President Obama (center), accompanied by outgoing Treasury Secretary Timothy F. Geithner (left), announces in the East Room of the White House in Washington on Thursday, Jan. 10, 2013, that he will nominate current White House Chief of Staff Jack Lew (right) as the next secretary of the treasury. (AP Photo/Carolyn Kaster)
President Obama (right) and his chief of staff, Jack Lew, confer. Mr. Lew, who previously served as the president's Office of Management and Budget chief, is said to be under consideration for Treasury secretary. (Associated Press)
** FILE ** Rabbi Abraham Shemtov (from right); Jacob Lew, director of the Office of Management and Budget; and Rabbi Levi Shemtov light the National Menorah on the Ellipse in Washington on Tuesday, Dec. 20, 2011, to mark Hanukkah. (The Washington Times)
Vice President Joseph R. Biden Jr. (center), flanked by Health and Human Services Secretary Kathleen Sebelius (left) and Budget Director Jacob Lew, arrives at the White House for the start of a cabinet meeting on plans to cut government waste, fraud and abuse on Sept. 14, 2011. (Associated Press)
Vice President Joseph R. Biden Jr. (center), accompanied Thursday by budget chief Jack Lew and White House Chief of Staff William Daley, arrives on Capitol Hill to discuss the federal budget with Hill leaders. “We had a good meeting, and the conversation will continue,” Mr. Biden said afterward. (Associated Press)
Office of Management and Budget Director Jack Lew appears before the Senate Budget Committee to defend President Obama's fiscal year 2012 budget as Republicans and Democrats on Capitol Hill square off on federal spending, in Washington on Tuesday, Feb. 15, 2011. (AP Photo/J. Scott Applewhite)
** FILE ** Office of Management and Budget Director Jacob Lew discusses the White House budget on Monday, Feb. 14, 2011, in Washington. (Associated Press)
President Barack Obama walks with budget director Jack Lew and Education Secretary Arne Duncan on the South Lawn of the White House in Washington as they travel to Baltimore, Md., Monday, Feb. 14, 2011. (AP Photo/Charles Dharapak)
Budget Director Jacob Lew talks with the media on Capitol Hill in Washington, Wednesday, Dec. 8, 2010 after attending the Senate Democratic caucus to discuss President Obama's tax-cut deal with the Republicans. (AP Photo/Alex Brandon)
Rabbi Abraham Shemtov, left, Office of Management and Budget director Jacob Lew, center, and Rabbi Levi Shemtov light the National Menorah in celebration of Hanukkah on Wednesday, Dec. 1, 2010, in Washington. (AP Photo/Evan Vucci)
Bloomberg
Jacob Lew, nominee to be director of the Office of Management and Budget, "lacked sufficient concern for the host of economic challenges confronting the Gulf Coast," a Louisiana senator said in explaining why she would hold up his nomination.
ASSOCIATED PRESS U.S. Deputy Secretary of State Jacob Lew, left, and Adm. Mike Mullen, the top U.S. military officer, right, take a question from a reporter during a press conference in Baghdad, Iraq, Tuesday, July 27, 2010.