The purpose of the Global Summit on Diamond Open Access is to bring the Diamond OA community together in a dialogue between journal editors, organizations, experts, and stakeholders from all continents. This unique event consists in a series of hybrid and multilingual events organized from 23 to 27 October 2023 in Toluca (Mexico) by Redalyc, UAEMéx, AmeliCA, UNESCO, CLACSO, UÓR, ANR, cOAlition S, OPERAS and Science Europe.