Australian commissioner of taxation Michael Carmody, Ernst & Young international tax solutions group head Alf Capito, University of Sydney professor of taxation law Graeme Cooper, Australian Taxation Office second commissioner and chief tax counsel Michael D’Ascenzo, ATAX director and UNSW professor of taxation Chris Evans and KPMG director David Kuhne to speak at the Tax Institute of Australia 20th National Convention, March 16 to 19 at the Perth Convention & Exhibition Centre.