Cornelis Harder born and raised in Berlin gained his first experience as a cutter at the production company Cine Plus in Berlin. Starting with TV reports and then moving on to documentaries, short films, trailers, image, advertisement’s for promotional and corporate films.

Cornelis is also responsible for the groove in a large number of music videos. Shaggy, Peter Fox, Seeed, Gentleman, Beatsteaks, Helene Fischer, Revolverheld, Joy Denalane, Ich + Ich, Sido, Udo Lindenberg und Xavier Naidoo just to name a few.

 Since 2000 he was the post-production supervisor for produktion2, a department at Cine Plus, which specializes in image and trade fair films. In this position, he supervised a multi screen installation at the Expo 2000 for the Deutsche Telekom, the 70mm documentary “Zusammen” for the autostadt wolfsburg and the prize winning documentaries “Die Große Stille” and “Rhythm is it!”. 

 Since 2005 Cornelis Harder has been working as a freelancer for numerous film production companies, including Trigger Happy Productions, 539090, Bakery Films, Twin Films, Telemaz Hamburg, Gap Films, Neue Sentimentalfilm, Novotny & und Novotny,  Sabotagefilm, Schuhwerk, svensonsuite, Katapult, Free The Dragon, Studio.TV.Film, UFA Show & Factual, talpa germany and zerofilm.