Thomas Horch studied under Branimir Slokar at the Cologne University of Music. Whilst still a student, he was appointed principal trombonist of the Berlin Philharmonic under its then chief conductor, Herbert von Karajan. In 1990, he moved to the same post with the Bavarian Radio Symphony Orchestra, having emerged a year earlier as the first German trombonist in the history of the ARD International Music Competition to win a prize. He has performed worldwide under all the great conductors of our time, including Carlos Kleiber, Seiji Ozawa, Sergiu Celibidache, Claudio Abbado, Sir Simon Rattle, Bernard Haitink, Ricardo Muti, Sir Georg Solti, Zubin Mehta, Sir Colin Davis, Lorin Maazel, Christian Thielemann, Mariss Jansons and Leonard Bernstein.
As a long-standing member of the German Brass ensemble and the Munich Trombone Quartet, he has gained a wide range of experience in chamber music.His teaching ambitions have taken him to Japan, the USA and a number of European countries.
At the University of Music and Theatre Munich, he mentors the next generation of professional musicians as Professor of Trombone.