https://techcrunch.com/2022/04/05/elon-musk-snags-twitter-board-seat-after-buying-large-stake-in-the-us-social-network/ > Twitter announced this morning via a tweet and a filing with the U.S. Securities and Exchange Commission that Elon Musk, best known for his work at PayPal, SpaceX, and Tesla, is joining the social network’s board of directors. > News broke earlier in the week that Musk had purchased a more than 9% stake in the social media company after criticizing its speech policies publicly in late March. The news that the technology entrepreneur had purchased several billion dollars worth of Twitter stock sent shares of the company sharply higher yesterday.