2010 - Producer, mixer, engineer, composer, songwriter, singer, lyricist and multi instrumentalist Niko Stoessl decides to relocate his studio and project OPIEN from Vienna, Austria to Berlin Germany. Niko founded Birthmark Studio in 2002 in Vienna, where at the age of 23 he earned gold, platinum and double platinum records for mixing and engineering some of Austrias top selling recording artists. In 2007 he appeared as a guest musician(vocals/guitars) on Dave Gahans soloalbum "Hourglass".

In Berlin many interesting collaborations as a producer/instrumentalist/mixer took place including artists like Crystal Castles, MotoBoy, Broad Bean Band, Christian Eigner, DjWool, Nina Persson, Nihils, OPIEN, GRAU, Patrice and many more.

Under his alter ego SlikNik, he remixed songs for artist like Autist, IAMX, Broad Bean Band, MotoBoy and many more.

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