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" (870,053 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: 5
Richard S Ostfeld
Disease Ecology
Community Ecology
Biodiversity
Lyme Disease
Vector-borne Disease
Metrics
H-Index
i10 Index
Citation
93
232
40,978
* Rankings
Ranking Based On Selection: 7
David L Strayer
freshwater ecology
conservation biology
invasive species
Metrics
H-Index
i10 Index
Citation
79
158
28,578
* Rankings
Ranking Based On Selection: 8
Gary M Lovett
forest ecology
air pollution
climate change
invasive species
Metrics
H-Index
i10 Index
Citation
77
138
23,710

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

* Rankings
Ranking Based On Selection: 12
Shannon Ladeau
Disease Ecology
Global Change Ecology
Statistics
Metrics
H-Index
i10 Index
Citation
41
67
7,139
* Rankings
Ranking Based On Selection: 14
Barbara A Han
zoonotic disease
pathogen emergence
predictive analytics
machine learning
disease ecology
Metrics
H-Index
i10 Index
Citation
38
55
6,064
* Rankings
Ranking Based On Selection: 15
Christopher T Solomon
aquatic ecology
ecosystem ecology
fish and fisheries ecology
social-ecological systems
Metrics
H-Index
i10 Index
Citation
37
66
5,845
* Rankings
Ranking Based On Selection: 16
Neil Bettez
Ecosystem Ecology
Urban Ecology
Biogeochemistry
Metrics
H-Index
i10 Index
Citation
29
40
5,091
* Rankings
Ranking Based On Selection: 17
Winslow D Hansen
ecosystem ecology
natural disturbances
process-based simulation
and complex systems
Metrics
H-Index
i10 Index
Citation
25
35
2,148
* Rankings
Ranking Based On Selection: 18
Ilya R Fischhoff
movement ecology
disease ecology
conservation
machine learning
Metrics
H-Index
i10 Index
Citation
24
32
3,394
* Rankings
Ranking Based On Selection: 19
Jennifer Brentrup
Limnology
biogeochemistry
carbon
trophic interactions
Metrics
H-Index
i10 Index
Citation
19
26
1,691
* Rankings
Ranking Based On Selection: 20
Zbigniew J Grabowski
Conservation Biology
Infrastructure
Social Hydrology
Political Ecology
Metrics
H-Index
i10 Index
Citation
18
21
1,254
* Rankings
Ranking Based On Selection: 21
Victoria Kelly
Road Salt
Environmental Monitoring
Acid Rain
Stream Chemistry
Air Quality
Metrics
H-Index
i10 Index
Citation
18
21
3,323
Jazlynn Hall
ecosystem services
forest ecology
carbon sequestration
Metrics
H-Index
i10 Index
Citation
5
3
163
Ashley R Alred
science education research
environmental education
art and science integration
student decision-making about socioscientific issues
Metrics
H-Index
i10 Index
Citation
4
3
78
Rankings
Ranking Based On Selection: 1
Peter Groffman
Metrics
H-Index
i10 Index
Citation Counts
132
417
64,765
Rankings
Ranking Based On Selection: 2
Steward TA Pickett
Metrics
H-Index
i10 Index
Citation Counts
119
269
66,126
Rankings
Ranking Based On Selection: 3
William H Schlesinger
Metrics
H-Index
i10 Index
Citation Counts
117
272
90,571
Rankings
Ranking Based On Selection: 4
Jonathan J Cole
Metrics
H-Index
i10 Index
Citation Counts
114
237
58,197
Rankings
Ranking Based On Selection: 5
Richard S Ostfeld
Metrics
H-Index
i10 Index
Citation Counts
93
232
40,978
Disease Ecology
Community Ecology
Biodiversity
Lyme Disease
Vector-borne Disease
Rankings
Ranking Based On Selection: 6
Charles D Canham
Metrics
H-Index
i10 Index
Citation Counts
85
142
31,109
Rankings
Ranking Based On Selection: 7
David L Strayer
Metrics
H-Index
i10 Index
Citation Counts
79
158
28,578
freshwater ecology
conservation biology
invasive species
Rankings
Ranking Based On Selection: 8
Gary M Lovett
Metrics
H-Index
i10 Index
Citation Counts
77
138
23,710
forest ecology
air pollution
climate change
invasive species
Rankings
Ranking Based On Selection: 9
Kathleen C Weathers
Metrics
H-Index
i10 Index
Citation Counts
69
165
20,518
Rankings
Ranking Based On Selection: 10
Clive G Jones
Metrics
H-Index
i10 Index
Citation Counts
67
140
33,162

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

Rankings
Ranking Based On Selection: 11
Emma Rosi
Metrics
H-Index
i10 Index
Citation Counts
54
116
10,731
Rankings
Ranking Based On Selection: 12
Shannon Ladeau
Metrics
H-Index
i10 Index
Citation Counts
41
67
7,139
Disease Ecology
Global Change Ecology
Statistics
Rankings
Ranking Based On Selection: 13
Joshua R Ginsberg
Metrics
H-Index
i10 Index
Citation Counts
39
55
9,201
Rankings
Ranking Based On Selection: 14
Barbara A Han
Metrics
H-Index
i10 Index
Citation Counts
38
55
6,064
zoonotic disease
pathogen emergence
predictive analytics
machine learning
disease ecology
Rankings
Ranking Based On Selection: 15
Christopher T Solomon
Metrics
H-Index
i10 Index
Citation Counts
37
66
5,845
aquatic ecology
ecosystem ecology
fish and fisheries ecology
social-ecological systems
Rankings
Ranking Based On Selection: 16
Neil Bettez
Metrics
H-Index
i10 Index
Citation Counts
29
40
5,091
Ecosystem Ecology
Urban Ecology
Biogeochemistry
Rankings
Ranking Based On Selection: 17
Winslow D Hansen
Metrics
H-Index
i10 Index
Citation Counts
25
35
2,148
ecosystem ecology
natural disturbances
process-based simulation
and complex systems
Rankings
Ranking Based On Selection: 18
Ilya R Fischhoff
Metrics
H-Index
i10 Index
Citation Counts
24
32
3,394
movement ecology
disease ecology
conservation
machine learning
Rankings
Ranking Based On Selection: 19
Jennifer Brentrup
Metrics
H-Index
i10 Index
Citation Counts
19
26
1,691
Limnology
biogeochemistry
carbon
trophic interactions
Rankings
Ranking Based On Selection: 20
Zbigniew J Grabowski
Metrics
H-Index
i10 Index
Citation Counts
18
21
1,254
Conservation Biology
Infrastructure
Social Hydrology
Political Ecology
Rankings
Ranking Based On Selection: 21
Victoria Kelly
Metrics
H-Index
i10 Index
Citation Counts
18
21
3,323
Road Salt
Environmental Monitoring
Acid Rain
Stream Chemistry
Air Quality
Rankings
Ranking Based On Selection: 22
Adrian A Castellanos
Metrics
H-Index
i10 Index
Citation Counts
8
7
398
Rankings
Ranking Based On Selection: 23
Chelsey L Nieman
Metrics
H-Index
i10 Index
Citation Counts
8
7
204
Fisheries
Fish Ecology
Social-Ecological Systems
Rankings
Ranking Based On Selection: 25
Jazlynn Hall
Metrics
H-Index
i10 Index
Citation Counts
5
3
163
ecosystem services
forest ecology
carbon sequestration
Rankings
Ranking Based On Selection: 26
Ashley R Alred
Metrics
H-Index
i10 Index
Citation Counts
4
3
78
science education research
environmental education
art and science integration
student decision-making about socioscientific issues
Rankings
Ranking Based On Selection: 27
Tanaira Cullens
Metrics
H-Index
i10 Index
Citation Counts
1
0
1