In 2001, he finished his Master of Arts at the Northern School of Film and Television, with a thesis dedicated to interactive narrative, and released Masken a short Dogma film, for German and French TV channels ARTE, MDR and ORB.
From 1983 to 2000 he was the leader of the Salzburger Bach-Chor and since 1998 he has been director and artistic leader of the MDR-Rundfunkchor, the choir of the Mitteldeutscher Rundfunk (MDR).
Sequoia has been an integral part of leading broadcast and mastering studios worldwide for years, including WDR, MDR, SWR, the Vienna Symphonic Library, and Sterling Sound in New York.
Since 1997 he comments on weightlifting events for Eurosport, in 2002 he started working for German broadcaster Mitteldeutscher Rundfunk.
After the original DDR-era trademark of the name 'Nudossi' expired, the Mitteldeutsche Rundfunk renewed the trademark in 1996.
He works since 1992 for different European TV-broadcasters, for instance Bayerischer Rundfunk, the Mitteldeutscher Rundfunk, the Zweites Deutsches Fernsehen and ARTE.
Westdeutscher Rundfunk | Norddeutscher Rundfunk | Bayerischer Rundfunk | Mitteldeutscher Rundfunk | Rundfunk Berlin-Brandenburg | Nordwestdeutscher Rundfunk | Hessischer Rundfunk | Süddeutscher Rundfunk | Saarländischer Rundfunk | Rundfunk im amerikanischen Sektor | Rundfunk Anstalt Südtirol | Reichs-Rundfunk-Gesellschaft | Ostdeutscher Rundfunk Brandenburg |
The Swiss/Austrian Groupe Lacroix (Marianne Schroeder, John Wolf Brennan, Jean-Luc Darbellay, Christian Henking, Michael Schneider, Michael Radanovics and Alfons Karl Zwicker) and Thüring Bräm dedicated 8 Pieces on Paul Klee to the Anniversary of the Central German Broadcasting.
Following German reunification, Radio aktuell's frequencies were transferred to the new public-service broadcasting organizations Mitteldeutscher Rundfunk (covering Saxony, Saxony-Anhalt, and Thuringia) and Ostdeutscher Rundfunk Brandenburg, and to the Hamburg-based Norddeutscher Rundfunk which took over as public-service broadcaster in Mecklenburg-Vorpommern.