Doug Mcmillon has revived Walmart with his infinite mindset after the dismal period from 2009 and 2013 under Mike Duke.
Main reason of revival under Doug Mcmillion is attributed to his infinite mindset and vision of putting people over numbers.
Please read below one such great post(source Fortune.com) that talks about why he is indeed an infinite minded leader.
https://fortune.com/2015/06/04/walmart-ceo-doug-mcmillon/
Simon Sinek makes a mention of Doug Mcmillon in “The Infinite Game”