In 2008, his choreography of 'The Nutcracker' for the West Australian Ballet received critical acclaim. Cavallari was the artistic director of the West Australian Ballet, the oldest company of Australia created in 1952 by Kira Abrissokova (Bousloff) from 2007 till 2012. In 2013 he left Perth for personal reasons and will take up the position as artistic director of the Ballet du Rhin in Alsace, France. Karen van Ultzen in her article tiled "Ivan the Wonderful" on the "Dance" website discusses Cavallari's achievement while artistic director of the WA Ballet.