Denis Wick has had an international reputation as a trombonist, brass teacher and conductor. His career as an orchestral trombonist culminated in him being named principal trombone of the London Symphony Orchestra from 1957 until 1988, at which time he retired. His appointment represented the longest tenure of a 1st chair performer in the history of the orchestra, and he was fortunate to perform under many renowned conductors. He was appointed professor of trombone at the Guildhall School of Music and Drama from 1967 to 1976, at which time he worked as a consultant professor and conductor. His textbook, Trombone Technique, is now in its 5th edition and is considered one of the most important publications of its kind. In addition to his work with the LSO, he has been a member of the London Sinfonietta and the Philip Jones Brass Ensemble. He may be best known for his mouthpieces and mutes, which can be found in orchestras and bands all over the world. In 1989 he was the recipient of the International Trombone Association Award.