He was also Artistic Director of the London Schools Symphony Orchestra from 1990 until 2001 .
Butterworth was Senior Lecturer at Dartington College of Arts and later Professor of Violin at Trinity College of Music from 1989 until 2008 .
Butterworth was also Senior Lecturer   of the London Schools Symphony Orchestra from 1990 until 2001 .
Butterworth was Senior Lecturer at Dartington College of Arts and later Professor of Violin at Trinity College of Music from 1989 until 2008 .