Top 100 Scientists

World Top 100 Scientists 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (873,864 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection :1
Richard Duncan
Ecology - Biological Invasions - Conservation Biology
Metrics
H-Index
i10 Index
Citation
73
174
22,721
* Rankings
Ranking Based On Selection :2
Arthur Georges
Reptile genomics
Phylogenetics
Sex setermination
Evolution
Ecology
Metrics
H-Index
i10 Index
Citation
62
206
15,894
* Rankings
Ranking Based On Selection :3
Ross Thompson
ecology
water science
freshwater ecology
urban ecology
spatial ecology
Metrics
H-Index
i10 Index
Citation
47
119
9,533
* Rankings
Ranking Based On Selection :4
Mark Lintermans
freshwater fish
fisheries
invasive species
threatened fish
Metrics
H-Index
i10 Index
Citation
42
104
5,947
* Rankings
Ranking Based On Selection :6
Bernd Gruber
ecological modeling
landscape genetics
population dynamics
spatial analysis
bayesian statistics
Metrics
H-Index
i10 Index
Citation
39
68
19,095
* Rankings
Ranking Based On Selection :7
Peter Bridgewater
bioidversity
landscape ecology
enviornmental policy
Metrics
H-Index
i10 Index
Citation
39
102
9,556
* Rankings
Ranking Based On Selection :10
Michael Frese
Virology
Innate immunity
RHDV
Mx
Palaeontology
Metrics
H-Index
i10 Index
Citation
28
48
4,877
* Rankings
Ranking Based On Selection :12
Susan J Nichols
Freshwater Ecology
Environmental Assessment
Biological Monitoring and Assessment
Causal Criteria
Metrics
H-Index
i10 Index
Citation
24
42
1,626
* Rankings
Ranking Based On Selection :13
Russell Dinnage
Ecology
Evolutionary Biology
Statistical Methods
Deep Learning
Metrics
H-Index
i10 Index
Citation
18
20
2,623
* Rankings
Ranking Based On Selection :14
David Albert Pepper
Ecosystem science
carbon cycle
ecological sustainability
Metrics
H-Index
i10 Index
Citation
17
18
1,649
* Rankings
Ranking Based On Selection :16
Ro McFarlane
Public Health
One Health
Epidemiology
Food
Biodiversity
Metrics
H-Index
i10 Index
Citation
14
17
1,299
* Rankings
Ranking Based On Selection :17
Brenda Dyack
environment
health
economics
art
recreation economics
Metrics
H-Index
i10 Index
Citation
14
14
1,211
* Rankings
Ranking Based On Selection :20
Abu Barkat Ullah
Cyber security & Safety
Artificial Intelligence
Evolutionary Optimization
Metrics
H-Index
i10 Index
Citation
10
10
344
Rakhi Palit
Ecology
Plant invasion
Physiological ecology
Metrics
H-Index
i10 Index
Citation
6
5
549
Rankings
Ranking Based On Selection: 1
Richard Duncan
Metrics
H-Index
i10 Index
Citation Counts
73
174
22,721
Ecology - Biological Invasions - Conservation Biology
Rankings
Ranking Based On Selection: 2
Arthur Georges
Metrics
H-Index
i10 Index
Citation Counts
62
206
15,894
Reptile genomics
Phylogenetics
Sex setermination
Evolution
Ecology
Rankings
Ranking Based On Selection: 3
Ross Thompson
Metrics
H-Index
i10 Index
Citation Counts
47
119
9,533
ecology
water science
freshwater ecology
urban ecology
spatial ecology
Rankings
Ranking Based On Selection: 4
Mark Lintermans
Metrics
H-Index
i10 Index
Citation Counts
42
104
5,947
freshwater fish
fisheries
invasive species
threatened fish
Rankings
Ranking Based On Selection: 5
Jim Hone
Metrics
H-Index
i10 Index
Citation Counts
41
88
7,118
Rankings
Ranking Based On Selection: 6
Bernd Gruber
Metrics
H-Index
i10 Index
Citation Counts
39
68
19,095
ecological modeling
landscape genetics
population dynamics
spatial analysis
bayesian statistics
Rankings
Ranking Based On Selection: 7
Peter Bridgewater
Metrics
H-Index
i10 Index
Citation Counts
39
102
9,556
bioidversity
landscape ecology
enviornmental policy
Rankings
Ranking Based On Selection: 8
Dianne Gleeson
Metrics
H-Index
i10 Index
Citation Counts
37
88
4,613
Rankings
Ranking Based On Selection: 9
Frank Krikowa
Metrics
H-Index
i10 Index
Citation Counts
36
71
3,173
Rankings
Ranking Based On Selection: 10
Michael Frese
Metrics
H-Index
i10 Index
Citation Counts
28
48
4,877
Virology
Innate immunity
RHDV
Mx
Palaeontology
Rankings
Ranking Based On Selection: 11
Jerry Olsen
Metrics
H-Index
i10 Index
Citation Counts
25
63
2,031
Rankings
Ranking Based On Selection: 12
Susan J Nichols
Metrics
H-Index
i10 Index
Citation Counts
24
42
1,626
Freshwater Ecology
Environmental Assessment
Biological Monitoring and Assessment
Causal Criteria
Rankings
Ranking Based On Selection: 13
Russell Dinnage
Metrics
H-Index
i10 Index
Citation Counts
18
20
2,623
Ecology
Evolutionary Biology
Statistical Methods
Deep Learning
Rankings
Ranking Based On Selection: 14
David Albert Pepper
Metrics
H-Index
i10 Index
Citation Counts
17
18
1,649
Ecosystem science
carbon cycle
ecological sustainability
Rankings
Ranking Based On Selection: 15
Susan Wagner
Metrics
H-Index
i10 Index
Citation Counts
15
20
1,275
Rankings
Ranking Based On Selection: 16
Ro McFarlane
Metrics
H-Index
i10 Index
Citation Counts
14
17
1,299
Public Health
One Health
Epidemiology
Food
Biodiversity
Rankings
Ranking Based On Selection: 17
Brenda Dyack
Metrics
H-Index
i10 Index
Citation Counts
14
14
1,211
environment
health
economics
art
recreation economics
Rankings
Ranking Based On Selection: 18
Andrew Bartholomaeus
Metrics
H-Index
i10 Index
Citation Counts
13
14
885
Rankings
Ranking Based On Selection: 19
Bruno de Oliveira Ferronato
Metrics
H-Index
i10 Index
Citation Counts
13
16
405
Rankings
Ranking Based On Selection: 20
Abu Barkat Ullah
Metrics
H-Index
i10 Index
Citation Counts
10
10
344
Cyber security & Safety
Artificial Intelligence
Evolutionary Optimization
Rankings
Ranking Based On Selection: 21
Rakhi Palit
Metrics
H-Index
i10 Index
Citation Counts
6
5
549
Ecology
Plant invasion
Physiological ecology