From the AP (Obama picks Sotomayor for high court):
Judge Sonia Sotomayor is a self-described "Niuyorican" who grew up in a Bronx housing project after her parents moved to New York from Puerto Rico. She has dealt with diabetes since age 8 and lost her father at age 9, growing up under the care of her mother in humble surroundings. As a girl, inspired by the Perry Mason television show, she knew she wanted to be a judge.
A graduate of Princeton University and Yale Law School, a former prosecutor and private attorney, Sotomayor became a federal judge for the Southern District of New York in 1992.
As a judge, she has a bipartisan pedigree. She was first appointed by a Republican, President George H.W. Bush, then named an appeals judge by President Bill Clinton in 1997.