Stefan closed his 2009-2010 concert season with performances of the Beethoven Violin Concerto with the Omaha Symphony and the Sibelius Violin Concerto with the Oklahoma City Philharmonic. The Omaha World-Herald raved, "Jackiw delivered a memorable performance. Throughout, Jackiw played with a robust sound, lyrical tone, flawless intonation and effortless technique. His interpretation... was remarkable for its soaring lyricism" (read the review). The Oklahoman described Stefan's Sibelius as "Spectacular. A performance that will be talked about for weeks to come. Jackiw is a player of real distinction. Jackiw’s mastery was evident in countless ways... with thoughtful, intelligent playing throughout" (read the review).