Career
Marciniak became a Fédération internationale de football association referee in 2011. On 30 June 2015 he was the head referee at the 2015 Union of European Football Associations European Under-21 Championship Final.
Marciniak became a Fédération internationale de football association referee in 2011. On 30 June 2015 he was the head referee at the 2015 Union of European Football Associations European Under-21 Championship Final.