With extensive experience as a soloist, chamber musician, and orchestral performer, Carl-Oscar Østerlind is now establishing himself as a conductor. He is the conductor and artistic director of Sankt Annæ Symphony Orchestra, one of Denmarks leading youth orchestras and a part of the Danish career program for conductors "Dirigentløftet".

As a cellist, he has been a member of internationally acclaimed ensembles, such as Messiaen Quartet Copenhagen and The Danish String Quartet. He regularly performs as guest principal cellist in many orchestras such as the Swedish Chamber Orchestra, Danish Chamber Players, Odense Symphony Orchestra, Aalborg Symphony Orchestra and Iceland Symphony Orchestra.

Carl-Oscar appeared as a soloist and chamber musician at festivals such as Verbier Festival, Ravinia Festival, Ipalpiti Festival, Piatigorsky Cello Festival, Prussia Cove´s "Open Chamber Music" and Bergen Festspillene. As a concerto soloist, he performed in front of orchestras in Denmark, Sweden, USA and Mexico.

Carl-Oscar Østerlind is assistant professor at Sankt Annæ Gymnasium and lecturer at the Royal Danish Academy of Music in Copenhagen. He regularly teaches at master classes in Scandinavia and abroad.