A highly sought-after teacher, he has taught and lectured extensively, and has directed guitar workshops and masterclasses in the UK, Canada, USA and Europe.
Gilbert Biberian was Professor of Guitar at Trinity College of Music between 1988 and 1996. During his tenure there he was responsible for overseeing the compilation of the examination syllabus for Trinity College of Music for their 1993 season of examinations. He was Vice Chairman of EGTA (UK) in 1994, and a member of the Management Committee of the Cheltenham International Festival of Music between 1993 and 1996.
He is director of his own summer school for guitarists, which attracts young musicians from all over the world. He is also Artistic Director of the Charlton Kings International Guitar Festival, held annually in Gloucestershire, as well as guitar tutor at the North East Scotland Music School in Aberdeen.