Bronisław Komorowski, Polish historian and politician, 5th President of Poland
Bronisław Maria Komorowski (Polish pronunciation: [brɔˈɲiswaf kɔmɔˈrɔfskʲi] (listen); born 4 June 1952) is a Polish politician and historian who served as President of Poland from 2010 to 2015.
Komorowski served as Minister of Defence from 2000 to 2001. As Marshal of the Sejm (Speaker of the lower house of Parliament), Komorowski exercised the powers and duties of head of state following the death of President Lech Kaczyński in a plane crash on 10 April 2010. Komorowski was then the governing Civic Platform party's candidate in the resulting presidential election, which he won in the second round of voting on 4 July 2010. He was sworn in as President on 6 August 2010. Komorowski thus became the second person to serve on two occasions as Polish head of state since 1918, after Maciej Rataj.
On 25 May 2015, Komorowski conceded the presidency of Poland to the rival candidate Andrzej Duda, after the latter won the second round of the 2015 presidential election.