Theodor Sink is a versatile musician who is an active soloist, chamber musician, and orchestral player. He has studied cello at the Tallinn Music High School with Laine Leichter and Leho Karin, the Estonian Academy of Music and Theatre with Prof. Henry-David Varema and the Sibelius Academy in Finland under the supervision of Prof. Marko Ylönen. He has participated in many master courses, including Lluis Claret and Patrick Demenga, and has won several prizes at the national and international cello competitions.