Citation Rankings
Highly Cited Researchers

Highly Cited Researchers Citation Rankings 2025

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.

* Total Citation Counts Rankings
Ranking Based On Selection: 1
Greece
Stylianos (Stelios) Somarakis
Fish Biology
Fisheries Ecology
Reproduction and Early Life History
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,537
2,749
0.421
* Total Citation Counts Rankings
Ranking Based On Selection: 2
Greece
Christos Arvanitidis
Marine Biodiversity
Functional Diversity
Biodiversity Informatics
Transitional Ecosystems
Taxonomy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,417
4,010
0.625
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Greece
Anastasios Tselepides
Marine Ecology
Oceanography
Deep-Sea Research
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,092
1,623
0.266
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Greece
Chris Smith
Marine Biologist
Benthic Ecologist
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,036
3,291
0.545
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Greece
Manolis Tsapakis
environmental science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,974
2,171
0.363
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Greece
Eugenia T Apostolaki
Marine Ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,973
4,015
0.672
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Greece
Costas Papaconstantinou
Fish Biology
Fisheries
Fisheries management
Ichthyology
Biodiversity
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,857
1,589
0.271
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Greece
Antonios Magoulas
Genetics
genomics
phylogeography
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,707
1,733
0.304
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Greece
Nadia Papadopoulou
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,582
3,142
0.563
* Total Citation Counts Rankings
Ranking Based On Selection: 10
Greece
Nikolaos Lampadariou
Benthic ecology
meiofauna
biodiversity
free-living marine nematodes
deep sea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,235
2,267
0.433
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Greece
Paraskevi (Vivi) Pitta
Microbial Ecology
Structure and function of pelagic mictobial food webs
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,033
2,416
0.480
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Greece
Nikos Skoulikidis
Natural Sciences
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,949
3,239
0.654
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Greece
D. Sakellariou
Structural Geology
Tectonics
Marine Geology
Underwater Geoarchaeology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,833
2,355
0.487
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Greece
Thanos Dailianis
Marine Biology
Biodiversity
Marine Biotechnology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,464
2,845
0.637
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Greece
Athanassios Machias
Fisheries
Fish biology
Fisheries ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,339
1,696
0.391
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Greece
Anastasios Papadopoulos
Dynamic Meteorology
Numerical Weather Prediction
Environmental Physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,315
1,732
0.401
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Greece
George Tserpes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,287
1,991
0.464
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Greece
Costas S Tsigenopoulos
fish genomics
population genetics
aquaculture
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,261
1,784
0.419
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Greece
Vasilis Gerovasileiou
Marine Biodiversity
Marine Caves
Benthic Invertebrates
Sponges
Marine Conservation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,130
3,450
0.835
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Greece
Manolis Mandalakis
Bioanalysis
biotechnology
microbiology
environmental chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,920
1,622
0.414
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Greece
Christos D. Maravelias
Fisheries
Conservation
Marine Ecosystem and Climate
Fisheries Ecology and Management
Stock Assessment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,909
1,734
0.444
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Greece
Paraskevi Polymenakou
Marine Microbiology
Extreme Environments
Biotechnology
Genomic Observatories
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,905
1,920
0.492
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Greece
Aris Karageorgis
Sedimentology
geochemistry
particle dynamics
marine optics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,895
1,652
0.424
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Greece
Celia Vassilopoulou
Biology
Fisheries
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,780
1,776
0.470
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Greece
Nikos Papandroulakis
Aquaculture
Marine Biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,685
1,988
0.539
* Total Citation Counts Rankings
Rankings
157,076
Greece
1,042
1
Ranking Based On Selection: 1
Stylianos (Stelios) Somarakis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,537
2,749
0.421
Fish Biology
Fisheries Ecology
Reproduction and Early Life History
* Total Citation Counts Rankings
Rankings
160,059
Greece
1,068
2
Ranking Based On Selection: 2
Christos Arvanitidis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,417
4,010
0.625
Marine Biodiversity
Functional Diversity
Biodiversity Informatics
Transitional Ecosystems
Taxonomy
* Total Citation Counts Rankings
Rankings
168,849
Greece
1,158
3
Ranking Based On Selection: 3
Anastasios Tselepides
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,092
1,623
0.266
* Total Citation Counts Rankings
Rankings
170,345
Greece
1,172
4
Ranking Based On Selection: 4
Chris Smith
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,036
3,291
0.545
* Total Citation Counts Rankings
Rankings
172,143
Greece
1,192
5
Ranking Based On Selection: 5
Manolis Tsapakis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,974
2,171
0.363
* Total Citation Counts Rankings
Rankings
172,158
Greece
1,193
6
Ranking Based On Selection: 6
Eugenia T Apostolaki
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,973
4,015
0.672
* Total Citation Counts Rankings
Rankings
175,529
Greece
1,221
7
Ranking Based On Selection: 7
Costas Papaconstantinou
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,857
1,589
0.271
Fish Biology
Fisheries
Fisheries management
Ichthyology
Biodiversity
* Total Citation Counts Rankings
Rankings
180,165
Greece
1,256
8
Ranking Based On Selection: 8
Antonios Magoulas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,707
1,733
0.304
* Total Citation Counts Rankings
Rankings
184,086
Greece
1,285
9
Ranking Based On Selection: 9
Nadia Papadopoulou
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,582
3,142
0.563
* Total Citation Counts Rankings
Rankings
195,983
Greece
1,395
10
Ranking Based On Selection: 10
Nikolaos Lampadariou
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,235
2,267
0.433
Benthic ecology
meiofauna
biodiversity
free-living marine nematodes
deep sea
* Total Citation Counts Rankings
Rankings
203,569
Greece
1,463
11
Ranking Based On Selection: 11
Paraskevi (Vivi) Pitta
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,033
2,416
0.480
Microbial Ecology
Structure and function of pelagic mictobial food webs
* Total Citation Counts Rankings
Rankings
206,953
Greece
1,490
12
Ranking Based On Selection: 12
Nikos Skoulikidis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,949
3,239
0.654
* Total Citation Counts Rankings
Rankings
211,788
Greece
1,533
13
Ranking Based On Selection: 13
D. Sakellariou
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,833
2,355
0.487
Structural Geology
Tectonics
Marine Geology
Underwater Geoarchaeology
* Total Citation Counts Rankings
Rankings
228,131
Greece
1,682
14
Ranking Based On Selection: 14
Thanos Dailianis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,464
2,845
0.637
* Total Citation Counts Rankings
Rankings
234,138
Greece
1,744
15
Ranking Based On Selection: 15
Athanassios Machias
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,339
1,696
0.391
* Total Citation Counts Rankings
Rankings
235,380
Greece
1,768
16
Ranking Based On Selection: 16
Anastasios Papadopoulos
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,315
1,732
0.401
Dynamic Meteorology
Numerical Weather Prediction
Environmental Physics
* Total Citation Counts Rankings
Rankings
236,816
Greece
1,778
17
Ranking Based On Selection: 17
George Tserpes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,287
1,991
0.464
* Total Citation Counts Rankings
Rankings
238,125
Greece
1,789
18
Ranking Based On Selection: 18
Costas S Tsigenopoulos
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,261
1,784
0.419
fish genomics
population genetics
aquaculture
* Total Citation Counts Rankings
Rankings
245,074
Greece
1,846
19
Ranking Based On Selection: 19
Vasilis Gerovasileiou
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,130
3,450
0.835
Marine Biodiversity
Marine Caves
Benthic Invertebrates
Sponges
Marine Conservation
* Total Citation Counts Rankings
Rankings
257,070
Greece
1,960
20
Ranking Based On Selection: 20
Manolis Mandalakis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,920
1,622
0.414
Bioanalysis
biotechnology
microbiology
environmental chemistry
* Total Citation Counts Rankings
Rankings
257,693
Greece
1,967
21
Ranking Based On Selection: 21
Christos D. Maravelias
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,909
1,734
0.444
Fisheries
Conservation
Marine Ecosystem and Climate
Fisheries Ecology and Management
Stock Assessment
* Total Citation Counts Rankings
Rankings
257,911
Greece
1,968
22
Ranking Based On Selection: 22
Paraskevi Polymenakou
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,905
1,920
0.492
Marine Microbiology
Extreme Environments
Biotechnology
Genomic Observatories
* Total Citation Counts Rankings
Rankings
258,488
Greece
1,976
23
Ranking Based On Selection: 23
Aris Karageorgis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,895
1,652
0.424
Sedimentology
geochemistry
particle dynamics
marine optics
* Total Citation Counts Rankings
Rankings
265,309
Greece
2,046
24
Ranking Based On Selection: 24
Celia Vassilopoulou
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,780
1,776
0.470
* Total Citation Counts Rankings
Rankings
271,210
Greece
2,095
25
Ranking Based On Selection: 25
Nikos Papandroulakis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,685
1,988
0.539