His work as a composer and arranger reflects his diverse musical interests, exploring an array of media and styles ranging from music for jazz orchestra to art song, a cappella arrangements, marching band shows, and electronic music. He particularly enjoys writing music for school and community ensembles, combining his love of composition with his passion for education. His works have garnered several honors, including a Student Downbeat Award, a Herb Alpert Young Jazz Composer Award, first place in the NAfME Young Composers Competition, and a merit award from the Tribeca New Music Young Composer Competition. A Lincoln native, Kosch received his bachelor's degree in music education from the Glenn Korff School of Music at the University of Nebraska-Lincoln. He graduated summa cum laude from the university honors program and was named a Chancellor's Scholar.