Boris Dinev was born on 19th August 1955 in Sofia, Bulgaria. He graduated the Sofia Music School and enrolled into the Sofia Music Academy under the guidance of percussion professor Dobri Paliev.

Boris is co-founder of the percussion quartet Polyrhythmia, which performed in several major festivals throughout Europe, Japan, the former USSR, Cuba, Tunisia, Algeria, and other countries.

Polyrhythmia won the 3rd prize and was awarded the 'Audience Prize' on the First International Percussion Competition in Luxembourg in 1989.

Boris performed as a soloist in the Sofia Philharmonic Orchestra and the Bulgarian Radio Orchestra, among others.

He performed with Bulgaria's most popular jazz musicians in various international music festivals, such as the Jazz Jamboree, Prague Jazz Fest, Sofia Jazz Meeting, Sibiu Jazz Fest, etc.

From 1981 to 1991, he worked as a professor at the Bulgarian Music Academy's Jazz Department.

Since 1991, Boris Dinev has been living in Luxembourg, lecturing at the Music School of Echternach and at the North Conservatory. He has been regularly playing in the Philharmonic Orchestra of Luxembourg (OPL), the Chamber Orchestra of Luxembourg (also known as Les Musiciens), and many other music formations.