Dennis Adu was born in 1987 May 8 in Saltpond (Ghana). When he was 2 years old his family moved to Kryvyi Rih, Ukraine. He started play the trumpet when he was 7, and when he turned 8 he was invited to Alexander Gebel Orchestra.
Dennis participated in such international festivals and competitions like "Millau en Jazz" (France), "Fel du Sher" (France), "Jazz A Vienne” (Viena), Alfa Jazz Fest (Ukraine) and many others.
In 2007 Adu won the “Do#Dж Junior” (The Best Trumpet Player), in 2009 on this competition he became the winner in nominations “The Best Musician in Ukraine” and “The Best Arrangement of Jazz Standard”.
Dennis took lessons from Alex Sipiagin and Joe Magnarelli. He played with Ku-umba Frank Lacy, Gregory Porter, Curtis Fuller, Jim Rotondi, Roy and Ofer Assaf, Steve Slagle,Jason Brown, Jimmy Bosch, Javon Jackson, Larry Willis, Quincy Davis, Dana Hall, Wayne Escoffery, Michael Dease.
Since 2012 he leads the Quinet, Sextet, Septet and Big Band.