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" (888,752 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
Jessica Leahy
human dimensions of natural resources
conservation social science
parks and protected areas
Metrics
H-Index
i10 Index
Citation
29
60
3,115
John Daigle
Human Dimensions of Natural Resources and Climate Change
Alternative Transportation in National Parks
Recreation Ecology
Metrics
H-Index
i10 Index
Citation
24
34
2,691
Mark D Brewer
political parties and elections
voting behavior
religion and politics
American founding era
Metrics
H-Index
i10 Index
Citation
17
23
1,937
James W Warhola
Comparative Politics
Politics and Religion
Politics and Ethnicity
Metrics
H-Index
i10 Index
Citation
13
17
482
Maureen Ebben
technology
pedagogy
gender
media and communication theory
Metrics
H-Index
i10 Index
Citation
8
8
750
James P Melcher
American Politics and Elections
New England Politics
Midwestern Politics
Presidency
Metrics
H-Index
i10 Index
Citation
5
1
41
Asm Mohaiminul Islam
Traffic Safety
Traffic Signal
Bayesian Statistical Modeling
Transportation Planning
Metrics
H-Index
i10 Index
Citation
3
2
40

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Amir Shahlaeegilan
Transportation Safety
Data science
Statistical Modeling
Machine Learning
Metrics
H-Index
i10 Index
Citation
2
2
28
Jhan Kevin Gil Marin
Freight Transportation Modeling
Transportation Engineering
Transportation Safety
Metrics
H-Index
i10 Index
Citation
2
0
7
Rankings
Ranking Based On Selection: 1
Jessica Leahy
Metrics
H-Index
i10 Index
Citation Counts
29
60
3,115
human dimensions of natural resources
conservation social science
parks and protected areas
Rankings
Ranking Based On Selection: 2
John Daigle
Metrics
H-Index
i10 Index
Citation Counts
24
34
2,691
Human Dimensions of Natural Resources and Climate Change
Alternative Transportation in National Parks
Recreation Ecology
Rankings
Ranking Based On Selection: 3
Mark D Brewer
Metrics
H-Index
i10 Index
Citation Counts
17
23
1,937
political parties and elections
voting behavior
religion and politics
American founding era
Rankings
Ranking Based On Selection: 4
James Bird
Metrics
H-Index
i10 Index
Citation Counts
14
14
3,210
Rankings
Ranking Based On Selection: 5
James W Warhola
Metrics
H-Index
i10 Index
Citation Counts
13
17
482
Comparative Politics
Politics and Religion
Politics and Ethnicity
Rankings
Ranking Based On Selection: 6
Maureen Ebben
Metrics
H-Index
i10 Index
Citation Counts
8
8
750
technology
pedagogy
gender
media and communication theory
Rankings
Ranking Based On Selection: 7
James P Melcher
Metrics
H-Index
i10 Index
Citation Counts
5
1
41
American Politics and Elections
New England Politics
Midwestern Politics
Presidency
Rankings
Ranking Based On Selection: 8
Cason Snow
Metrics
H-Index
i10 Index
Citation Counts
4
2
55
Libraries
Cataloging
Preservation
Role playing games
Rankings
Ranking Based On Selection: 9
Asm Mohaiminul Islam
Metrics
H-Index
i10 Index
Citation Counts
3
2
40
Traffic Safety
Traffic Signal
Bayesian Statistical Modeling
Transportation Planning

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: 12
Amir Shahlaeegilan
Metrics
H-Index
i10 Index
Citation Counts
2
2
28
Transportation Safety
Data science
Statistical Modeling
Machine Learning
Rankings
Ranking Based On Selection: 13
Anastasia Weigle
Metrics
H-Index
i10 Index
Citation Counts
2
1
23
Archival Science
Materials Experience
cultural materials
Rankings
Ranking Based On Selection: 14
Juan Aviles Ordonez
Metrics
H-Index
i10 Index
Citation Counts
2
0
11
Rankings
Ranking Based On Selection: 15
Jhan Kevin Gil Marin
Metrics
H-Index
i10 Index
Citation Counts
2
0
7
Freight Transportation Modeling
Transportation Engineering
Transportation Safety
Rankings
Ranking Based On Selection: 16
Deborah Rollins
Metrics
H-Index
i10 Index
Citation Counts
1
0
2