Boris Tadić (; born on January 15, 1958 in Sarajevo) is a former president of Serbia. He is involved in psychology and he is also the current president of the Democratic Party (Serbia). Tadić was elected for president on June 27, 2004 with a five-year term of office. On July 11, 2004 he passed the oath of president. Second five-year mandate he received by winning on the president elections on February 3, 2008. Before applying for president of Serbia, he was a Minister of Telecommunications in Yugoslav government and a minister of defense in Serbo-Montenegrin's government.