John Scott Humphrey is a businessperson who has been the head of 6 different companies and presently is Non-Executive Chairman for Spotless Group Ltd. and Chairman of Spotless Group Holdings Ltd. Mr. Humphrey is also on the board of Works Finance (NZ) Ltd. and Lynas Rare Earths Ltd.

He previously held the position of Chairman for Auswide Bank Ltd., Independent Non-Executive Director at Horizon Oil Ltd., Senior Partner at King & Wood Mallesons Ltd., Chairman at Geo Developments Pty Ltd., Chairman at Villa World Ltd., Member of Australia Takeovers Panel and Executive Dean at Queensland University of Technology.

John Scott Humphrey received a graduate degree from The University of Queensland.