[PAR] [TLE] Barack Obama [SEP] Barack Hussein Obama II ( ; born August 4, 1961) is an American politician who served as the 44th President of the United States from 2009 to 2017.  He is the first African American to have served as president.  He previously served in the U.S. Senate representing Illinois from 2005 to 2008 and in the Illinois State Senate from 1997 to 2004. [PAR] [TLE] Vivek Kundra [SEP] Vivek Kundra (Hindi: विवेक कुंद्रा ; born October 9, 1974) is an Indian American administrator who served as the first chief information officer of the United States from March, 2009 to August, 2011 under President Barack Obama.  He is currently the Chief Operating Officer for Outcome Health and a visiting Fellow at Harvard University.
[PAR] [TLE] Barack Obama [ SEP ] Barack Hussein Obama II ( ; born August 4 , 1961 ) is an American politician who served as the 44th President of the United States from 2009 to 2017 . He is the first African American to have served as president . He previously served in the U.S. Senate representing Illinois from 2005 to 2008 and in the Illinois State Senate from 1997 to 2004 . [PAR] [TLE] Vivek Kundra [ SEP ] Vivek Kundra ( Hindi : विवेक कुंद्रा ; born October 9 , 1974 ) is an Indian American administrator who served as the first chief information officer of the United States from March , 2009 to August , 2011 under President Barack Obama . He is currently the Chief Operating Officer for Outcome Health and a visiting Fellow at Harvard University .
Which previous Senator representing Illinois did Vivek Kundra  served as the first chief information officer of the United States?
Which previous Senator representing Illinois did Vivek Kundra served as the first chief information officer of the United States ?
Barack Obama
Barack Obama