Condoleezza Rice was appointed National Security Advisor by President George W. Bush when he took office in 2001. Rice had previously been a professor of political science at Stanford and a prominent public voice on international affairs. As a child, Rice was a gifted student and a prodigy on the piano and she entered college at the age of 15 with the intention of becoming a concert pianist. Along the way she was influenced by political scientist Josef Korbel, the father of former U.S. Secretary of State Madeleine Albright. Rice changed her plans and studied international politics, and by the early 1980s she was teaching at Stanford University. She also worked with the Pentagon and with the administration of George Bush the elder as an expert on foreign affairs. She returned to Stanford during the Bill Clinton administration before being tapped as NSA by the younger President Bush. In January of 2005, after Bush was reelected for a second term, Rice replaced Colin Powell as Secretary of State.