Piotr Garbaczonek was born and raised in Poland and later moved to the United States. He developed his craft in Boston and New York, studying at Berklee College of Music and NYU while building his career as a mastering engineer and producer. He specializes in rock, metal, and a wide range of electronic music genres.

His credits include artists and projects such as Activision/Treyarch, Attila, Omar Apollo, Max Richter, Barry Can’t Swim, Leon Thomas, Ben Ward, Snow Wife, Chance Emerson, Sigrid Rosier, gia, Sonovalova, Hemma The Monarch, P.H.0, CITRINE, Karla Breu, Emily Angell, Pab Emson, 10 Days, ok Tyler, bitethebull, to name a few.

He performs and releases electronic music under the alias CMPLR, and is a long-time guest performer and collaborator with the Brooklyn local band P.H.0.