Giuseppe Mignemi graduated with honors in Piano and Composition, as well as in Choral Music and Choir Direction, in Vocal Polyphonic Composition, in Band Instrumentation. He obtained the II level degrees in Composition and Choir Conducting and in Composition, both with honors and honorable mention.

He specialized at the Accademia Chigiana in Siena in the courses of Contemporary Composition (F. Donatoni) and Film Music (E. Morricone).

In 1998 and 2003 he obtained the 1st absolute prize at the National Composition Competition for Sacred Music of Montecassino.

In 2000 he won the 3rd prize at the International Composition Competition "TIME", organized by the Dutch foundation "Jan Vermulst" in collaboration with Europa Cantat and A Coeur Joie, with the composition "Le temps qui passe" which was edition by Annie Bank Music Publisher of Amstelveen (Netherlands).

From 2001 to 2005 he won the 1st prize in five editions of the National Competition of Elaboration and Choral Composition organized by the Organization of Choirs of Calabria. In 2005 he obtained the 2nd place in the Composition Competition for choir and organ "Rocco Rodio" in Castellana Grotte.

In 2014 he won the 1st prize in the national composition competition organized by the Ministry of Education, University and Research.

In 2017 he won the 1st prize at the national composition competition for youth orchestras organized by the Italian Society of Authors and Publishers and in the same year the 1st prize at the national composition competition for the liturgy organized by the Diocese of Trapani.

He has collaborated with Feniarco (Italian Choral Federation) with the publication of various choral compositions, including a piece for three choirs, "Spiritus Domini", performed by the Italian Youth Choir on the occasion of the annual assembly of Europa Cantat (Venice, 2004).

He has to his credit a rich concert activity and a large production of instrumental, symphonic and vocal works. He has also published for Edizioni Carrara of Bergamo, Edizioni A.V.E. of Rome and Edizioni Novecento of Catania, Edizioni Feniarco.

His compositions are often performed in competitions, even as compulsory pieces, in important international competitions and are studied in national and European musical laboratories.

He is often invited to jury commissions in national and international competitions. He carries out master classes on various musical themes (composition, conducting, analysis). He has taught piano, composition, choral conducting, choral composition. He is professor of Theory of Harmony and Analysis in music conservatories.