The Research Data Alliance (RDA) is a global organization aimed at fostering open data sharing and collaboration across disciplines to tackle societal challenges, with membership available to anyone interested in promoting data sharing. RDA has produced significant outputs through its working and interest groups, addressing issues like reproducibility, data preservation, and legal interoperability, with a community of over 4,500 members from 115 countries. The document outlines RDA's mission, activities, organizational structure, plenary meetings, and affiliated initiatives in Europe.