Parents met while both attended the University of Hawaii
His father was the first African student to attend the university
Parents separated when he was 2, as his father moved to Boston to attend graduate school at Harvard; they divorced in 1964
He would see his father only once more in his life, in 1971
Mother remarried in 1967, to an Indonesian student studying at the University of Hawaii; the family moved to Jakarta, Indonesia, later that year
In 1971, his mother sent him back to Hawaii to live with his maternal grandparents amid concerns for the quality of her son's education
After graduating from Columbia, he worked in New York before moving to Chicago to become the director of the Developing Communities Project; helped establish numerous programs to benefit the South Side's underprivileged families
In 1988, he left Chicago and entered Harvard Law School, where he became the first black president of the Harvard Law Review
He graduated magna cum laude in 1991
Met his future wife, Michelle, when he worked at a Chicago law firm in June of 1989 and she was his mentor
Served as a law-school professor at the University of Chicago from 1992 until 2004, when he was elected to the U
S
Senate
Elected to the Illinois State Senate in 1996
Gained national prominence in 2004 thanks to his stirring performance as the keynote speaker at the Democratic National Convention
Announced his presidential candidacy on February 10, 2007
Became the clear front-runner for the Democratic nomination after Hillary Rodham Clinton suspended her campaign in June 2008
Became the first black U
S
president following his victory in the 2008 election, in which he defeated John McCain by a 365-to-173 electoral-vote margin
In 2009, was awarded the Nobel Peace Prize for his efforts to promote international diplomacy
He became only the third sitting president to win the award, along with Theodore Roosevelt (1906) and Woodrow Wilson (1919)
Defeated Mitt Romney in 2012 to secure a second term as president