Mark L. Rosenberg is president and chief executive officer of the Task Force for Global Health, a nonprofit organization whose programs include work in three sectors: health system strengthening, immunization and vaccines, and neglected tropical diseases. Before assuming his current position, Dr. Rosenberg served twenty years with the Centers for Disease Control and Prevention. Dr. Rosenberg has researched and consulted widely on effective collaboration in global health and is the lead author of Real Collaboration: What It Takes for Global Health to Succeed. He is a member of the Institute of Medicine, where he co-chairs the Forum on Global Violence Prevention. Educated at Harvard University and board-certified in psychiatry, neurology, and internal medicine with training in public policy, Dr. Rosenberg also serves on the faculty of Emory University School of Medicine, the Rollins School of Public Health, and Morehouse School of Medicine.