Keith Olbermann (born January 27, 1959) is a former progressive male television talk show host on NBC's and Microsoft's cable news channel MSNBC, where he was the host of the show Countdown with Keith Olbermann. On his show, he was often critical of conservatives such as Bill O'Reilly and George W. Bush. Some compared him to O'Reilly, except that Olbermann was to the left and O'Reilly is to the right. Before being on political shows, Olbermann worked for ESPN as a sportscaster. He once hosted the ESPN sports news show SportsCenter.