We are particularly grateful to the following individuals who shared with us their experiencesand perspectives on the matter of country contributions to GPGs: Björn Kümmel (Chair of theWHO WG on Sustainable Finance), Geoff Adlide (Director Partnerships at Global Program onEducation), Oyun Sanjaasuren (Director External Affairs Green Climate Fund), Saul Walker(Deputy Director Covid 19 Vaccines, Therapeutics and Diagnostics Strategy, UK Foreign Commonwealthand Development Office), David McCoy (Research Lead UNU-International Institutefor Global Health), Kerri Elgar (Senior Policy Analyst Organization for Economic Cooperation onDevelopment), Aussama Bejraoui (Statistical and Policy Analyst, Organization for Economic Cooperationon Development), Hampus Holmer (Special Advisor on Global Health Swedish Ministryfor Foreign Affairs), Madhav Joshi (Chief Executive India Health Fund). We are also gratefulfor strategic guidance and input from Jon Lidén. Thanks finally to Qi Liu (Seek Development) foreditorial assistance.