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" (910,673 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: 2
Charles B Fenster
Evolutionary Biology
Evolutionary and Conservation Genetics
Floral Evolution
Pollinators and Sustainable Agriculture
Metrics
H-Index
i10 Index
Citation
59
93
12,752
* Rankings
Ranking Based On Selection: 3
Carter Johnson
Ecology
Wetlands
Rivers
seed dispersal
alternative agriculture
Metrics
H-Index
i10 Index
Citation
52
85
9,754
* Rankings
Ranking Based On Selection: 4
Michele R Dudash
Population Biology
Evolutionary Ecology
Reproductive Biology
Conservation Genetics
Plant Pollinator Interactions
Metrics
H-Index
i10 Index
Citation
41
64
12,333
Roshan Kumar
Cancer Biology
Environmental Microbiology & Gut Ecology
Metrics
H-Index
i10 Index
Citation
21
29
1,171
* Rankings
Ranking Based On Selection: 10
Madhav Nepal
Plant Molecular systematics
Bioinformatics
Genomics/genetics & STEM Education
Metrics
H-Index
i10 Index
Citation
20
32
1,447

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* Rankings
Ranking Based On Selection: 11
Patricia S Johnson
range science
ecology
plant-animal interactions
grazing management
Metrics
H-Index
i10 Index
Citation
19
28
1,394
* Rankings
Ranking Based On Selection: 12
Nicholas C Butzin
Molecular and cell biology
Microbiology
Synthetic biology
Metabolic engineering
Quantitative biology
Metrics
H-Index
i10 Index
Citation
14
15
432
* Rankings
Ranking Based On Selection: 13
Tammy L Wilson
CRU Program
Landscape Ecology
Population Ecology
Spatial Ecology
Biometrics
Metrics
H-Index
i10 Index
Citation
12
14
439
Rachel Short
community ecology
conservation paleontology
informal STEM education
Metrics
H-Index
i10 Index
Citation
8
8
172
Greg Heiberger
Social Media in Higher Education
Student Engagement
Student Success
Student Retention
First Year
Metrics
H-Index
i10 Index
Citation
6
6
4,166
Rankings
Ranking Based On Selection: 1
Carol A Johnston
Metrics
H-Index
i10 Index
Citation Counts
59
98
17,827
Wetland Ecology
Landscape Ecology
Soil Science
Rankings
Ranking Based On Selection: 2
Charles B Fenster
Metrics
H-Index
i10 Index
Citation Counts
59
93
12,752
Evolutionary Biology
Evolutionary and Conservation Genetics
Floral Evolution
Pollinators and Sustainable Agriculture
Rankings
Ranking Based On Selection: 3
Carter Johnson
Metrics
H-Index
i10 Index
Citation Counts
52
85
9,754
Ecology
Wetlands
Rivers
seed dispersal
alternative agriculture
Rankings
Ranking Based On Selection: 4
Michele R Dudash
Metrics
H-Index
i10 Index
Citation Counts
41
64
12,333
Population Biology
Evolutionary Ecology
Reproductive Biology
Conservation Genetics
Plant Pollinator Interactions
Rankings
Ranking Based On Selection: 5
Jonathan Jenks
Metrics
H-Index
i10 Index
Citation Counts
40
122
5,252
Rankings
Ranking Based On Selection: 6
Dan Wang
Metrics
H-Index
i10 Index
Citation Counts
36
86
4,340
Rankings
Ranking Based On Selection: 7
Steve Chipps
Metrics
H-Index
i10 Index
Citation Counts
29
70
3,106
Rankings
Ranking Based On Selection: 8
Alexander J Smart
Metrics
H-Index
i10 Index
Citation Counts
22
43
1,806
Rankings
Ranking Based On Selection: 9
Roshan Kumar
Metrics
H-Index
i10 Index
Citation Counts
21
29
1,171
Cancer Biology
Environmental Microbiology & Gut Ecology
Rankings
Ranking Based On Selection: 10
Madhav Nepal
Metrics
H-Index
i10 Index
Citation Counts
20
32
1,447
Plant Molecular systematics
Bioinformatics
Genomics/genetics & STEM Education

Maximize your institution's potential with our 360° Institutional Analysis Subscription and Institutional Exclusive Package, offering comprehensive insights and strategic advantages.

Rankings
Ranking Based On Selection: 11
Patricia S Johnson
Metrics
H-Index
i10 Index
Citation Counts
19
28
1,394
range science
ecology
plant-animal interactions
grazing management
Rankings
Ranking Based On Selection: 12
Nicholas C Butzin
Metrics
H-Index
i10 Index
Citation Counts
14
15
432
Molecular and cell biology
Microbiology
Synthetic biology
Metabolic engineering
Quantitative biology
Rankings
Ranking Based On Selection: 13
Tammy L Wilson
Metrics
H-Index
i10 Index
Citation Counts
12
14
439
CRU Program
Landscape Ecology
Population Ecology
Spatial Ecology
Biometrics
Rankings
Ranking Based On Selection: 14
Maribeth Latvis
Metrics
H-Index
i10 Index
Citation Counts
10
10
1,865
Rankings
Ranking Based On Selection: 15
Rachel Short
Metrics
H-Index
i10 Index
Citation Counts
8
8
172
community ecology
conservation paleontology
informal STEM education
Rankings
Ranking Based On Selection: 16
Amanda E Cheeseman
Metrics
H-Index
i10 Index
Citation Counts
8
6
147
Wildlife management
spatial ecology
population genetics
Rankings
Ranking Based On Selection: 17
Greg Heiberger
Metrics
H-Index
i10 Index
Citation Counts
6
6
4,166
Social Media in Higher Education
Student Engagement
Student Success
Student Retention
First Year
Rankings
Ranking Based On Selection: 18
Santosh Thapa
Metrics
H-Index
i10 Index
Citation Counts
2
1
19
Rankings
Ranking Based On Selection: 19
Bret Lang
Metrics
H-Index
i10 Index
Citation Counts
2
0
14
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