Elon Musk’s Ex Wife’s Business Advice Goes Viral By Notable Life By Notable LifeView Author|May 1, 2015| Justine Musk, first wife of billionaire Elon Musk, the founder of PayPal and CEO of Tesla and SpaceX (who already made a huge announcement today) has learned a few things about wealth and hard work from her ex-husband, who has... View this article.