From 1980 Chung was a member of the West German post-punk band Abwärts from Hamburg.

He assumed responsibility for business management of the band until leaving in 1994 to concentrate on his work in the music industry.

[2] In 1996, Chung moved to London, where he became senior vice-president of Sony Music International.

[2] After 9 years with Sony Music, he moved back to Germany and now directs the Freibank office in Berlin.

In 2006, Chung was elected chairman of the German association of independent music companies (Verband unabhängiger Musikunternehmen - VUT) and he also sits on the board of the public-private partnership Initiative Musik.