Mike Sievert

Qualifications:

• Public Company CEO Experience
• Technology/Innovation Expertise
• Business Development and Mergers and Acquisitions Experience
• Investor Relations Expertise
• Public Company Governance Experience

Professional Highlights:

Mr. Sievert served as T-Mobile’s chief executive officer from 2020 through 2025. He led a period of significant value creation at T-Mobile, with the company’s market value increasing from about $60 billion to about $260 billion during his time. He oversaw sustained growth relative to competitors in the U.S. wireless industry while strengthening customer loyalty and satisfaction.

Mr. Sievert served as T-Mobile’s President, Chief Operating Officer and Director from 2018-2020, as Chief Operating Officer from 2015-2018, and Executive Vice President and Chief Marketing Officer from 2012 to 2015.

Before joining T-Mobile in 2012, Sievert held leadership roles at Microsoft, AT&T, E*TRADE, IBM and Procter & Gamble. He is a licensed pilot.

Current Public Company Board Service:
• T-Mobile (vice chairman)
• Starbucks

Education:
• BA, Economics, Wharton School of the University of Pennsylvania