neville Ray joined T-Mobile in April 2000.

He has been at the forefront of several T-Mobile milestones and industry firsts, including the launch of 3G, the launch of the first Android smartphone using UMTS, the launch of HSPA+ 4G, the LTE and coverage, the combination with Metro PCS, and acquisition of 600MHz spectrum, T-Mobile said.