Clarivate Highly Cited Researchers 2025

Of the world’s population of scientists and social scientists, Highly Cited Researchers are 1 in 1,000

Highly Cited Researchers demonstrate significant and broad influence in their field(s) of research. Each researcher selected has authored multiple Highly Cited Papers which rank in the top 1% by citations for their field(s) and publication year in the Web of Science Core Collection over the past eleven years. However, citation activity is not the sole selection indicator. This list, based on citation data, is then refined using other quantitative metrics, as well as qualitative analysis and expert judgment.

7,131 Highly Cited Researcher awards in 2025

Full Name		Category	Primary Affiliation	Secondary Affiliations
	Sitti, Metin	Engineering	Koc University, Turkiye
	Siu, Lillian L.	Cross-Field	University of Toronto, Canada
	Sivarajah, Uthayasankar	Cross-Field	University of Bradford, United Kingdom
	Six, Johan	Cross-Field	Swiss Federal Institute of Technology Zurich, Switzerland
	Sjodin, David	Economics and Business	Lulea University of Technology, Sweden
	Skaar, T. C.	Pharmacology and Toxicology	Indiana University Bloomington, United States
	Skiniotis, Georgios	Cross-Field	Stanford University, United States
	Skouta, Rachid	Cross-Field	Columbia University, United States
	Slack, Frank J.	Cross-Field	Beth Israel Deaconess Medical Center, United States
	Slamon, Dennis J.	Cross-Field	University of California Los Angeles, United States

2025 Analysis

Analysts from the Institute for Scientific Information provide valuable insights into the global landscape of top research talent and identify trends across countries, regions, and institutions.

Read our analysis

Highly Cited Researchers: Key trends 2014-2024

Explore a decade of data-driven insights on the world’s most influential researchers with our interactive dashboard.

Explore the insights