1. Judith Kallenberg ( ) is head of policy at Gavi, the Vaccine Alliance, in Geneva, Switzerland.
2. Wilson Mok is senior manager of price forecasting at Gavi.
3. Robert Newman is Cambodia country director for the Centers for Disease Control and Prevention, in Phnom Penh. At the time this work was conducted, he was managing director of policy and performance at Gavi.
4. Aurélia Nguyen is director of policy and market shaping at Gavi.
5. Theresa Ryckman is a program officer at the Results for Development Institute, in Washington, D.C.
6. Helen Saxenian is a health economist and independent consultant in Bethesda, Maryland.
7. Paul Wilson is an assistant professor at the Mailman School of Public Health, Columbia University, in New York City.