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Executive Record

G. Michael Sievert

Chief executive: T-Mobile US, Inc. (before 2014 to 1 Nov 2025)

43commitments announced
30with a clear outcome
23met on time
77%on-time rate

Commitments are credited to the chief executive in office on the day they were announced. Where a deadline fell after the leader left, the entry is marked. Sources for each leadership change: T-Mobile US, Inc. filing.

Commitments announced under G. Michael Sievert

T-Mobile US, Inc.announced 23 Jul 2025 Close the acquisition of Metronet Met24 Jul 2025
T-Mobile US, Inc.announced 24 Jul 2024 Close the T-Mobile and KKR joint venture acquisition of Metronet due after leader left Met31 Dec 2025
T-Mobile US, Inc.announced 27 Jul 2022 Substantially complete decommissioning of the Sprint network Met30 Sep 2022
T-Mobile US, Inc.announced 27 Apr 2022 Complete the migration of Sprint customers to the T-Mobile network Not met30 Jun 2022
T-Mobile US, Inc.announced 27 Apr 2022 Decommission Sprint sites Met31 Dec 2022
T-Mobile US, Inc.announced 11 Mar 2021 Launch in-home broadband for consumers No record found31 Mar 2021
T-Mobile US, Inc.announced 11 Mar 2021 Open approximately 500 new Metro by T-Mobile branded and multi-carrier stores No record found31 Dec 2021
T-Mobile US, Inc.announced 11 Mar 2021 Bring the full Un-carrier TEX experience to legacy Sprint customers No record found31 Dec 2021
T-Mobile US, Inc.announced 11 Mar 2021 Build over 200 new stores in small towns and communities No record found31 Dec 2021
T-Mobile US, Inc.announced 11 Mar 2021 Complete the 5G network build Not met31 Dec 2023
T-Mobile US, Inc.announced 6 Jan 2021 Achieve nationwide coverage for Ultra Capacity 5G service Partly met31 Dec 2021
T-Mobile US, Inc.announced 6 May 2020 Provide free international calling to significantly impacted countries Met13 May 2020
T-Mobile US, Inc.announced 6 May 2020 Increase data allowance to at least 20GB per month for EmpowerED program participants Met30 Jun 2020
T-Mobile US, Inc.announced 6 May 2020 Provide additional 10GB of Smartphone Mobile HotSpot data to eligible customers Met30 Jun 2020
T-Mobile US, Inc.announced 6 May 2020 Provide unlimited high-speed smartphone data to legacy plan customers Met30 Jun 2020
T-Mobile US, Inc.announced 6 May 2020 Provide up to 5GB per month of free data to Lifeline customers Met30 Jun 2020
T-Mobile US, Inc.announced 11 Feb 2020 Provide in-home wireless broadband service to 90% of the population No record found31 Dec 2024
T-Mobile US, Inc.announced 6 Feb 2020 Clear the remaining 600 MHz spectrum POPs No record found31 Dec 2020
T-Mobile US, Inc.announced 25 Jul 2019 Launch 5G on a broad 600 MHz footprint Met31 Dec 2019
T-Mobile US, Inc.announced 25 Apr 2019 Launch 5G network on 600 MHz spectrum No record found31 Dec 2019
T-Mobile US, Inc.announced 25 Apr 2019 Launch 5G on 600MHz spectrum Met31 Dec 2019
T-Mobile US, Inc.announced 25 Apr 2019 Launch a nationwide 5G network Met31 Dec 2020
T-Mobile US, Inc.announced 18 Dec 2018 Complete the merger with Sprint Not met30 Jun 2019
T-Mobile US, Inc.announced 1 May 2018 Deliver 5G in 30 cities No record found31 Dec 2018
T-Mobile US, Inc.announced 1 May 2018 Deploy massive MIMO (FD-MIMO) Met31 Dec 2018
T-Mobile US, Inc.announced 1 May 2018 Roll out 600 MHz-capable smartphones Met31 Dec 2018
T-Mobile US, Inc.announced 1 May 2018 Roll out 20,000 small cells No record found31 Dec 2019
T-Mobile US, Inc.announced 30 Apr 2018 Close the acquisition of Sprint Corporation Late30 Jun 2019
T-Mobile US, Inc.announced 23 Oct 2017 Launch a new 600 MHz compatible device Met31 Dec 2017
T-Mobile US, Inc.announced 23 Oct 2017 Assist WWOR-TV in repacking 600 MHz spectrum No record found31 Mar 2018
T-Mobile US, Inc.announced 19 Jul 2017 Light up first 600 MHz sites Met31 Aug 2017
T-Mobile US, Inc.announced 19 Jul 2017 Clear 600 MHz spectrum for deployment Met31 Dec 2017
T-Mobile US, Inc.announced 19 Jul 2017 Deploy nationwide 5G network Met31 Dec 2020
T-Mobile US, Inc.announced 24 Apr 2017 Begin initial deployment of 600 MHz spectrum Met31 Dec 2017
T-Mobile US, Inc.announced 24 Apr 2017 Open 3,000 new retail stores No record found31 Dec 2017
T-Mobile US, Inc.announced 24 Apr 2017 Launch handsets compatible with 600 MHz spectrum Met31 Dec 2017
T-Mobile US, Inc.announced 24 Apr 2017 Clear at least 10 MHz of spectrum covering over one million square miles Met31 Dec 2017
T-Mobile US, Inc.announced 13 Apr 2017 Begin using 600 MHz spectrum for T-Mobile and MetroPCS customers No record found31 Dec 2017
T-Mobile US, Inc.announced 24 Oct 2016 Extend 256 QAM technology to nearly every cell site in the network Met31 Oct 2016
T-Mobile US, Inc.announced 24 Oct 2016 Close on additional previously announced spectrum transactions Partly met31 Dec 2016
T-Mobile US, Inc.announced 24 Oct 2016 Roll out new 700 MHz sites Met31 Dec 2016
T-Mobile US, Inc.announced 27 Jul 2016 Close the acquisition of 700 MHz A-Block spectrum licenses Partly met31 Dec 2016
T-Mobile US, Inc.announced 17 Feb 2016 Roll out new 700 MHz sites in Boston, San Francisco, Phoenix, San Diego, and Las Vegas No record found31 Dec 2016

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