As the former CEO of Sportsgirl, Colleen Callander has had a remarkable rise to the highest echelon of leadership. From the shop floor at Just Jeans to standing at the helm of one of Australia’s most-loved fashion brands, Callander knows what it means to work her way to the top.

I was lucky enough to sit down with John Gualtieri last week to discuss his retail career finding out what he does and why he does it. Johns passion for product combined with his keen eye for detail has earnt him arguably the top job in Australian Retail. As CEO of Kmart Australia Limited,...