1. David B. Ridley () is faculty director of health sector management at the Fuqua School of Business, Duke University, in Durham, North Carolina.
2. Pranav Ganapathy is an analyst at Evercore, in Menlo Park, California. He was a student in the Department of Economics, Duke University, when this work was conducted.
3. Hannah E. Kettler is the director of Vaccine Financing and Partnerships, PATH, in Seattle, Washington, currently on secondment to the COVAX Facility at GAVI.