Bill Daley considering run for Illinois governor Chicago - Former White House chief of staff Bill Daley says he's seriously thinking about running for Illinois governor. The brother of former Chicago Mayor Richard M. Daley spoke Thursday before the civic group City Club of Chicago. In his speech he talked about leadership and his father, former Chicago Mayor Richard J. Daley. Bill Daley also talked about Illinois' fiscal problems including the roughly $95 billion in unfunded pension liability. Illinois Gov. Pat Quinn has said he'll seek re-election in 2014. The Chicago Democrat says he's ready for any primary challenger.