Produzent, Mixer, Songwriter
* Olsen worked with artists like Lemonbabies, Gum, Bobo in White Wooden Houses and Rammstein. Nowadays he works with Seeed, Bela B. or Peter Fox, Gentleman, Reamonn or Brothers Keepers.
* Olsen himself is a guitarist. Rammstein is also a common guest at Involtini's studio in Berlin Kreuzberg. He arranged the strings for the LP's "Mutter" and "Reise, Reise" and remixed different singles.