Hewlett-Packard CEO Meg Whitman of Atherton, Calif., gave $100,000 to the pro-Romney "Restore Our Future" Super PAC in January 2012. The ex-eBay CEO landed the HP top job last September after losing a 2010 bid to be California's next governor. Whitman is estimated to have spent a record $141 million of her own money in that race; Forbes has placed her net worth as closer to $1.3 billion. Whitman hasn't given that much to GOP candidates, though, in the last few election cycles. Beyond the Romney-affiliated SuperPAC, presidential candidate John McCain (2008) and Sen. Scott Brown were her only contributions.