Cho Sung-hyung is a German film maker, director, editor and professor living and working in Germany with South Korean roots.

She continued with post-graduate studies in Theater Film and Media Sciences at Goethe University Frankfurt and a course in electronic images at Hochschule für Gestaltung Offenbach am Main.

[2] She worked as a freelance editor and led editing seminars at the Filmhaus Frankfurt and SAE Institute.

[3] Cho was an assistant editor for the German television series Ein Fall für zwei, also working on documentaries and music videos.

She gave up South Korean citizenship and took the German one just for making this documentary and getting a visa and the permission of shooting from North Korea.