Top shareholder Elon Musk decides not to join Twitter's board

Top shareholder Elon Musk decides not to join Twitter's board

Tesla CEO Elon Musk speaks during a Tesla event in Palo Alto, California October 14, 2015. REUTERS/Beck Diefenbach

Twitter Inc’s biggest shareholder, Elon Musk, has decided not to join its board, Chief Executive Parag Agrawal said late on Sunday.