From Wikipedia, the free encyclopedia Tomislav "Tomo" Miličević ([ˈtoːmo miˈlitʃevitɕ]) (born September 3, 1979 in Sarajevo) is a Bosnian-American musician. He is the lead guitarist of the alternative rock band 30 Seconds to Mars. Description above from the Wikipedia article Tomo Miličević, licensed under CC-BY-SA, full list of contributors on Wikipedia.