Few people have had the immense impact that Meghan O’Sullivan has had at the highest levels of geopolitics. She is a globally respected geopolitical expert who has advised the nation’s highest-ranking leaders — from President George W. Bush to Secretary of State Antony Blinken — on some of the most-complex challenges in international affairs. Currently, Dr. O’Sullivan is the Director of the Belfer Center for Science and International Affairs and the Jeane Kirkpatrick Professor of the Practice of International Affairs at Harvard University’s Kennedy School. There, she leads 300 scholars, practitioners, and staff as they advance the boundaries of international relations, security, technology, science, energy, and the environment. The Belfer Center has consistently been ranked as the world’s top academic think tank.

Jeff Skiles, the co-pilot of US Airways Flight 1549 (otherwise known as “The Miracle on the Hudson”), is no stranger to intense training, re-training, preparation, and organization. Before the fateful collision with the Canadian geese that caused the plane’s engine failure, Skiles had logged over 20,000 hours in the sky and had worked more than 23 years as a U.S. Airways pilot and first officer. Skiles recounts how he reacted to the crisis and the events that led to the Hudson River landing and addresses leadership, teamwork, adaptability, and the need for training and preparation.

Joel Brenner is the former national counterintelligence executive and mission manager for counterintelligence at the Office of the National Counterintelligence (CI) Executive, which directs national, interagency CI for the government. He is the author of America the Vulnerable: Inside the New Threat Matrix of Digital Espionage, Crime and Warfare. Brenner is a cyber security expert and provides business strategies on this complex issue. He also addresses global risk management, privacy, and data security.

With a career devoted to understanding how humans make risk decisions, Andy Ellis is a seasoned technology executive with deep expertise in security. An advisor to several cyber security startups, including Orca, Vulcan, and Uptycs, he currently serves as an advisor at cyber security venture capital firm, YL Ventures. Ellis formerly served as the chief security officer of web and internet security company Akamai. In his 20 years with Akamai, he helped to design and bring to market several of the company’s core technologies behind its security solutions. Combining more than 20 years of security experience with insider anecdotes from his time serving as CSO, he explores how and why humans make risk choices and decisions – and their impact on security.

Daniel Linskey is a Managing Director in Kroll’s Investigations and Disputes practice, and is head of the Boston office. As the former Superintendent-in-Chief of the Boston Police Department (BPD) and a 27-year veteran of the force, Dan provided strong leadership through some of the most tragic and contentious events in the city’s history, including the Boston Marathon bombings and the Occupy Movement.

Director of Harvard's Belfer Center for Science and International Affairs, Graham Allison is a leading analyst of U.S. national security and defense policy with a special interest in nuclear weapons, terrorism, and decision-making. As Assistant Secretary of Defense in the first Clinton Administration, Dr. Allison received the Defense Department's highest civilian award, the Defense Medal for Distinguished Public Service, for "reshaping relations with Russia, Ukraine, Belarus, and Kazakhstan to reduce the former Soviet nuclear arsenal."