Robert Mercer is a hedge fund manager at Renaissance Technologies who earned $125 million in 2011.  He has contributed $500,000 to Club for Growth Action (the Super PAC associated with Club for Growth), as of August 2012. He has also contributed $1 million to Restore Our Future, the Super PAC supporting GOP presidential candidate Mitt Romney.
- The 40 Highest-Earning Hedge Fund Managers Forbes, March 1, 2012, Accessed August 24, 2012
- http://www.opensecrets.org/pacs/lookup2.php?strID=C00487470&cycle=2012 OpenSecrets.org, Accessed August 24, 2012
- FEC Filing http://query.nictusa.com/cgi-bin/dcdev/forms/C00487470/806066/sa/ALL FEC.gov, Accessed August 24, 2012
- Restore Our Future donors, Open Secrets, accessed August 28, 2012.