barack obama was the 4 4 th president of the united states and the first african american commander - in - chief. he served two terms, in 2 0 0 8 and 2 0 1 2. the son of parents from kenya and kansas, obama was born and raised in hawaii. he graduated from columbia university and harvard law school, where he was president of the harvard law review. after serving on the illinois state senate, he was elected a u. s. senator representing illinois in 2 0 0 4. he and wife michelle obama have two daughters, malia and sasha. 