Complex sentence: Patti Solis Doyle (born August 23,1965) is an American political operative and was in 2008 a senior adviser to the presidential campaign of Barack Obama, where she was the campaign chief of staff to Joe Biden, Obama's vice presidential choice.
Split into simpler sentences: Patti Solis Doyle (born August 23,1965) is an American political operative. In 2008, he was a senior adviser to the presidential campaign of Barack Obama, where she was the campaign chief of staff to Joe Biden, Obama's vice presidential choice.