Barack Obama's vice president was Joe Biden. Biden served as vice president throughout both of Obama's terms, from 2009 to 2017

. Biden, a seasoned politician and longtime U.S. senator from Delaware, was chosen for his extensive experience, foreign policy expertise, and ability to appeal to a broad range of voters, complementing Obama's campaign

. During his vice presidency, Biden played a key role in advising the president, shaping policies such as the Affordable Care Act, economic recovery efforts, and foreign relations

. Their partnership was marked by close collaboration and significant influence on the administration's agenda