Karl-Theodor Maria Nikolaus Johann Jacob Philipp Franz Joseph Sylvester Buhl-Freiherr von und zu Guttenberg, known professionally as Karl-Theodor zu Guttenberg, is a German businessman and politician of the Christian Social Union (CSU). He served as a member of the Bundestag from 2002 to 2011, as Secretary-General of the CSU from 2008 to 2009, as Federal Minister for Economics and Technology in 2009 and as Federal Minister of Defence from 2009 to 2011.

The Federal Ministry for Economic Affairs and Climate Action, abbreviated BMWK, is a cabinet-level ministry of the Federal Republic of Germany. It was previously known as the "Ministry of Economy". It was recreated in 2005 as "Ministry of Economics and Technology" after it had previously been merged with other ministries to form the Federal Ministry for Economics and Labour between 2002 and 2005. The ministry is advised by the Council of Advisors on Digital Economy.