torricke-bartonDex Torricke-Barton, speechwriter for Mark Zuckerberg and other execs at Facebook, has left the social network and is slated to lead communications for Elon Musk's SpaceX, starting in May.

Torricke-Barton previously held a similar executive communications role for Google's top brass and served as a media consultant for the Office of the United Nations Secretary General, writing speechs and serving as a spokesman.

He was also a founding member of the UN's social media task force.

Re/code first reported the move.