Joseff Kolman joined the Rockville Brass Band in 2017. He has played euphonium since 2006. Joseff studied music in high school at the Savannah Arts Academy in Savannah, GA with frequent training at camps and festivals including IEI/IET and the Interlochen Center for the Arts camp. He has played trombone and tuba in jazz, wind, and orchestral ensembles throughout his musical career.