Robert Zafft’s introduction to business ethics came during Russia’s wild 1990s, when bankers were getting blown up on Main Street at rush hour. A Harvard Law graduate, Zafft has worked as a McKinsey & Company consultant, global-law-firm partner, private-equity Principal, and public-policy expert. He has advised governments, international organizations, and Fortune Global 500 companies across North America, Europe, and Asia.He teaches business ethics at Olin Business School, Washington University in St. Louis.