VISIT CNBC.COMX Entrepreneurs EntrepreneursElon Musk’s 3 best pieces of advice for how to be a great leader Catherine Clifford 1 Hour Ago CNBC.com Photo by Kevork Djansezian Elon Musk, founder and CEO of SpaceX SHARES Elon Musk is working to spearhead the global transition to electric vehicles and solar power. He's also trying to make living on Mars...