Question: Which previous Senator representing Illinois did Vivek Kundra  served as the first chief information officer of the United States?
Context: 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. Data.gov is a U.S. government website launched in late May 2009 by the then Federal Chief Information Officer (CIO) of the United States, Vivek Kundra.  Data.gov aims to improve public access to high value, machine readable datasets generated by the Executive Branch of the Federal Government."  The site is a repository for federal government information, made available to the public. Priscilla Guthrie joined the Office of the Director of National Intelligence (ODNI) as the Intelligence Community (IC) Chief Information Officer on May 26, 2009.  She was previously Director of the Information Technology and Systems Division of the Institute for Defense Analyses, a non-profit corporation that administers three federally funded research and development centers to provide objective analyses of national security issues.  From 2001 to 2006, she served as Deputy Assistant Secretary of Defense (Deputy Chief Information Officer) at the Department of Defense, where she was responsible for information support to deployed forces.  Prior to her position at the Pentagon, Ms. Guthrie was a Vice President of TRW Inc., where she established and led a small, global unit responsible for driving new IT technology into the company's business.  She also served in several other positions at TRW, Inc. during her career.  Ms. Guthrie holds a B.S. from Pennsylvania State University and an M.B.A. from Marymount College. Terry Halvorsen is a retired American military officer who is a former Chief Information Officer at the US Department of Defense.  He previously served as the Acting Department of Defense Chief Information Officer and the Department of the Navy Chief Information Officer. Carole Post is the Deputy Chief Operating Officer of USF Health at the University of South Florida.  She was formerly the Executive Vice President at New York Law School and serves as the school's Chief Operating Officer and first Chief Strategy Officer.  Before her tenure at New York Law School, she served as the Commissioner of the New York City Department of Information Technology and Telecommunications (DoITT) and New York City's Chief Information Officer (CIO).  She was appointed by Mayor Michael R. Bloomberg on December 30, 2009 and assumed the official position on January 19, 2010.  She is the first woman to have held this office at the City of New York.  Post modernized New York City government practices and infrastructure to advance open government and improve services to the public. Apps.gov is a cloud storefront run by the U.S. General Services Administration to assist federal agencies in purchasing cloud computing services from the marketplace.  The website was initially launched in 2009 under the direction of former Federal Chief Information Officer Vivek Kundra, but was closed down in 2012 in order to "streamline" procurement and amid reports of low usage.  The service was relaunched at the 2016 SXSW festival by a team of Presidential Innovation Fellows following President Obama's keynote address on using technology to improve government. Philip Fasano is an executive vice president and the chief information officer at American International Group (AIG).  Formerly he served as executive vice president and chief information officer at Kaiser Permanente.  He graduated with a BS degree in computer science from New York Institute of Technology. Karen S. Evans was the Administrator of the Office of Electronic Government and Information Technology (IT) at the Office of Management and Budget.  Evans retired after a long career in the government from this office on January 20, 2009.  Evans served as the "de facto" chief information officer for the United States until the office was created by Barack Obama who appointed Vivek Kundra. Chief information officer (CIO), chief digital information officer (CDIO) or information technology (IT) director, is a job title commonly given to the most senior executive in an enterprise responsible for the information technology and computer systems that support enterprise goals.  Typically, the CIO reports directly to the chief executive officer but may also report to the chief operating officer or chief financial officer.  In military organizations, they report to the commanding officer.  The Chief Information Officer role was first defined in 1981 by William R. Synnott, former Senior Vice President of the Bank of Boston, and William H. Gruber, former professor at the MIT Sloan School of Management. 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.
Answer: Barack Obama