1. John Brown is chairman of the board, Stryker Corporation, in Portage, Michigan. Stryker is a major manufacturer of medical products and services, specializing in orthopedic devices. Rob Burns () is the James Joo-Jin Kim Professor and a professor of health care systems and of management; he also is director of the Wharton Center for Health Management and Economics, all at the Wharton School, University of Pennsylvania, in Philadelphia.