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" (873,690 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
Lisandra Rocha Meneses
Biofuels and Biochemicals
Biomass
Biorefinery
Bioresource Recovery
Process Integration
Metrics
H-Index
i10 Index
Citation
16
21
663
* Rankings
Ranking Based On Selection: 2
Helen Tammert
Diversity
activity and distribution of bacteria in water column and sediment
molecular detection of potentially toxic cyanoba
Metrics
H-Index
i10 Index
Citation
11
11
302
* Rankings
Ranking Based On Selection: 3
Kristiina Mark
Lichenology
Evolutionary biology
Phylogenetics
Phycology
Microbial ecology
Metrics
H-Index
i10 Index
Citation
10
11
542
Raul Sampaio De Lima
environmental sciences
landscape planning
remote sensing
forest fire
wildfire
Metrics
H-Index
i10 Index
Citation
6
5
140
Hassan Yusuf Sulaiman
Plant-environment
ecophysiology
Biogenic volatile emissions
Chemical ecology
Metrics
H-Index
i10 Index
Citation
3
2
61
Rankings
Ranking Based On Selection: 1
Lisandra Rocha Meneses
Metrics
H-Index
i10 Index
Citation Counts
16
21
663
Biofuels and Biochemicals
Biomass
Biorefinery
Bioresource Recovery
Process Integration
Rankings
Ranking Based On Selection: 2
Helen Tammert
Metrics
H-Index
i10 Index
Citation Counts
11
11
302
Diversity
activity and distribution of bacteria in water column and sediment
molecular detection of potentially toxic cyanoba
Rankings
Ranking Based On Selection: 3
Kristiina Mark
Metrics
H-Index
i10 Index
Citation Counts
10
11
542
Lichenology
Evolutionary biology
Phylogenetics
Phycology
Microbial ecology
Rankings
Ranking Based On Selection: 4
Raul Sampaio De Lima
Metrics
H-Index
i10 Index
Citation Counts
6
5
140
environmental sciences
landscape planning
remote sensing
forest fire
wildfire
Rankings
Ranking Based On Selection: 5
Hassan Yusuf Sulaiman
Metrics
H-Index
i10 Index
Citation Counts
3
2
61
Plant-environment
ecophysiology
Biogenic volatile emissions
Chemical ecology