Three years later, he founded the Philharmonic Wind Quintet, with whom he has undertaken worldwide tours and released numerous CD recordings. As a teacher, Walter Seyfarth is active at the Orchestra Academy of the Berlin Philharmonic, with international youth orchestras, and as part of master classes. From 2003 to 2011, he was woodwind mentor of the Orquesta Sinfónica de la Juventud Venezolana Simón Bolívar. Between 2012 and 2015, Walter Seyfarth, who counts composers Albert Lortzing and Ferdinand Ries among his forebears, appeared as a regular guest soloist at the Brazilian festival Música em Trancoso.