William Daley, 62, Midwest chairman, JP Morgan Chase, and sits on boards of other major companies such as Abbott Laboratories, Boeing and Merck

Ties to Daley: The youngest of Daley's seven siblings, he has long been a Democratic operative in city, state and national politics. He was commerce secretary in the Clinton administration, key supporter of the Obama candidacy, chairman of Al Gore's campaign, and served on the Obama-Biden... Abel Uribe, Chicago Tribune