Complex sentence: Huma Mahmood Abedin (born July 28,1976) is an American political staffer who serves as vice chairwoman of Hillary Clinton's 2016 campaign for President and prior to that served as the Deputy Chief of Staff to the U.S. Secretary of State from 2009 to 2013.
Split into simpler sentences: Huma Mahmood Abedin (born July 28,1976) is an American political staffer who serves as vice chairwoman of Hillary Clinton's 2016 campaign for President. Prior to that, she served as the Deputy Chief of Staff to the U.S. Secretary of State from 2009 to 2013.