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
Luis Augusto Rocha
Materials
Biomaterials
Tribocorrosion
Tribo-corrosion
Surface functionalization
Metrics
H-Index
i10 Index
Citation
48
123
7,007
Ederio Dino Bidoia
Water Treatment
Environmental management
microbiology
electrochemistry and ecotoxicity
Metrics
H-Index
i10 Index
Citation
24
46
2,136

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* Rankings
Ranking Based On Selection: 12
Alexandre Marco Da Silva
Environmental Engineering
Environmental Sciences
Technologies for Environmental Monitoring and Management
Applied Ecology
Metrics
H-Index
i10 Index
Citation
20
40
2,348
Marcel Otavio Cerri
Bioprocess Engineering
bioreactor design
Scale-up bioreactors
Airlift bioreactors
pneumatic bioreactors
Metrics
H-Index
i10 Index
Citation
14
21
832
Guilherme Peixoto
Reatores contínuos para a produção biológica sequencial de hidrogênio
metano
ácidos orgânicos
Metrics
H-Index
i10 Index
Citation
9
9
606
Rankings
Ranking Based On Selection: 1
Luis Augusto Rocha
Metrics
H-Index
i10 Index
Citation Counts
48
123
7,007
Materials
Biomaterials
Tribocorrosion
Tribo-corrosion
Surface functionalization
Rankings
Ranking Based On Selection: 6
Márcia Cristina Bisinoti
Metrics
H-Index
i10 Index
Citation Counts
24
44
2,199
Rankings
Ranking Based On Selection: 7
Ederio Dino Bidoia
Metrics
H-Index
i10 Index
Citation Counts
24
46
2,136
Water Treatment
Environmental management
microbiology
electrochemistry and ecotoxicity
Rankings
Ranking Based On Selection: 9
Roberto Alves De Oliveira
Metrics
H-Index
i10 Index
Citation Counts
22
33
1,623
Anaerobic digestion
wastewater treatment
biogas
environmental sanitation
methane
Rankings
Ranking Based On Selection: 10
Rosane Gomes Battistelle
Metrics
H-Index
i10 Index
Citation Counts
21
35
1,928
Materiais alternativos
sustentabilidade
análise de ciclo de vida

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Rankings
Ranking Based On Selection: 12
Alexandre Marco Da Silva
Metrics
H-Index
i10 Index
Citation Counts
20
40
2,348
Environmental Engineering
Environmental Sciences
Technologies for Environmental Monitoring and Management
Applied Ecology
Rankings
Ranking Based On Selection: 16
Silvio Jorge Simoes
Metrics
H-Index
i10 Index
Citation Counts
15
21
909
Natural Disasters
Environmental Geology
Energy
Geospatial Analysis
GeoAI
Rankings
Ranking Based On Selection: 17
Marcel Otavio Cerri
Metrics
H-Index
i10 Index
Citation Counts
14
21
832
Bioprocess Engineering
bioreactor design
Scale-up bioreactors
Airlift bioreactors
pneumatic bioreactors
Rankings
Ranking Based On Selection: 18
Juno Gallego
Metrics
H-Index
i10 Index
Citation Counts
14
21
831
Rankings
Ranking Based On Selection: 19
Rosani De Castro
Metrics
H-Index
i10 Index
Citation Counts
14
16
912
Environmental Management
Sustainability
Sustainability in Higher Education
Rankings
Ranking Based On Selection: 21
Irineu De Brito Junior
Metrics
H-Index
i10 Index
Citation Counts
12
15
856
Desastres
Logística
Pesquisa Operacional
Logística Humanitária
Rankings
Ranking Based On Selection: 22
Guilherme Peixoto
Metrics
H-Index
i10 Index
Citation Counts
9
9
606
Reatores contínuos para a produção biológica sequencial de hidrogênio
metano
ácidos orgânicos