Prof. Renaldas Gudauskas received his graduate diploma in Library and Information Sciences at Vilnius University. In Saint Petersburg‘s Institute of Culture he defended his doctoral dissertation in Social Sciences.

Since 1985, he has been giving lectures to bachelor and master level students at Vilnius University. In 1996–1998, Prof. Renaldas Gudauskas was Advisor for Information and Communication to the President of Lithuania; in 1998–2000, Vice-Minister for information and informatics at the Ministry of Public Administration; in 2001–2005, Advisor to Prime Minister of Lithuania for science, education and information society development. Now Prof. Renaldas Gudauskas is an expert at the Lithuanian Academy of Sciences.

In 2010, Prof. Renaldas Gudauskas became Director General of the Martynas Mažvydas National Library of Lithuania, developing the organization‘s core mission, to ensure satisfaction of the Lithuanian knowledge society’s needs for documentary and digital information. His important priorities are international cooperation, cultural heritage digitization and strategic projects.

Currently Prof. R. Gudauskas is a board member of the association ”Bibliotheca Baltica”. His main activity in the Association is related to the cooperation of libraries of the Baltic Region, project initiation, international library and information policy-making institutions. He is also the national representative of the UNESCO Information for All Programme (IFAP), the European Science Foundation, member of the Geosciences Centre of Coimbra University (Portugal) and an expert at the Science Council of Lithuania  (Information Society & eGovernment). In 2012, he was member of the Management Committee of The European Library; in 2012–2018, President of the Bibliotheca Baltica Association.