Experienced hand surgeon and orthopaedist with international training.Dr Kask graduated from the Faculty of Medicine of the University of Tartu in 2004 and completed his residency in orthopaedic surgery in 2009. Also in 2009 he defended his doctoral thesis in University of Lübeck. In 2014 he passed successfully the European Board of Hand Surgery diploma examination. He has trained in hand surgery at Tampere University Hospital in Finland and undertook six months’ extensive fellowship at Singapore University Hospital. He is a founding member of the Estonian Society for Surgery of the Hand and currently serves as the chairman of its management board.