Question: What United States government agency did Philippe I. Reines, an American political consultant, join before founding Beacon Global Strategies in 2013 along with two other men?

Context articles: Dan Newman (political consultant)
George Birnbaum
Philippe Reines
Hrach Gregorian
Chris LaCivita
Derek Chollet
Corporation for National and Community Service
Beacon Global Strategies
Michael Morell
Elizabeth Baldwin Letchworth

Dan Newman is an American political consultant, who has served as campaign manager, communications director, press secretary, and consultant to dozens of campaigns around the country.
 He is a partner in SCN Strategies, with Ace Smith and Sean Clegg.
George E. Birnbaum is an American international political consultant.
 He was raised in Atlanta, Georgia, and has worked on dozens of United States Congressional and Senatorial races.
 In 1998 he moved to Israel to serve as a consultant to Prime Minister Benjamin Netanyahu, became his chief of staff, and afterwards formed a partnership with political consultant Arthur Finkelstein.
 His work includes polling, strategy, paid media and grassroots coalition building, developing and implementing campaign strategies.
 During his career, George Birnbaum has worked on campaigns on 5 continents and has helped elect over 15 Presidents and Prime Ministers worldwide.
Philippe I. Reines (born November 25, 1969) is an American political consultant.
 He joined the Department of State as a Senior Advisor to Hillary Clinton when she became United States Secretary of State in January 2009, and in 2010 was promoted to the position of Deputy Assistant Secretary of State for Strategic Communications.
Hrach Gregorian (born 1949 in Tehran, Iran) is an American political consultant, educator, and writer.
 His work in both the private and public sectors has been mainly focused in the field of international conflict management and post-conflict peacebuilding.
 Gregorian holds academic appointments in universities in the United States and Canada, and writes extensively on such subjects as terrorism, conflict management, peacebuilding, national security, and conflict hot spots throughout the world.
 His work as a consultant, conflict management specialist, and trainer has taken him to Angola, Argentina, Bosnia-Herzegovina, Cambodia, Croatia, Cyprus, Estonia, Ethiopia, Greece, Guatemala, Hungary, Israel, Italy, Lebanon, Nigeria, Northern Ireland, Singapore, Thailand, and Ukraine.
 Gregorian regularly provides professional skills training, seminars, and workshops for United Nations agency and mission staff, United States and Latin American military personnel, senior civilian officials, and academic and corporate leaders in the U.S. and throughout the world.
Christopher Joseph LaCivita (born 1966) is an American political consultant, and president of the firm Advancing Strategies LLC.
 He was formerly with Crosslink Strategy, a conservative lobbying and political consulting firm founded by former John McCain advisor Terry Nelson.
 LaCivita is often mentioned for his role as media advisor to the Swift Boat Veterans, an independent-expenditure group active in the 2004 presidential election.
Derek Chollet is Executive Vice President for security and defense policy at the German Marshall Fund of the United States, and author of the book, "The Long Game: How Obama Defied Washington and Redefined America's Role in the World " (Public Affairs, 2016).
 He is a contributing editor to Foreign Policy, where he coedits "Shadow Government," and is a regular contributor to Defense One, is also an advisor to Beacon Global Strategies and an Adjunct Senior Research Scholar at Columbia University’s Saltzman Institute of War and Peace Studies.
 From 2012-2015, Mr. Chollet was the U.S. Assistant Secretary of Defense for International Security Affairs, where he managed U.S. defense policy toward Europe (including NATO), the Middle East, Africa, and the Western Hemisphere.
 In that role, he was a senior advisor to two secretaries of defense, Leon Panetta (July 2011 until February 2013) and Chuck Hagel (until February 2015).
The Corporation for National and Community Service (CNCS) is a U.S. federal government agency that engages more than five million Americans in service through AmeriCorps, Learn and Serve America, Senior Corps, and other national service initiatives.
 The agency's mission is to "support the American culture of citizenship, service, and responsibility".
 While a government agency, CNCS acts much like a foundation and is the nation’s largest annual grant maker supporting service and volunteering.
 CNCS, formerly known as the "Corporation for National Service" or "CNS," was created as an independent agency of the United States government by the National and Community Service Trust Act of 1993.
Beacon Global Strategies LLC (BGS) is a Washington, DC-based strategic advisory firm founded by Jeremy Bash, Philippe Reines, and Andrew Shapiro in 2013.
 According to the firm's website, Beacon Global Strategies specializes in matters of international policy, foreign affairs, national defense, cyber, intelligence, and homeland security.
Michael Joseph Morell (born September 4, 1958) is a former American intelligence analyst.
 He served as the deputy director of the Central Intelligence Agency as well as its acting director twice, first in 2011 and then from 2012 to 2013.
 Since November 2013, he has been a Senior Counselor to Beacon Global Strategies LLC.
 He is a critic of the Senate Intelligence Committee's 2014 report on the CIA's use of enhanced interrogation techniques, which many consider to be torture, and is also a proponent of the CIA's targeted killings by drones.
Elizabeth Baldwin Letchworth (born July 5, 1959 in Washington, DC) is a small business owner, Republican legislative strategist and consultant and a past elected United States Senate Officer.
 Letchworth is the first woman to have been elected by the United States Senate to serve as the U.S. Senate Secretary for the Majority for the republicans.
 She was also elected as the United States Senate Secretary for the Minority.
 Letchworth is the founder of GradeGov.com, .
 and provides political information and commentary for several news and current events publications.
 Letchworth is the chairperson of the Habitat for Humanity-Marion County, Florida affiliate.
 She also hosts a twice weekly radio show entitled Congress College and serves as a principal in the Washington, DC consulting firm of Congressional Global Strategies.