Miranda Starke, CEO of COTA SA

Paul Barry, Author of 'The Big Steal: How steel tycoon Sanjeev Gupta fooled Australia and the world'

James Johnston, Senior Advocate for the Invasive Species Council

Phil Hoffmann, Phil Hoffmann Travel Founder & Director

James McCullagh, Business Relationship Lead for Australia & New Zealand at Explora Journeys

Jack Glover, Hill-Smith Family Estates Executive Director

Frank Ratta, Iconic Spruiker in Rundle Mall