23-year-old Alexander was a winner in Artology’s 2015 Fanfare Competition (Sydney) and reached the semi-finals of the Bartok World Composition Competition (Budapest) in both 2018 and 2020. He was awarded The University of Queensland’s Prize for Composition in 2019 and 2021. In 2018, he conducted several performances of his chamber symphony Sontsivka across North Queensland. Alexander attended the Australian Youth Orchestra’s 2020 National Music Camp as a composition participant, and was engaged in the Melbourne Symphony Orchestra’s 2020 Cybec 21st Century Composers’ Program. His chamber opera, Edward and Richard: The True Story of the Princes in the Tower, premiered in July 2021 in Brisbane.