Thomas Dahl studied church music, composition, music pedagogy, musicology and organ performance in Hamburg, Stuttgart and Paris. He studied organ improvisation with Heinz Wunderlich, Willibald Bezler and Daniel Roth. He also received private instructions from Wolfgang Rubsam and Jean Guillou. In six international organ-playing and improvisation competitions he has been a prize winner or finalist. Thomas is Director of Music at Hauptkirche St. Petri in Hamburg and conductor of the Hamburg Bach Choir. He has given recitals, lectures and masterclasses in Europe, the United States and Japan.