Boban Marjanovic was born in Boljevac, Serbia, Yugoslavia in 1988. He began playing youth basketball with the Boljevac-based club Rtanj. When he was 14, Marjanovic moved to Serbian professional team Hemofarm, playing on their youth squads until the 2005-06 season. "Bobi" has an interest in acting. In 2015, he made a cameo in the Serbian sports drama We Will Be The World Champions. Marjanovic also appeared in the action thriller John Wick: Chapter 3 - Parabellum, which was released in May 2019. In 2018, he launched "The Bobi + Tobi Show" along with friend and former teammate Tobias Harris, chronicling the pair's friendship in a web series. Marjanovic has also taken part in charitable activities. In January of 2020, he volunteered his time at the Mesquite Boys and Girls Club in Mesquite, Texas, as part of the Dallas Mavericks' Jr. NBA Clinic. Learn more about Marjanovic by following him on Twitter (@BobanMarjanovic) and Instagram (@boban).