Ákos Lencsés was trained as a librarian and mathematician, and received his PhD at Eötvös Loránd University. He works as a data steward at the Governmental Agency for IT Development, Hungary (KIFÜ), with a strong focus on Open Science and promoting the European Open Science Cloud. He spent 5 years as the Head of Institutional Coordination at the Electronic Information Service National Programme (EISZ) at the Library and Information Centre of the Hungarian Academy of Sciences. EISZ, as the Hungarian national consortium for e-resources, provides access to more than 70 scientific journal collections and databases for 250 public institutions. Ákos led projects focusing on Holocaust research and cross-border Hungarian research institutions. He took on active role in activities facilitating open access publication of Hungarian research. From 2007 to 2015, he was Head of Services at the Hungarian Central Statistical Office’s Library where he was responsible for statistical information provision and databases. His doctoral dissertation investigated the relationship of information science and official statistics, and the role of specialized libraries in the handling of statistical data. He is a member of the Scientific Committee on Statistics and Future Research of the Hungarian Academy of Sciences. With the coordination of the Hungarian Young Academy, he contributed to the work of the Open Science section at World Science Forum 2019 as a rapporteur. In 2012, he was awarded with the prize “Young Librarian of the Year” by the Association of Hungarian Librarians, and the Alliance of Libraries and Information Institutes. He holds lectures on library and information science at Kodolányi János University.