[6][12] In 1940 he went to coach Jiul Petroșani, helping the team win promotion to Divizia A, but did not get to play there as the championship was interrupted because of World War II, however he continued to work for the club until 1945.

[2][3][4][5][6][15] In 1948 he became the first coach of Dinamo București where he also did not have a long spell, staying only a few rounds, including the first derby against his former team, ASA which ended with a 1–0 victory for his side.

[2][3][4][5][6][15][19][20] He then worked for the Romanian Football Federation as an advisor and also as president of the Central College of Coaches until 1958 when he had a second experience at Flamura Roșie which this time was named UTA Arad, then he went for the 1962–63 season at Știința Timișoara with whom he finished the championship on the 3rd position.

[2][3][5][6][23] Coloman Braun-Bogdan died on 15 March 1983 at age 77, being remembered as the first coach that worked at all three Bucharest rivals: CFR, ASA and Dinamo.

[2][3][4][5][6][15] Coloman Braun-Bogdan wrote two books about moments from his playing and managerial football career:[2][5] Sportul Studențesc București Jiul Petroşani UTA Arad