High Quality Content by WIKIPEDIA articles! Tom Knox is an American businessman and politician. He was second in the Democratic nomination for Mayor of Philadelphia on May 15, 2007. He is notable for his pledge to spend up to fifteen million dollars of his own money in the race. After considering a run in 2008 for state treasurer, Knox announced his entry into the 2010 Pennsylvania gubernatorial election in August of 2008. He ended his gubernatorial camapaign in January of 2010, and endorsed Dan Onorato. Knox is said to be considering running a second run for Philadelphia Mayor in the 2011 election, this time as an Independent.