Alexander completed his Bachelor of Music majoring in Musical Theatre at The Australian Institute of Music in 2015. He then went on to complete his Diploma of Musical Theatre at Brent Street in 2016. He has performed extensively in Sydney and the South Coast.

His most recent appearances include Kenickie in Grease SoPopera Productions 2021, Bob Crew in Jersey Boys SoPopera Productions 2021, Cedric/Voldy in Puffs, Rising Arts Productions 2021, Willy Wonka in Charlie and the Chocolate Factory, Notable Theatre Company 2022, Tick in Priscilla Queen of the Dessert, SoPopera Productions 2022, Danny in Xanadu, Ikigai Entertainment 2023, Ned Schneebly in School of Rock, SoPopera Productions 2023. Most recently he played Lysander in A Midsummer Night’s Dream, Merrigong Theatre Company.