He graduated violin at the National Music School and NMA “Prof. P. Vladigerov “.
He studied mandolin with his father Ivan Maslev, founder of the Sofia Mandolinists Orchestra. He was a soloist of leading ensembles in Bulgaria – Sofia Philharmonic, Vratsa Philharmonic, Ars Music Chamber Ensemble and others.
Author of more than 150 arrangements and arrangements for mandolin compositions.
Conductor of the Prima Vision Mandolin Orchestra and the Sofia Mandolin Ensemble.