World-renowned Johns Hopkins epidemiologist Dr. Patricia O’Campo was recruited to be the second holder of the Inner City Health Chair and Director of the Unit, a position she held for 11 years. Dr. O’Campo had authored one of the first papers to examine the social and economic factors that affect health. Her early career research helped shape what is now known as social epidemiology. Today, Dr. O’Campo is a MAP Scientist, Executive Director of the Li Ka Shing Knowledge Institute at St. Michael’s, and a Tier 1 Canada Research Chair in Population Health Intervention Research.