Updated: 06/05/2017 01:03 PM | First Published: 08/16/2016 12:22 PM

John Legere speaking at one of T-Mobile US events

John Legere with arms wide open, he's wearing an earpiece
John Legere is very active on social media. He is notorious for his Twitter feuds with his rivals AT&T and Verizon. He has also once gotten in a Twitter fight with US President Donald Trump.

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