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
Jizhong Zhou
ecology
microbiology
genomic sciences
Metrics
H-Index
i10 Index
Citation
153
656
84,133
* Rankings
Ranking Based On Selection :2
Zoltan Ungvari
Biology of Aging
Vascular biology
Cerebromicrovascular aging
Geroscience
Metrics
H-Index
i10 Index
Citation
102
278
34,174
* Rankings
Ranking Based On Selection :4
Laurie J Vitt
Herpetology
Ecology
Behavior
Evolution
Metrics
H-Index
i10 Index
Citation
88
247
29,220
* Rankings
Ranking Based On Selection :5
Lee Krumholz
Microbial Ecology
Microbial Physiology
Metrics
H-Index
i10 Index
Citation
62
108
15,408
* Rankings
Ranking Based On Selection :6
Michael Mares
ecology
biogeography
systematics
evolution
conservation
Metrics
H-Index
i10 Index
Citation
56
119
9,006
* Rankings
Ranking Based On Selection :7
Ingo Schlupp
Evolutionary Biology
Ecology
Animal Behavior
Speciation
Metrics
H-Index
i10 Index
Citation
49
128
7,246
* Rankings
Ranking Based On Selection :8
Caryn C Vaughn
Stream Ecology
Conservation Biology
Freshwater Mussels
Ecosystem Services
Metrics
H-Index
i10 Index
Citation
48
88
9,840
* Rankings
Ranking Based On Selection :10
Lawrence J Weider
population/ecological genetics
evolutionary biology
Metrics
H-Index
i10 Index
Citation
43
85
8,456
* Rankings
Ranking Based On Selection :11
K David Hambright
Limnology
predator-prey interactions
microbial ecology
harmful algae
species invasions
Metrics
H-Index
i10 Index
Citation
43
70
5,100
* Rankings
Ranking Based On Selection :12
Daliang Ning
Microbial Ecology
Environmental Microbiology
Metrics
H-Index
i10 Index
Citation
42
72
10,539
* Rankings
Ranking Based On Selection :14
Jeffrey Kelly
Aeroecology
Animal Movement
Bird Migration
Metrics
H-Index
i10 Index
Citation
42
94
7,600
* Rankings
Ranking Based On Selection :15
Daniel J Becker
disease ecology
ecoimmunology
theoretical ecology
meta-analysis
macroecology
Metrics
H-Index
i10 Index
Citation
39
80
4,543
* Rankings
Ranking Based On Selection :16
Russell B. Doughty
Remote Sensing
Plant Biology
Forest Ecosystems
Land Use Land Cover Change
Metrics
H-Index
i10 Index
Citation
39
68
5,336
* Rankings
Ranking Based On Selection :19
Janette Wallis
Primatology
Conservation Biology
Reproduction
Metrics
H-Index
i10 Index
Citation
36
53
3,857
* Rankings
Ranking Based On Selection :20
Ricardo Betancur R
Ichthyology
Phylogenetics
Evolution
Systematics
Metrics
H-Index
i10 Index
Citation
32
61
5,355
* Rankings
Ranking Based On Selection :21
Ola Fincke
Evolutionary processes and conservation
Metrics
H-Index
i10 Index
Citation
31
47
3,404
* Rankings
Ranking Based On Selection :22
Boris Wawrik
microbiology
program management
soil microbiology
microbial ecology
microbial omics
Metrics
H-Index
i10 Index
Citation
29
37
4,092
* Rankings
Ranking Based On Selection :24
Elizabeth Bergey
Conservation biology
land snail ecology
aquatic invertebrates
algal ecology
Metrics
H-Index
i10 Index
Citation
28
47
2,338
* Rankings
Ranking Based On Selection :25
Rosemary Knapp
behavioral endocrinology
comparative physiology
Metrics
H-Index
i10 Index
Citation
28
38
2,484
* Rankings
Ranking Based On Selection :26
Roger G Harriswon
biotechnology
cancer therapy
bioseparations
progein purification
Metrics
H-Index
i10 Index
Citation
26
44
3,837
* Rankings
Ranking Based On Selection :27
Richard E Broughton
Molecular Evolution
Phylogenetics
Speciation/Hybridization
Mitochondiral Function
Metrics
H-Index
i10 Index
Citation
26
33
3,008
Tom Neeson
Freshwater Conservation
Water Sustainability
Rivers
Biodiversity
Metrics
H-Index
i10 Index
Citation
21
35
1,656
Randall S Hewes
Developmental Neurobiology
Neuroendocrinology
Metrics
H-Index
i10 Index
Citation
21
23
1,981
Jolyn Fernandes
mitochondria
toxicology
metabolomics
redox regulation
posttranslational modifications
Metrics
H-Index
i10 Index
Citation
20
23
1,043
Hayley C Lanier
Evolutionary Biology
Ecological Genomics
Phylogeography
Phylogenetics
Alpine Mammals
Metrics
H-Index
i10 Index
Citation
19
27
1,192
Kai Wang
Conservation
Evolution
Herpetology
Systematics
Taxonomy
Metrics
H-Index
i10 Index
Citation
17
26
805
Brad Brayfield
Disease ecology
animal navigation
medical anthropology
Metrics
H-Index
i10 Index
Citation
10
11
598
Philip K Morton
Entomology
Insect-Plant Interactions
Ecological Genetics/Genomics
Population Genetics/Genomics
Molecular Ecology
Metrics
H-Index
i10 Index
Citation
10
10
463
Kenneth R Hobson
entomology
insect behavior
forest health
forest entomology
Metrics
H-Index
i10 Index
Citation
10
10
617
Hande Acar Kirit
Antimicrobial Resistance
Gut Microbiomes
Genomics
Experimental Evolution
Microbiology
Metrics
H-Index
i10 Index
Citation
7
6
763
Mehrnoush Nourbakhsh-Rey
Molecular biology
Leptinergic energy homeostasis
Neuroendocrinology
Neuroethology
Weakly Electric Fish
Metrics
H-Index
i10 Index
Citation
3
1
38
Jennifer 'Jenna' Messick
Spatial Plant Ecology
Plant Phenology
Biogeography
Penstemon oklahomensis
Salvia azurea
Metrics
H-Index
i10 Index
Citation
2
0
13
William Oakley
Ecology
Animal Behavior
Conservation Biology
Experimental Biology
Landscape Ecology
Metrics
H-Index
i10 Index
Citation
1
1
18
Anjumala Herath
Molecular Biology
Molecular Microbiology
Anarobic Microbiology
Metrics
H-Index
i10 Index
Citation
1
1
14
Miranda K Theriot
global change biology
mammalogy
natural history collections
Metrics
H-Index
i10 Index
Citation
1
0
6
Rankings
Ranking Based On Selection: 1
Jizhong Zhou
Metrics
H-Index
i10 Index
Citation Counts
153
656
84,133
Rankings
Ranking Based On Selection: 2
Zoltan Ungvari
Metrics
H-Index
i10 Index
Citation Counts
102
278
34,174
Biology of Aging
Vascular biology
Cerebromicrovascular aging
Geroscience
Rankings
Ranking Based On Selection: 3
Arlan Richardson
Metrics
H-Index
i10 Index
Citation Counts
98
305
39,563
Rankings
Ranking Based On Selection: 4
Laurie J Vitt
Metrics
H-Index
i10 Index
Citation Counts
88
247
29,220
Rankings
Ranking Based On Selection: 5
Lee Krumholz
Metrics
H-Index
i10 Index
Citation Counts
62
108
15,408
Rankings
Ranking Based On Selection: 6
Michael Mares
Metrics
H-Index
i10 Index
Citation Counts
56
119
9,006
ecology
biogeography
systematics
evolution
conservation
Rankings
Ranking Based On Selection: 7
Ingo Schlupp
Metrics
H-Index
i10 Index
Citation Counts
49
128
7,246
Evolutionary Biology
Ecology
Animal Behavior
Speciation
Rankings
Ranking Based On Selection: 8
Caryn C Vaughn
Metrics
H-Index
i10 Index
Citation Counts
48
88
9,840
Stream Ecology
Conservation Biology
Freshwater Mussels
Ecosystem Services
Rankings
Ranking Based On Selection: 9
Heather R Mccarthy
Metrics
H-Index
i10 Index
Citation Counts
43
57
9,012
Rankings
Ranking Based On Selection: 10
Lawrence J Weider
Metrics
H-Index
i10 Index
Citation Counts
43
85
8,456
population/ecological genetics
evolutionary biology
Rankings
Ranking Based On Selection: 11
K David Hambright
Metrics
H-Index
i10 Index
Citation Counts
43
70
5,100
Limnology
predator-prey interactions
microbial ecology
harmful algae
species invasions
Rankings
Ranking Based On Selection: 12
Daliang Ning
Metrics
H-Index
i10 Index
Citation Counts
42
72
10,539
Microbial Ecology
Environmental Microbiology
Rankings
Ranking Based On Selection: 13
Michael D Weiser
Metrics
H-Index
i10 Index
Citation Counts
42
60
7,624
Rankings
Ranking Based On Selection: 14
Jeffrey Kelly
Metrics
H-Index
i10 Index
Citation Counts
42
94
7,600
Rankings
Ranking Based On Selection: 15
Daniel J Becker
Metrics
H-Index
i10 Index
Citation Counts
39
80
4,543
disease ecology
ecoimmunology
theoretical ecology
meta-analysis
macroecology
Rankings
Ranking Based On Selection: 16
Russell B. Doughty
Metrics
H-Index
i10 Index
Citation Counts
39
68
5,336
Remote Sensing
Plant Biology
Forest Ecosystems
Land Use Land Cover Change
Rankings
Ranking Based On Selection: 17
Geli Zhang
Metrics
H-Index
i10 Index
Citation Counts
38
60
7,368
Rankings
Ranking Based On Selection: 18
Gary Schnell
Metrics
H-Index
i10 Index
Citation Counts
37
77
3,719
Rankings
Ranking Based On Selection: 19
Janette Wallis
Metrics
H-Index
i10 Index
Citation Counts
36
53
3,857
Primatology
Conservation Biology
Reproduction
Rankings
Ranking Based On Selection: 20
Ricardo Betancur R
Metrics
H-Index
i10 Index
Citation Counts
32
61
5,355
Ichthyology
Phylogenetics
Evolution
Systematics
Rankings
Ranking Based On Selection: 21
Ola Fincke
Metrics
H-Index
i10 Index
Citation Counts
31
47
3,404
Rankings
Ranking Based On Selection: 22
Boris Wawrik
Metrics
H-Index
i10 Index
Citation Counts
29
37
4,092
microbiology
program management
soil microbiology
microbial ecology
microbial omics
Rankings
Ranking Based On Selection: 23
Daniel C Allen
Metrics
H-Index
i10 Index
Citation Counts
28
38
2,558
Rankings
Ranking Based On Selection: 24
Elizabeth Bergey
Metrics
H-Index
i10 Index
Citation Counts
28
47
2,338
Conservation biology
land snail ecology
aquatic invertebrates
algal ecology
Rankings
Ranking Based On Selection: 25
Rosemary Knapp
Metrics
H-Index
i10 Index
Citation Counts
28
38
2,484
behavioral endocrinology
comparative physiology
Rankings
Ranking Based On Selection: 26
Roger G Harriswon
Metrics
H-Index
i10 Index
Citation Counts
26
44
3,837
biotechnology
cancer therapy
bioseparations
progein purification
Rankings
Ranking Based On Selection: 27
Richard E Broughton
Metrics
H-Index
i10 Index
Citation Counts
26
33
3,008
Molecular Evolution
Phylogenetics
Speciation/Hybridization
Mitochondiral Function
Rankings
Ranking Based On Selection: 28
Tomoko Obara
Metrics
H-Index
i10 Index
Citation Counts
25
29
4,907
zebrafish
medaka
glomerulus
diabetes
ciliopathy
Rankings
Ranking Based On Selection: 29
Michael Markham
Metrics
H-Index
i10 Index
Citation Counts
25
30
2,141
Rankings
Ranking Based On Selection: 30
Gary Wellborn
Metrics
H-Index
i10 Index
Citation Counts
25
35
4,085
Rankings
Ranking Based On Selection: 31
Tom Neeson
Metrics
H-Index
i10 Index
Citation Counts
21
35
1,656
Freshwater Conservation
Water Sustainability
Rivers
Biodiversity
Rankings
Ranking Based On Selection: 32
Randall S Hewes
Metrics
H-Index
i10 Index
Citation Counts
21
23
1,981
Developmental Neurobiology
Neuroendocrinology
Rankings
Ranking Based On Selection: 33
Jolyn Fernandes
Metrics
H-Index
i10 Index
Citation Counts
20
23
1,043
mitochondria
toxicology
metabolomics
redox regulation
posttranslational modifications
Rankings
Ranking Based On Selection: 34
Jia Liang Kuang (邝嘉良)
Metrics
H-Index
i10 Index
Citation Counts
19
25
2,534
Rankings
Ranking Based On Selection: 35
Roger Astley
Metrics
H-Index
i10 Index
Citation Counts
19
24
877
Rankings
Ranking Based On Selection: 36
Hayley C Lanier
Metrics
H-Index
i10 Index
Citation Counts
19
27
1,192
Evolutionary Biology
Ecological Genomics
Phylogeography
Phylogenetics
Alpine Mammals
Rankings
Ranking Based On Selection: 37
Christian H Lemon
Metrics
H-Index
i10 Index
Citation Counts
19
25
1,154
Rankings
Ranking Based On Selection: 38
Kai Wang
Metrics
H-Index
i10 Index
Citation Counts
17
26
805
Conservation
Evolution
Herpetology
Systematics
Taxonomy
Rankings
Ranking Based On Selection: 39
Wenhui Xi
Metrics
H-Index
i10 Index
Citation Counts
16
21
1,159
Rankings
Ranking Based On Selection: 40
John P Masly
Metrics
H-Index
i10 Index
Citation Counts
14
16
1,987
Rankings
Ranking Based On Selection: 41
Sabira Mohammed
Metrics
H-Index
i10 Index
Citation Counts
13
19
877
Life sciences
Cancer Biology
Aging
Liver
Cell death
Rankings
Ranking Based On Selection: 42
Chris Butler
Metrics
H-Index
i10 Index
Citation Counts
13
16
1,138
Rankings
Ranking Based On Selection: 43
Gavin C Woodruff
Metrics
H-Index
i10 Index
Citation Counts
11
11
614
Rankings
Ranking Based On Selection: 44
Christopher Goodchild
Metrics
H-Index
i10 Index
Citation Counts
10
11
233
Ecotoxicology
ecological physiology
bioenergetics
Rankings
Ranking Based On Selection: 45
Brad Brayfield
Metrics
H-Index
i10 Index
Citation Counts
10
11
598
Disease ecology
animal navigation
medical anthropology
Rankings
Ranking Based On Selection: 46
Paul Sandberg
Metrics
H-Index
i10 Index
Citation Counts
10
10
665
Rankings
Ranking Based On Selection: 47
Philip K Morton
Metrics
H-Index
i10 Index
Citation Counts
10
10
463
Entomology
Insect-Plant Interactions
Ecological Genetics/Genomics
Population Genetics/Genomics
Molecular Ecology
Rankings
Ranking Based On Selection: 48
Kenneth R Hobson
Metrics
H-Index
i10 Index
Citation Counts
10
10
617
entomology
insect behavior
forest health
forest entomology
Rankings
Ranking Based On Selection: 49
Hande Acar Kirit
Metrics
H-Index
i10 Index
Citation Counts
7
6
763
Antimicrobial Resistance
Gut Microbiomes
Genomics
Experimental Evolution
Microbiology
Rankings
Ranking Based On Selection: 50
Md Golam Azom
Metrics
H-Index
i10 Index
Citation Counts
4
2
67
Rankings
Ranking Based On Selection: 51
Mehrnoush Nourbakhsh-Rey
Metrics
H-Index
i10 Index
Citation Counts
3
1
38
Molecular biology
Leptinergic energy homeostasis
Neuroendocrinology
Neuroethology
Weakly Electric Fish
Rankings
Ranking Based On Selection: 52
Molly C Simonis
Metrics
H-Index
i10 Index
Citation Counts
3
0
24
Rankings
Ranking Based On Selection: 53
Jennifer 'Jenna' Messick
Metrics
H-Index
i10 Index
Citation Counts
2
0
13
Spatial Plant Ecology
Plant Phenology
Biogeography
Penstemon oklahomensis
Salvia azurea
Rankings
Ranking Based On Selection: 54
William Oakley
Metrics
H-Index
i10 Index
Citation Counts
1
1
18
Ecology
Animal Behavior
Conservation Biology
Experimental Biology
Landscape Ecology
Rankings
Ranking Based On Selection: 55
Anjumala Herath
Metrics
H-Index
i10 Index
Citation Counts
1
1
14
Molecular Biology
Molecular Microbiology
Anarobic Microbiology
Rankings
Ranking Based On Selection: 56
Miranda K Theriot
Metrics
H-Index
i10 Index
Citation Counts
1
0
6
global change biology
mammalogy
natural history collections
Rankings
Ranking Based On Selection: 57
David Bass
Metrics
H-Index
i10 Index
Citation Counts
1
0
3