Jacqueline (Jacqui) Brassey started at McKinsey & Company in 2013 as an expert consultant in the organization practice where she further specialized in transformational change, diversity & inclusion, human capital and leadership development. She has led the learning & development of McKinsey's top 600 most senior leaders and serves on the firm's global learning team. She has a PhD in Economics and Business from Groningen University, MS in affective neuroscience from the University of Maastricht and Florence, BA and MA cum laude in policy and organization sciences from Tilburg University and a bachelor's degree in international business and languages from Avans University of Applied Sciences. She coauthored over twenty book chapters and articles in the area of organizational behavior and leadership development. Additionally, she serves as a board member of Save the Children. Jacqui and husband, Nicholas, live in the Netherlands with their 12-year-old twins. Aaron De Smet joined McKinsey and Company in 2003; he has led the firm's thinking on organizational health and leadership. His articles in McKinsey Quarterly are among its most-read and he is a member of the master faculty of the Change Leaders Forum and of the Organizational Agility Forum, which he helped establish. He leads McKinsey's thinking on organizational health and was on the team that developed the Organizational Health Index (OHI) and OrgLab. Aaron has a PhD in social and organizational psychology from Columbia University, where he specialized in organizational dynamics, culture, leadership, and strategic change. He also has an MBA and BA in psychology. He lives in New Jersey with his family.