Michael Sievert is an American business executive, currently the president and chief executive officer (CEO) of T-Mobile US, and a member of the company's board of directors.[5][6][7] In November 2019, T-Mobile announced that Sievert would be promoted from chief operating officer (COO) to CEO in May 2020 when John Legere stepped down.[5] Sievert took control a month earlier than planned, on April 1, 2020, the same day T-Mobile closed its merger with Sprint.[8]
Sievert started his career at Procter & Gamble,[6] where he oversaw brands such as Pepto-Bismol and Crest.[11] He subsequently worked at IBM[6] and Clearwire.[12] He was also executive vice president (EVP) and chief global marketing and sales officer at E-Trade[13][14] and CEO of tablet gaming company Discovery Bay Games.[15] From 2002 to 2005, Sievert was EVP and CMO of AT&T Wireless.[16] He joined Microsoft's Global Windows Group as corporate vice president of product management in 2005, leading preparations for the release of Longhorn (later called Windows Vista).[17][13] In 2008 he co-founded Switchbox Labs,[16] a startup acquired by Lenovo in 2009.[18] In 2012, John Legere, T-Mobile's then-new CEO, hired Sievert as CMO.[19]
Sievert became COO of T-Mobile in 2015,[20] then became the company's president in 2018.[7][21] During this time, Sievert oversaw the "Un-carrier" marketing campaign, which sought to rebrand T-Mobile's public image[22] with a focus on no overage charges,[11] no contracts, unlimited data, and other offerings.[23] In April 2020, Sievert succeeded Legere as CEO of T-Mobile.[8] Under Sievert's leadership, T-Mobile surpassed 100 million total customers,[24] and created the first nationwide standalone 5G network in the U.S.[25][26] Sievert has declared his strategy of focusing on dominating in 5G, saying “We’re making the rules for the 5G era because we’re way ahead — and I mean miles ahead."[27]
In 2023, Sievert's total compensation at T-Mobile was $37.5 million, up 29% from the previous year and representing a CEO-to-median worker pay ratio of 521-to-1.[30]
^Moritz, Scott (18 November 2019). "T-Mobile Taps Sievert to Succeed Turnaround CEO John Legere". Bloomberg. Retrieved 26 August 2020. In his seven years at T-Mobile, the 49-year-old executive ran the "uncarrier" campaign, which featured no contracts, unlimited data plans and free taco Tuesdays.
