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: 1
Steffen Loft
Air pollution
oxidative stress
inflammation
particle toxicology
environmental epidemiology
Metrics
H-Index
i10 Index
Citation
113
427
43,442
* Rankings
Ranking Based On Selection: 5
Youn Hee Lim
Environmental Epidemiology
Biostatistics
Climate Change
Air pollution
Public Health
Metrics
H-Index
i10 Index
Citation
48
143
7,196
* Rankings
Ranking Based On Selection: 6
David Nogués Bravo
macroecology
biogeography
paleoecology
climate change
physical geography
Metrics
H-Index
i10 Index
Citation
47
80
16,409
* Rankings
Ranking Based On Selection: 7
Kjeld Rasmussen
Environment
Climate change
natural resource management
remote sensing
Metrics
H-Index
i10 Index
Citation
40
77
10,980
* Rankings
Ranking Based On Selection: 8
Kristian Koefoed Brandt
microbial ecology
microbiology
environmental science
ecotoxicology
Metrics
H-Index
i10 Index
Citation
39
70
7,406
* Rankings
Ranking Based On Selection: 9
Tom Cole Hunter
Air pollution
Greenness
Noise
Physical activity (Environmental health)
Metrics
H-Index
i10 Index
Citation
36
63
5,188

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* Rankings
Ranking Based On Selection: 11
Jens Hoff
sustainability and climate change governance
user and citizen participation
political participation
Metrics
H-Index
i10 Index
Citation
18
39
1,587
* Rankings
Ranking Based On Selection: 12
Ingmar Lippert
Environmental Sociology
Sociology of Science and Technology
Sociology of Data
Management
Environments and (Un)Sustainabiliti
Metrics
H-Index
i10 Index
Citation
16
18
834
Henryk Straube
LC-MS
Biochemistry
Metabolomics
Specialized Metabolism
Nucleotides
Metrics
H-Index
i10 Index
Citation
7
6
224
Parvathy Krishnan
Plant-pathogen interaction
Quantitative Genetics
Gene expression regulation
Evolution
Adaptation
Metrics
H-Index
i10 Index
Citation
2
2
123
Rankings
Ranking Based On Selection: 1
Steffen Loft
Metrics
H-Index
i10 Index
Citation Counts
113
427
43,442
Air pollution
oxidative stress
inflammation
particle toxicology
environmental epidemiology
Rankings
Ranking Based On Selection: 3
Jens Hesselbjerg Christensen
Metrics
H-Index
i10 Index
Citation Counts
71
148
61,644
Rankings
Ranking Based On Selection: 4
Bo Elberling
Metrics
H-Index
i10 Index
Citation Counts
69
213
19,797
Rankings
Ranking Based On Selection: 5
Youn Hee Lim
Metrics
H-Index
i10 Index
Citation Counts
48
143
7,196
Environmental Epidemiology
Biostatistics
Climate Change
Air pollution
Public Health
Rankings
Ranking Based On Selection: 6
David Nogués Bravo
Metrics
H-Index
i10 Index
Citation Counts
47
80
16,409
macroecology
biogeography
paleoecology
climate change
physical geography
Rankings
Ranking Based On Selection: 7
Kjeld Rasmussen
Metrics
H-Index
i10 Index
Citation Counts
40
77
10,980
Environment
Climate change
natural resource management
remote sensing
Rankings
Ranking Based On Selection: 8
Kristian Koefoed Brandt
Metrics
H-Index
i10 Index
Citation Counts
39
70
7,406
microbial ecology
microbiology
environmental science
ecotoxicology
Rankings
Ranking Based On Selection: 9
Tom Cole Hunter
Metrics
H-Index
i10 Index
Citation Counts
36
63
5,188
Air pollution
Greenness
Noise
Physical activity (Environmental health)

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
Jens Hoff
Metrics
H-Index
i10 Index
Citation Counts
18
39
1,587
sustainability and climate change governance
user and citizen participation
political participation
Rankings
Ranking Based On Selection: 12
Ingmar Lippert
Metrics
H-Index
i10 Index
Citation Counts
16
18
834
Environmental Sociology
Sociology of Science and Technology
Sociology of Data
Management
Environments and (Un)Sustainabiliti
Rankings
Ranking Based On Selection: 13
Henryk Straube
Metrics
H-Index
i10 Index
Citation Counts
7
6
224
LC-MS
Biochemistry
Metabolomics
Specialized Metabolism
Nucleotides
Rankings
Ranking Based On Selection: 15
Parvathy Krishnan
Metrics
H-Index
i10 Index
Citation Counts
2
2
123
Plant-pathogen interaction
Quantitative Genetics
Gene expression regulation
Evolution
Adaptation