Dr. Nancy Leveson is a professor of Aeronautics and Astronautics at MIT. She has spent 35 years working to make the world safer in such fields as transportation, healthcare, petrochemicals, nuclear power, aerospace, etc. One common element throughout all her work is an emphasis on applying systems thinking to complex systems and incorporating humans and social systems with engineering considerations. She consults extensively in many industries on the ways to prevent accidents and has served on numerous national and international committees and accident investigations including being an expert consultant for the Columbia Space Shuttle Accident Investigation Board, the Presidential Commission on Deepwater Horizon, the Baker Panel on the Texas City oil refinery explosion, and others. Her latest book, Engineering a Safer World, describes a paradigm changing approach to preventing unacceptable losses.