Jacqueline Brassey, PhD, MAfN, is McKinsey’s chief scientist, the director of research science for People and Organizational Performance at McKinsey, and a global leader with the McKinsey Health Institute. She is also affiliated with the Vrije Universiteit Amsterdam in the Netherlands, is an adjunct professor at IE University in Madrid, Spain, and serves on the supervisory board of Save the Children NL. Jacqui and her husband, Nicholas, live in Luxembourg with their teenage twins.