Since 1994, Interface’s journey to sustainability has redefined the company. In the process, it has emerged as an exemplar of sustainable business practices. For the past four years, the authors have been actively engaged in studying Interface. Their summit design blended a 5-D Appreciative Inquiry framework with World Café and the U Process. Sixty participants from around the world gathered for a 48-hour summit over three days in May, 2008. It was a powerful and effective means of creating dialogue between high-level organizational members, showing that AI has the potential to drive the radical transformation of business necessary to meet the current and future growing social and environmental challenges of society.