Sonja Kraus is an international cellist and teacher from Germany, currently pursuing her Doctor of Music with Prof. Emilio Colón at the Jacobs School of Music, Indiana University Bloomington. Her dissertation research focuses on broadening the cello repertoire by identifying manuscripts and creating editions of unpublished cello works from the classical era. So far, she has found three cello concertos by Franz Anton Hoffmeister and is in the process of creating scholarly editions for these works.  Before starting her DM, Sonja earned her Master's of Music at the JSoM in December 2013 and her Bachelor's at the University of Music and Performing Arts, Stuttgart (Germany) in July 2012.

Sonja's professional teaching experiences include teaching at the Music School Unterensingen (Germany) during her Bachelor's. When she started her Master's in Bloomington as the Assistant Instructor of Prof. Colón, she taught her own studio of cellists as well as conducting studio classes and lessons for her professor in his absence. During summer 2014 and 2015 she was teaching in the cello camp "CelloChanWoods" near Ann Arbor Michigan. Since August 2015 she is also a coach at the Columbus Indiana Philharmonic Youth Orchestra.

Sonja's chamber music and orchestra career has taken her around the world. During her Bachelor's, her piano trio performed frequently all over Germany and France. With the National Youth Orchestra of Germany she traveled to Japan, Venezuela and more than 10 countries in Europe. In August 2015 she traveled to Guayaquil in Ecuador where she taught a three week masterclass and performed as a soloist with the Guayaquil Symphony Orchestra. Sonja’s professional orchestra experiences thus far include being a contracted member of the Columbus Indiana Philharmonic, the Terre Haute Symphony Orchestra, the Stuttgart Philharmonics, being a substitute cellist for the Stuttgart Chamber Orchestra and the Stuttgart Opera Orchestra.

Sonja has participated in a large number of masterclasses in America and Europe with Lynn Harrell, Phillipe Muller, Mark Kosower,  Arto Noras, Wen-Sinn Yang, Wolfgang Emanuel Schmidt, László Fenyö;, Troels Svane, and Gustav Rivinius.

Sonja was and is the recipient of a number of scholarships, amongst others the Eva Heinitz Scholarship from the Jacobs School of Music, the "Cusanuswerk" a German study scholarship, etc. She also won multiple competitions, most recently the Indianapolis Martineé Musicale Scholarship Competition and the Popper Competition during the Cello|Fresno festival.