Universiteit Leiden

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Nees Jan van Eck

Senior researcher

Dr. N.J.P. van Eck
+31 71 527 6445

Senior researcher, head of ICT, and coordinator of the Information & Openness focal area. Nees Jan's research focuses on infrastructures and the devepment of tools and algorithms to support research assessment, science policy, and scholarly communication.

More information about Nees Jan van Eck

Nees Jan van Eck is senior researcher at the Centre for Science and Technology Studies (CWTS) at Leiden University in the Netherlands. He is doing research in the field of bibliometrics and scientometrics. His research focuses on the development of visualization tools and algorithms, mainly for analyzing the structure and development of science. Nees Jan is the main developer of VOSviewer and CitNetExplorer, two well-known software tools for visualizing bibliometric data. The VOSviewer software is frequently used in bibliometric studies. More than 20,000 publications have appeared in international scientific journals in which the software is employed. In addition to his work on bibliometric visualization, Nees Jan also focuses on the study of bibliometric data sources and the analysis of the full text of scientific publications. Nees Jan has published more than 80 publications. He is editor brief communications of the Journal of the Association for Information Science and Technology, he serves in the editorial boards of Journal of Data and Information Science and Quantitative Science Studies, and he served as an elected board member of the International Society for Informetrics and Scientometrics between 2015 and 2023. Nees Jan has been involved in various commercial bibliometric research projects and training courses in which the VOSviewer software plays a key role. He is also coordinator of the Information & Openness focal area of CWTS and the head of ICT of CWTS, making him responsible for the entire data infrastructure of the center.

See also Nees Jan's personal website: www.neesjanvaneck.nl.

Senior researcher

  • Faculteit der Sociale Wetenschappen
  • CWTS

Work address

Willem Einthoven
Kolffpad 1
2333 BN Leiden
Room number B4.38



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