Started trombone playing at the age of 16 1992 under the tutelage of Oliver Siefert - Frankfurt RSO, he started his studies in Weimar and Munich. Prof. Armin Bachmann and Prof. Wolfram Arndt and their respective schools have deeply imprinted him. Teachers like Branimir Slokar from Freiburg, Michael Mulcahy from Chicago and Tobias Füller from Düsseldorf have impacted their different styles into his playing. 2002- 2015 Music Faculty of Bilkent University and co-principal trombone of the Bilkent Symphony Orchestra, Ankara, Turkey. 2016 Peter received the position as Assoc. Prof. Dr. at the State Conservatory of the Uludag University in Bursa. His wife, Aslı Ötzoy-Körner, former concertmaster of the State Opera in Ankara, took the same position for violin. He is instructing students at the university as well as at a special conservatory for prep students. Beside developing new trombone technology and mouthpieces with Thein Brass Instruments, Peter is also engaged in writing articles and books. His works include his medical thesis on breathing techniques, as well as a book, with Heinrich Thein as co-wrighter, entitled “World of Alto Trombone”, published 2015 by Martin Schmid. In addition to Alto- and Tenor trombones, Peter is actively performing Euphonium and Basstrumpet with different orchestras. He performs chamber music with the Brass Quintett “Brassmania”, the “Orient Express Trio”, as well as solo working, like ”One Night in the Opera”. Teaching activity 1998-99 Music school Beckum Warendorf, lecturer for trombone part-time 2004-16 Lecturer at the Music Faculty of the Bilkent University Ankara Since 2014 Member of the Scientific Advisory Board of the Foundation for Highly Gifted and Highly Talented Children in Turkey Since 2015 Lecturer at the Anadolu University Eskisehir Since 2017 Associate Professor at Uludag University Bursa Since 2017 Lecturer World Brass Association Since 2017 trained as Alexander Technique teacher at the Alexander Technique Academy Bremen- since 2018 Istanbul Alexander Technique Academy Since 2015 Lecturer for Master of Music and DMA Studies at Anadolu University Eskisehir Since 2017 Faculty member of World Brass Association Since 2017 Associate founder of the foundation Instruments of Hope / Instrumentos De La Esperanza Since2019 Academic consultant to Dezenkon for the LongUp trademark, https://www.longuponline.com Seit 2019 Associate Founder of Academy for Management of ecological technologies, http://ekotek-akademi.org/