Wal-Mart Foundation President Sylvia Mathews Burwell stands on stage in the East Room of the White House in Washington, Monday, as President Obama announced he would nomination Burwell to head the Budget Office.

Gina McCarthy stands on stage in the East Room of the White House in Washington, Monday, as President Obama announced he would nominate her to head the EPA.

MIT physics professor Ernest Moniz smiles as he stands on stage in the East Room of the White House in Washington, Monday, where President Obama announced he would nominate him for Energy Secretary.