Funny enough - Satya Nadella introduced a new mission statement at Microsoft shortly after he became CEO[1].

It's pretty anodyne, but by design - it's a way to push the company towards different ways of operating by creating a pretext to say "X project is part of the new mission and here's why" from a top-down perspective.

1. https://www.geekwire.com/2015/exclusive-satya-nadella-reveal...