Career
He became the manager of Concordia Zagreb"s youth side in 1926. After receiving managerial training in Vienna, Cuvaj became Concordia"s manager in 1931, a position he held until the club was banned in 1945. From March 6, 1939 he served as secretary of the Croatian Football Federation and also managed the Croatian national team several times from 1941 to 1945.
After World World War II he managed Tekstilac Zagreb (1945-1946), Lokomotiva Zagreb (1946-1952), Metalac Zagreb (1952-1955) and Dinamo Zagreb (1955-1956).