On his first full day in office President Obama froze the salaries of his senior staff and imposed tough new rules for lobbying and for releasing public information.
The president will move quickly to close Guantanamo prison, the controversial detainee base in Cuba started by the Bush administration. ABC News has learned Obama sent a messenger to Capitol Hill to brief members of Congress on orders he plans to sign tomorrow closing the base within a year.
Obama woke up in the White House for the first time and began a whirlwind day, having already set in motion Tuesday major policy changes for the new administration.
On his agenda for Day One, Obama summoned his economic advisers to hammer out details of an economic bailout and called in his top generals to give them new marching orders.
His staff was already putting into effect executive orders to usher in the Obama presidency, as well as his request that military hearings for terror suspects at the Guantanamo prison be suspended for 120 days.
But at a staff meeting to swear in top aides, Obama dropped a bombshell. He was freezing their salaries.
" During this period of economic emergency, families are tightening their belts, and so should Washington," Obama told the assembled staff.
He thanked the staff for accepting the restriction and said, "It's a mark of your commitment to public service."
The president said the salaries of everyone on the White House staff that exceeded $100,000 would be frozen. If the Obama White House pay structure is similar to that of the Bush White House, more than 100 staffers will have six-figure salaries.
Obama went on to spell out restrictions on lobbying after employees leave the White House and vowed that the federal government would be more willing to make information public.
The president said he was issuing the "rules of the road of my administration" to "make government more trustworthy in the eyes of the American people."
"There is too much secrecy in this city," he said. "That era is now over... Information will not be withheld just because I say so."
The adrenaline of taking over the Oval Office must have kicked in, because despite Tuesday's grueling pageant of ceremonies in the numbing cold, and dancing at 10 inaugural balls until 12:55 a.m., the lights snapped on in the residential quarters of the White House before dawn today.
Obama entered the Oval Office for his first day of work at 8:35 a.m. and got to spend 10 minutes alone before the demands of the nation began to demand his attention, White House spokesman Robert Gibbs said. During that time, he read a note left to him by former president George Bush that was addressed, "To #44, From #43." By tradition, notes from the departing president to the incoming president remain secret.
Then the work began. At 8:45 a.m. Chief of Staff Rahm Emanuel entered to discuss the day's busy list of events, and by 9:10 a.m., first lady Michelle Obama joined her husband in the Oval Office.
Obama dove into the thorny Middle East right away, placing phone calls to Israeli Prime Minister Ehud Olmrt, Palestinian President Mahmoud Abbas, Jordan's King Abdullah, and Egyptian President Hosni Mubarak.
Also demanding his immediate attention are Senate confirmation proceedings today for two key Cabinet posts, Secretary of State-designate Hillary Clinton and Treasury Secretary-designate Timothy Geithner.