Citation Rankings
Highly Cited Researchers

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The Citation Rankings (Highly Cited Researchers) highlight the most cited and influential researchers across a vast range of scientific fields, covering 197 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings. This service, offered exclusively by AD Scientific Index, aims to provide a balanced perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers, particularly in the social sciences and humanities. This unique approach addresses the advantages researchers with multi-author publications and CERN involvement hold over others. Furthermore, citation rankings help uncover rule violations and unethical practices within the research community. For more detailed citation analyses, explore the Scientists Last 6 Years Citation Index, Universities Total Citations Rankings 2025, and Universities Last 6 Years Citations Rankings 2025.

* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :1
United States
April (Coan) Sykes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,224
3,433
0.552
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :2
United States
Ramzi Alsallaq
Mathematical Modeling
Data Science
Computational Methods
Sexually Transmitted Infections
Helminths Infections
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,036
682
0.335
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :3
United States
Surendhar Reddy Chepyala
Mathematical modeling
Bioinformatics
PK/PD
Systems biology
Proteomics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
508
325
0.640
* Last 6 Years Citation Counts Rankings
Rankings
149,048
United States
51,653
99
Ranking Based On Selection: 1
April (Coan) Sykes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,224
3,433
0.552
* Last 6 Years Citation Counts Rankings
Rankings
618,812
United States
180,839
310
Ranking Based On Selection: 2
Ramzi Alsallaq
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,036
682
0.335
Mathematical Modeling
Data Science
Computational Methods
Sexually Transmitted Infections
Helminths Infections
* Last 6 Years Citation Counts Rankings
Rankings
912,885
United States
243,918
403
Ranking Based On Selection: 3
Surendhar Reddy Chepyala
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
508
325
0.640
Mathematical modeling
Bioinformatics
PK/PD
Systems biology
Proteomics