From the given sentence, extract the phrase (often noun or verb) that carries the given relationship. The generated phrase should be present in the sentence.

Given Relationship: 'be president of', Sentence: 'The inauguration of the 44th President of the United States of America , Barrack Obama , captured the hearts of people around the world and ignited celebrations across our country , but at the same time the economy continues to wreak havoc around the globe and raise fears here at home .'
President