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Mike Sievert

Mike Sievert

Vice Chairman at T-Mobile

Starbucks•Bellevue, Washington, United States

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Experience24+ Years

Executive Overview

Husband and Dad. Vice Chair (and former CEO) at T-Mobile. Pacific Northwest tech, business, aviation, and maritime enthusiast.

Career Timeline

Professional employment history
  • StarbucksCurrent
    2024–Present· 2 yrs 9 mos
    • Director, Board of DirectorsCurrent
      2024–Dec 2025
  • T-MobileCurrent
    Nov 2012–Present· 13 yrs 11 mos
    • Vice ChairmanCurrent
      Nov 2025–Present
    • Chief Executive Officer
      Apr 2020–Nov 2025
    • President and Chief Operating Officer
      Apr 2018–Apr 2020
    • Director, Board of Directors
      Feb 2018–Dec 2025
    • Chief Operating Officer
      Feb 2015–Apr 2020
    • Executive VP and Chief Marketing Officer
      Nov 2012–Feb 2015
  • Seattle Area Technology CompaniesCurrent
    Feb 2008–Present· 18 yrs 8 mos
    • Investor and EntrepreneurCurrent
      Feb 2008–Present
  • Shaw Communications
    2018–Apr 2023· 5 yrs 3 mos
    • Director, Board of Directors
      2018–Apr 2023
  • Clearwire
    May 2009–Jun 2011· 2 yrs 1 mo
    • Chief Commercial Officer and Chairman of Operating Committee
      May 2009–Jun 2011
  • Switchbox Labs, Inc. (acquired by Lenovo, Inc.)
    Mar 2008–May 2009· 1 yr 2 mos
    • Chief Executive Officer and Co-Founder
      Mar 2008–May 2009
  • Switch and Data
    Feb 2008–May 2010· 2 yrs 3 mos
    • Director, Board of Directors
      Feb 2008–May 2010
  • Washington National Park Fund
    Sep 2006–May 2010· 3 yrs 8 mos
    • Director, Vice-Chair
      Sep 2006–May 2010
  • Microsoft
    Feb 2005–Feb 2008· 3 yrs
    • Corporate Vice President, Global Windows Group
      Feb 2005–Feb 2008
  • AT&T
    Feb 2002–Feb 2005· 3 yrs
    • Executive VP, Chief Marketing Officer
      Feb 2002–Feb 2005

Education

Bachelor of Science (B.S.)

Economics, Marketing, Management

The Wharton School

Executive Relationship Map

Reports To
Mike Sievert
Vice Chair & President
Chief Financial Officer
Chief Technology Officer
Chief Operating Officer

Executive Network Preview

BizKonnect has mapped this leadership network including reporting hierarchies, peer connections, and cross-functional relationships.

Verified Contact Information
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Skills & Expertise

20 of 20 skills
Product ManagementAnalyticsMarketingB2BMarketing StrategyProduct MarketingManagementTelecommunicationsGo-to-market StrategyStrategyStrategic PlanningStrategic PartnershipsCross-functional Team LeadershipCompetitive AnalysisEntrepreneurshipStart-upsLeadership DevelopmentBusiness DevelopmentMarketing CommunicationsWireless