Ulf Ewaldsson is a telecommunications veteran with over 30 years of experience driving innovation in mobile networks. He spent more than two decades at Ericsson in senior leadership roles, including Head of Radio Base Stations and Head of Core Networks, where he spearheaded advancements in radio access technologies, packet core evolution, and global network deployments. His deep expertise in wireless infrastructure positioned him as a strategic thinker in the evolution from 3G to 5G. Joining T-Mobile US, Inc. in 2012 as Senior Vice President of Network Architecture, Ewaldsson quickly rose to Chief Technology Officer and later President of Technology. In these capacities, he orchestrated T-Mobile's network transformation, pioneering the use of extended-range 600 MHz spectrum for the first nationwide 5G coverage in the U.S., deploying massive MIMO, and achieving standalone 5G launches ahead of competitors. His leadership propelled T-Mobile to consistent top rankings in network speed and reliability by independent testers like Ookla and Opensignal. As Former President of Technology and Former Executive Vice President and Strategic Advisor, Ewaldsson was instrumental in the T-Mobile-Sprint merger, integrating vast networks to accelerate 5G dominance and mid-band spectrum utilization. His visionary strategies earned industry accolades, including multiple JD Power awards, and cemented T-Mobile's position as a U.S. wireless leader, blending technical prowess with business acumen to redefine connectivity.