Dad, husband, President, citizen.

Joined Twitter on March 5, 2007 and lives in Washington, DC. You can learn more about them at http://obamabook.com.

President of @AlzResearchUK; Chair of @NCS Board of Patrons; Chair of LSE-Oxford #FragilityCommission; Former Prime Minister of the United Kingdom

Joined Twitter on January 8, 2010. You can learn more about them at https://www.davidcameronoffice.org.