Simplify the following text for a Grade 10 native English-speaking person.
Original: He replaced Secretary Paul O'Neill on February 3 , 2003 and was succeeded by Henry Paulson on July 3 , 2006 , in a move that had been anticipated for several weeks .
Simplified: He replaced Secretary Paul O'Neill on February 3 , 2003 and was succeeded by Henry Paulson on July 3 , 2006 , in a move that had been anticipated .