Geoff Tuff is a Principal at Deloitte; he holds various leadership roles across the firm’s Sustainability, Innovation and Strategy practices. Steven Goldbach is a Principal at Deloitte and serves as the firm’s Chief Strategy Officer. Together, they are the authors of PROVOKE: How Leaders Shape the Future by Overcoming Fatal Human Flaws (Wiley; September 15) and the national bestseller DETONATE: Why-And How-Corporations Must Blow Up Best Practices (And Bring a Beginner’s Mind) to Survive.