Donald Sull is a global expert on strategy and execution in turbulent markets. He is a senior lecturer at the MIT Sloan School of Management. Kathleen Eisenhardt is the S. W. Ascherman Professor of Strategy at Stanford, a highly cited author, and the co-director of the Stanford Technology Ventures Program. The are the authors of the new book Simple Rules: How to Thrive in a Complex World. In this interview, we talk about the complexity that surrounds all of us, and how by developing a few simple yet effective rules, people can best even the most complex problems.