MarketWatch: The search for Twitter’s chief executive is now three months old. So what is going on? Executive search experts give a few potential reasons for the delay: The debate within Twitter’s board on the CEO search has to be very complex, especially because interim CEO Jack Dorsey is seen as the favorite. Also, Twitter, which is often mentioned as a potential takeover target, could also be considering an M&A offer, which is not completely out of the question at the current price tag.