O'Neill was such a whiz at mastering the details of Medicare and Social Security that Gerald Ford's White House chief of staff, a young guy named Dick Cheney, promoted him to deputy director of the Office of Management and Budget.

CNN: Turnaround Guy

He's worked as his deputy chief of staff, and now he's the director of the office of management and budget.

NPR: Slate's Politics: Will Card Resignation Soothe GOP?

The committee will be following up this report from the spending watchdog, the National Audit Office, with assorted Ministry of Defence Officials and the Deputy Chief of the Defence Staff.

BBC: Week ahead

Deputy Chief of Staff Dick Darman, who controlled the paper flow in and out of the Oval Office, for example, was often accused of preventing Reagan from seeing memos that argued against positions Darman favored.

NPR: Looking at President Bush, Seeing an 'Impostor'

Coming into office in 2010 amid a recession, she laid off 776 city employees, starting with her deputy chief of staff.

WSJ: The Weekend Interview with Annise Parker: The Modern American Boomtown

However, Lew became increasingly numbers focused, serving as the Associate Director for Legislative Affairs and Deputy Director of the Office of Management and Budget and later, the managing director of Citi Global Wealth Management and chief operating officer Citigroup Alternative Investments.

FORBES: Connect

Others in attendance at the briefing included National Security Advisor Tom Donilon, Homeland Security Advisor John Brennan, Deputy National Security Advisor Denis McDonough, White House Chief of Staff Bill Daley, and John Holdren, the Director of the Office of Science and Technology Policy.

WHITEHOUSE: Press Briefing