tomić studied and got a 1st grade basketball coaching degree. in february 2008, panagiotis giannakis became the new olympiacos head coach. giannakis asked tomić to be a part of the team's coaching staff, so he returned to his beloved team, as an assistant coach. in 2014, tomić became the interim head coach of olympiacos, after georgios bartzokas resigned as the team's head coach, until ioannis sfairopoulos became the team's new head coach.