June 19, 2007: Bush administration officials confirm that White House budget director Rob Portman is resigning. Former Iowa Rep. Jim Nussle to replace Portman.

June 2, 2006: President Bush participates in a swearing-in ceremony for Portman as OMB Director.

April 29, 2005: Portman was appointed United States Trade Representative by President George W. Bush.

Previously Portman served as a Representative of the Second District of Ohio in the United States Congress.

Portman was a Member of the House Ways and Means Committee while in Congress.

Portman served as Vice Chairman of the House Budget Committee while in Congress.

Portman was an associate in the Washington law firm of Patton Boggs from 1984-1986.

Portman worked as an associate and then a partner at the law firm of Graydon, Head and Ritchey from 1986-1989 and 1991-1993 in Cincinnati.

Portman served in the first Bush White House from 1989-1991.

Portman served as Associate Counsel to the President.

Portman served as Director of the White House Office of Legislative Affairs.

Source: Office of the US Trade Representative