Research assistant, working mainly on Leiden Ranking and various European Union projects.
PhD candidate and member of the QSS research group. His research focuses on machine learning and natural language processing of papers to improve literature searches.
Part-time PhD candidate who also works as staff advisor at the UMC Utrecht and is involved in the Science in Transition initiative. He analyzes institutional policy-making processes that shape research evaluation practices.
Emeritus professor of Science Policy Studies. Cornelis focuses on the impact of various types of research and development activities on economic growth and on the career system in research.
Research assistant and bibliometric consultant. Carole joined CWTS in 2018 and is currently involved in several performance and evaluation studies for independent contract research at CWTS B.V.
PhD candidate also affiliated with the Brazilian Agency for Support and Evaluation of Graduate Education - CAPES. His research focuses on the improvement of the evaluation system adopted by his agency to guarantee the quality and development of Science & Technology in the country.
Researcher and coordinator of contract research projects. Clara's research work is related with network analysis applied to scientific publications, particularly citations and co-authorship networks for the study of research performance.
Researcher. Tung Tung analyses Responsible Research and Innovation (RRI) in practice and the development of open science in European countries.
Researcher focusing on full-text analytics and the humanities. Giovanni is interested in computational approaches to model the use scholars make of language, in science within Wikipedia, and in understanding the social and intellectual organisation of humanities disciplines.
Senior researcher. Rodrigo's research focuses on the development of new social media metrics (altmetrics), new scientometric applications at the individual-level and the study of funding acknowledgements.
Researcher. Guus’ research focuses on ways to foster responsible research in biomedicine and on the historical and institutional contexts in which ‘the incentive’ became an instrument to understand and govern human behavior.
Senior researcher and head of ICT. Nees Jan's research focuses on the development of visualization tools and algorithms, mainly for analyzing the structure and development of science.
PhD candidate. Zhichao’s research interests focus on the development and application of altmetrics and usage metrics.
Researcher and bibliometric consultant. Márcia carries out advanced performance and evaluation studies for independent contract research at CWTS B.V.
Research assistant. Maia's work focuses on the identification of universities for Leiden Ranking, KnowMak and U-Multirank.
Researcher. Thomas works on the intersection of valuation studies, sociology and STS. Previous research analyzed the constitutive effects of the rise of competitive project funding on the epistemic and organizational properties of research. His current interests are the history of scientometrics and valuation cultures in the humanities and its effects on knowledge production.
Research fellow at CWTS. His research addresses evolutionary knowledge dynamics to understand how geographic regions, economic sectors and scientific fields create new ideas.
Senior research fellow at CWTS. Laurens conducts research into the processes and mechanisms of knowledge valorization and into methods and indicators for evaluating valorization.
Researcher. Trained as an anthropologist Tjitske studies how evaluation gets done, what kind of resources and people they mobilize, and what kinds of practices, collectives and ideas of accountability, change and quality they make possible.
Researcher. Stefan’s research interests are the relationship between science policy and academic research, focusing on societal impact and evaluation of academic research.
Researcher. Wolfgang focuses on a variety of topics in the area of evaluation studies, including the politics of quantification and the interpretation and use of academic CVs in peer review.
Junior researcher. Wouter has a burning interest in combining quantitative and qualitative studies of science. Within the STIS group at CWTS, he will be working on projects related to university industry interactions and collaborations.
PhD candidate also affiliated with the Leiden Centre of Data Science. Wout’s research focuses on studying patterns in scientific knowledge accumulation using full-text analysis of publications.
Senior researcher and co-leading the research theme on open scholarship. Thed's research focuses on the various aspects of open scholarship, as well as on the research assessment of scholarly activity in the social sciences, the humanities, and law. He is co-editor of the OUP journal Research Evaluation.
Senior researcher in research policy and evaluation with a focus on biomedicine and healthcare R&I. Ingeborg’s main goal is to make sure that society is able to use research.
Research assistant. Sonia joined the CWTS in 2017 and is currently involved in RISIS project (Research infrastructure for research and innovation policy studies) and KNOWMAK (Knowledge in the making in the European Society).
Endowed professor Evidence for Science Policy, CWTS, and Head of Research at the Rathenau Instituut. Barend’s research focuses on instruments of science policy making and the changes in the profession of science.
Senior researcher and Deputy Director of CWTS for Projects. Ed's main research interests involve structures and mappings of science and their use in science policy and research management, field delineation, and multi-dimensional impact analysis, in particular societal impact of science.
Emeritus professor of Quantitative Studies of Science. Ton's research focuses on the application of bibliometric indicators in research evaluation, science as a self-organizing complex system, statistics of bibliometric indicators, ranking and benchmarking of universities, and mapping of science.
Researcher. Andrea’s research focusses on the different academic and health science systems and the relationships between them. She is also involved in projects concerning research integrity in scientific publishing and research support organisations.
Professor of Science and Evaluation Studies and director of CWTS, and coordinator of the Science and Evaluation Studies research group. Her research interests include academic valuation and evaluation processes, changing research cultures, knowledge infrastructures, and roles of research in and for society.
Researcher and member of the Science and Evaluation Studies (SES) working group. Clifford’s research is focused on Open Science in relation to emerging evaluation practices and research information systems.
Professor of Science & Innovation Studies. Coordinator of the Science, Technology and Innovation Studies (STIS) research group at CWTS. Robert's research interests focus on knowledge flows, linkages, and interactions between science and innovation, with an emphasis on the role of universities.
Senior researcher and bibliometric consultant. Vincent's research focuses on complex networks and social dynamics. He holds a Master in sociology and a PhD in applied mathematics, and tries to combine the two in his work.
Researcher and PhD candidate. Martijn's research focuses on data sources for the measurement of research performance.
Professor of Quantitative Science Studies and deputy director of CWTS. Ludo leads the Quantitative Science Studies (QSS) research group. He is coordinator of the CWTS Leiden Ranking and co-developer of the VOSviewer software for bibliometric visualization.
Senior researcher, lecturer and PhD coordinator. Inge conducts both qualitative and quantitative research on the motivation, selection and evaluation of scholars in order to better understand career development of scientists within and outside academia.
Researcher. Jos’ research focuses on knowledge flows in the interface between science and technology. He has a special interest in the proliferation of discoveries in frontier science (breakthroughs) into game-changing technologies.
Professor of Scientometrics and Dean of the Faculty of Social and Behavioural Sciences. Paul is interested in how evaluation systems have developed and are creating new constraints for the development of knowledge. He is also interested in the history of science in general and the role of information systems in these histories in particular.
Senior researcher and member of the Science, Technology, and Innovation Studies (STIS) research group. Alfredo's research interests include, among others, public-private interactions and knowledge flows, science-technology linkages, and relationship between science/technology and innovation.
Researcher and member of Quantitative Science Studies research group. Zohreh’s research focuses on studying the interactions between social media and science (Social Media Study of Science)
PhD candidate. Jochem is working on a PhD thesis that focuses on the formative effects of new incentive and reward systems in biomedicine within the Science and Evaluation Studies (SES) group.
Visiting researcher and president of SciTech Strategies, Inc. His research focuses on the detailed mapping of literature and other data sources, and on establishing the accuracy of those maps.
External PhD candidate. Eleonora is working on a PhD thesis that focuses on the quantitative research evaluation and its unintended consequences within the Quantitative Science Studies (QSS) research group.
External PhD candidate. Jamal’s research interests include quantitative science studies as well as research evaluation with a focus on the Middle-East and Africa region.
Visiting postdoctoral researcher. Björn’s current research focuses on evaluation systems and university rankings as examples of an emerging “metric culture” in academia. He is also interested in the use, and misuse, of bibliometric measures on the humanities.
Associate professor at Université de Montréal and visiting professor at CWTS. At Université de Montréal, Vincent holds the Canada Research Chair on the Transformations of Scholarly Communication.
Visiting researcher. Marc's research focuses on performance-based funding in higher education and measuring outcome and impact of publicly funded research.
Associate professor at the Centre for Interdisciplinary Methodologies at Warwick University and Visiting Professor at CWTS. Noortje's work is concerned with participation in technological societies and contributes to the development of digital research methodologies, in particular issue mapping.
Postdoctoral researcher and member of the Science and Evaluation Studies research group. Philippe’s research interests include the relationship between evaluation practices and knowledge production, team science, and researchers’ data sharing and reuse behavior.
Visiting researcher. Tina's research focuses on the statistical analysis and modeling of bibliometric data and citation networks.
Visiting researcher. Ton's research focuses on research evaluation and bibliometric analysis in general (including in the social sciences and humanities).
Science policy analyst at Ingenio (CSIC-UPV, Universitat Politènica de València) and visiting professor at CWTS. Ismael works on research evaluation and science mapping, focusing on more plural S&T indicators for informing priority setting and research strategies.
Visiting researcher, focusing on developments in Open Access academic publishing through the lens of Science and Technology Studies.
Visiting researcher, focusing on science and innovation policy and the organisation of research, with an emphasis on scientific collaboration.
Visiting researcher. Cathelijn’s research focuses on science education and study performance in medical school.
Assistant Professor at the Science Based Business Program, Faculty of Science, Leiden University.
Database developer and administrator. Patrick is involved in the development and maintenance of the CWTS database system.
Sales director CWTS B.V. Mark is responsible for the development of the contract research activities for research performance studies, network analyses, and science mapping studies, as well as tailor-made training courses for clients.