Rastislav Káčer is a well-respected Slovak diplomat and expert on U.S. domestic and foreign policy, transatlantic relations, defense, and security issues. In September 2022, he was appointed Slovakia’s Minister of Foreign and European Affairs. A career diplomat since 1992, he also served as an ambassador to the United States, Hungary, and the Czech Republic, and Head of Policy Planning at NATO. In 2001, he was appointed Deputy Defense Minister responsible for Slovakia's accession to NATO. Káčer was elected President of the Slovak Atlantic Commission in July 2008 and served as Vice-President of the Atlantic Treaty Association for four years.