He was responding to a tweet about board members' stock holdings, saying that with the impending departure of co-founder Jack Dorsey, the board "collectively owns almost no shares." In a tweet on Monday, Musk, who is also chief executive officer of Tesla Inc., said if his Twitter bid succeeds, board members would not be given a salary. Tesla has paid its own directors an annual cash retainer of about $20,000 plus certain additional fees in recent years, but they also each receive stock option grants every few years -- meaning they stand to make tens of millions of dollars or more with Tesla's stock price gains.