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
Fernando Z Vaz De Mello
taxonomia dos grupos recentes
biogeografia
Coleoptera Scarabaeoidea
Metrics
H-Index
i10 Index
Citation
42
153
7,828
* Rankings
Ranking Based On Selection: 6
Roberto Ruller
biotecnologia
biologia molecular
biocombustíveis
enzimas e Evolução Dirigida
Metrics
H-Index
i10 Index
Citation
33
60
3,142
* Rankings
Ranking Based On Selection: 9
Franco L Souza
biodiversity conservation
birds
freshwater turtles
urban ecology
ecosystems services
Metrics
H-Index
i10 Index
Citation
29
70
3,235

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* Rankings
Ranking Based On Selection: 11
Thiago Izzo
ecologia
formigas
interação inseto-planta
evolução
comunidades biológicas
Metrics
H-Index
i10 Index
Citation
28
60
3,069
* Rankings
Ranking Based On Selection: 12
Marcos Antônio Soares
Ecotoxicology
Microbial Ecology
Endophytes
Biotechnology
Bioremediation
Metrics
H-Index
i10 Index
Citation
26
54
2,235
* Rankings
Ranking Based On Selection: 13
Danilo Bandini Ribeiro
Ecologia
Restauração Ecológica
Indicadores ecológicos
Fragmentação Florestal
Degradação Florestal
Metrics
H-Index
i10 Index
Citation
26
39
3,840
* Rankings
Ranking Based On Selection: 14
Letícia Couto Garcia
Restoration Ecology
Conservation Biology
Plant Ecology
Applied Ecology
Intervention Ecology
Metrics
H-Index
i10 Index
Citation
26
44
2,836
* Rankings
Ranking Based On Selection: 15
Geraldo Alves Damasceno Junior
Ecologia de comunidades vegetais
conservação de recursos naturais
Metrics
H-Index
i10 Index
Citation
26
59
2,467
* Rankings
Ranking Based On Selection: 16
Andréa Cardoso Araujo
Plant-hummingbird interactions
community ecology
plant ecology
Metrics
H-Index
i10 Index
Citation
26
41
2,282
* Rankings
Ranking Based On Selection: 17
Jerry Penha
Ecologia da pesca
Ecologia e conservação de populações
Metrics
H-Index
i10 Index
Citation
26
53
2,259
* Rankings
Ranking Based On Selection: 18
Luiz Eduardo Roland Tavares
Parasitologia
Ecologia de comunidades parasitárias
Taxonomia
Metrics
H-Index
i10 Index
Citation
26
62
2,196
* Rankings
Ranking Based On Selection: 20
Diego José Santana
Zoology
Herpetology
Phylogeny
Phylogeography
Natural History
Metrics
H-Index
i10 Index
Citation
23
67
2,234
* Rankings
Ranking Based On Selection: 23
Dilermando Pereira Lima Junior
Ecologia
Evolução
Biogeografia
Conservação da Biodiversidade
Metrics
H-Index
i10 Index
Citation
21
36
2,192
* Rankings
Ranking Based On Selection: 26
Thadeu Sobral Souza
biogeography
macroecology
biodiversity shortfalls
Metrics
H-Index
i10 Index
Citation
20
36
1,365
* Rankings
Ranking Based On Selection: 27
Diogo Borges Provete
Eco-evolutionary dynamics
Phenotypic evolution
Metacommunity dynamics
Macroevolution
Amphibian biology
Metrics
H-Index
i10 Index
Citation
20
41
1,404
* Rankings
Ranking Based On Selection: 28
Edlley Pessoa
Species complex
Plant Systematics
Plant taxonomy
Orchidaceae
Phylogeny
Metrics
H-Index
i10 Index
Citation
19
36
2,760
* Rankings
Ranking Based On Selection: 30
Fernando R Carvalho
Sistemática
Taxonomia
Peixes de água doce
Região Neotropical
Metrics
H-Index
i10 Index
Citation
19
43
1,331
* Rankings
Ranking Based On Selection: 31
Edna Scremin Dias
Anatomia ecológica
macrófitas aquáticas
Biologia da conservação
Metrics
H-Index
i10 Index
Citation
19
38
1,385
* Rankings
Ranking Based On Selection: 33
Rudi Laps
Ecologia de Aves
Ecologia de Comunidades
Ornitologia
Biologia da Conservação
Metrics
H-Index
i10 Index
Citation
19
30
2,193
* Rankings
Ranking Based On Selection: 34
Vitor De Q Piacentini
Neotropical Ornithology
Taxonomy
Systematics
Biogeography
Zoological Nomenclature
Metrics
H-Index
i10 Index
Citation
18
33
2,253
* Rankings
Ranking Based On Selection: 38
José Rímoli
Zoologia
Etologia
Ecologia Comportamental e Biologia da Conservação
Metrics
H-Index
i10 Index
Citation
14
17
612
Luiz Fac Carvalho
Ecology
Parasite Ecology
Ecological Networks
Macroecology
Botany
Metrics
H-Index
i10 Index
Citation
9
9
284
Thiago Silva Teles
Community ecology
Landscape ecology
Metacommunity
Fragmentation
Fire Ecology
Metrics
H-Index
i10 Index
Citation
4
0
22
Colado, Mlz
Ecologia da Restauração
Restauração Ecológica
Biologia da Conservação
Ciência Cidadã
Metrics
H-Index
i10 Index
Citation
2
1
19
Carmen Br Zavala
Botânica
Biologia da Conservação
Ecologia
Restauração Ambiental
Educação Ambiental
Metrics
H-Index
i10 Index
Citation
2
1
19
Rankings
Ranking Based On Selection: 1
Fernando Z Vaz De Mello
Metrics
H-Index
i10 Index
Citation Counts
42
153
7,828
taxonomia dos grupos recentes
biogeografia
Coleoptera Scarabaeoidea
Rankings
Ranking Based On Selection: 2
Erich Fischer
Metrics
H-Index
i10 Index
Citation Counts
37
80
3,542
Rankings
Ranking Based On Selection: 3
Reinaldo Farias Paiva De Lucena
Metrics
H-Index
i10 Index
Citation Counts
35
95
7,870
Etnobiologia
Etnobotânica
Etnozoologia
Semiárido
Conservação
Rankings
Ranking Based On Selection: 5
Victor Lemes Landeiro
Metrics
H-Index
i10 Index
Citation Counts
33
43
3,658
Rankings
Ranking Based On Selection: 6
Roberto Ruller
Metrics
H-Index
i10 Index
Citation Counts
33
60
3,142
biotecnologia
biologia molecular
biocombustíveis
enzimas e Evolução Dirigida
Rankings
Ranking Based On Selection: 7
Gustavo Graciolli
Metrics
H-Index
i10 Index
Citation Counts
33
80
2,950
entomologia
biogeografia
evolução
parasitismo
Rankings
Ranking Based On Selection: 8
Christine Strussmann
Metrics
H-Index
i10 Index
Citation Counts
30
87
4,478
Taxonomia e Ecologia de Anfíbios e Répteis
Rankings
Ranking Based On Selection: 9
Franco L Souza
Metrics
H-Index
i10 Index
Citation Counts
29
70
3,235
biodiversity conservation
birds
freshwater turtles
urban ecology
ecosystems services
Rankings
Ranking Based On Selection: 10
Domingos Rodrigues|Domingos de Jesus Rodrigues
Metrics
H-Index
i10 Index
Citation Counts
29
67
2,947

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
Thiago Izzo
Metrics
H-Index
i10 Index
Citation Counts
28
60
3,069
ecologia
formigas
interação inseto-planta
evolução
comunidades biológicas
Rankings
Ranking Based On Selection: 12
Marcos Antônio Soares
Metrics
H-Index
i10 Index
Citation Counts
26
54
2,235
Ecotoxicology
Microbial Ecology
Endophytes
Biotechnology
Bioremediation
Rankings
Ranking Based On Selection: 13
Danilo Bandini Ribeiro
Metrics
H-Index
i10 Index
Citation Counts
26
39
3,840
Ecologia
Restauração Ecológica
Indicadores ecológicos
Fragmentação Florestal
Degradação Florestal
Rankings
Ranking Based On Selection: 14
Letícia Couto Garcia
Metrics
H-Index
i10 Index
Citation Counts
26
44
2,836
Restoration Ecology
Conservation Biology
Plant Ecology
Applied Ecology
Intervention Ecology
Rankings
Ranking Based On Selection: 15
Geraldo Alves Damasceno Junior
Metrics
H-Index
i10 Index
Citation Counts
26
59
2,467
Ecologia de comunidades vegetais
conservação de recursos naturais
Rankings
Ranking Based On Selection: 16
Andréa Cardoso Araujo
Metrics
H-Index
i10 Index
Citation Counts
26
41
2,282
Plant-hummingbird interactions
community ecology
plant ecology
Rankings
Ranking Based On Selection: 17
Jerry Penha
Metrics
H-Index
i10 Index
Citation Counts
26
53
2,259
Ecologia da pesca
Ecologia e conservação de populações
Rankings
Ranking Based On Selection: 18
Luiz Eduardo Roland Tavares
Metrics
H-Index
i10 Index
Citation Counts
26
62
2,196
Parasitologia
Ecologia de comunidades parasitárias
Taxonomia
Rankings
Ranking Based On Selection: 19
Paulo Cesar Venere
Metrics
H-Index
i10 Index
Citation Counts
26
45
1,793
Rankings
Ranking Based On Selection: 20
Diego José Santana
Metrics
H-Index
i10 Index
Citation Counts
23
67
2,234
Zoology
Herpetology
Phylogeny
Phylogeography
Natural History
Rankings
Ranking Based On Selection: 21
Francisco De Almeida Lobo
Metrics
H-Index
i10 Index
Citation Counts
23
37
1,991
Rankings
Ranking Based On Selection: 22
Mauricio Almeida Gomes
Metrics
H-Index
i10 Index
Citation Counts
23
39
1,654
Landscape Ecology
Conservation Biology
Community Ecology
Rankings
Ranking Based On Selection: 23
Dilermando Pereira Lima Junior
Metrics
H-Index
i10 Index
Citation Counts
21
36
2,192
Ecologia
Evolução
Biogeografia
Conservação da Biodiversidade
Rankings
Ranking Based On Selection: 24
Acacio Aparecido Navarrete
Metrics
H-Index
i10 Index
Citation Counts
21
28
2,821
Rankings
Ranking Based On Selection: 25
Vanda Lucia Ferreira
Metrics
H-Index
i10 Index
Citation Counts
21
44
1,360
Rankings
Ranking Based On Selection: 26
Thadeu Sobral Souza
Metrics
H-Index
i10 Index
Citation Counts
20
36
1,365
biogeography
macroecology
biodiversity shortfalls
Rankings
Ranking Based On Selection: 27
Diogo Borges Provete
Metrics
H-Index
i10 Index
Citation Counts
20
41
1,404
Eco-evolutionary dynamics
Phenotypic evolution
Metacommunity dynamics
Macroevolution
Amphibian biology
Rankings
Ranking Based On Selection: 28
Edlley Pessoa
Metrics
H-Index
i10 Index
Citation Counts
19
36
2,760
Species complex
Plant Systematics
Plant taxonomy
Orchidaceae
Phylogeny
Rankings
Ranking Based On Selection: 29
Priscila Lemes
Metrics
H-Index
i10 Index
Citation Counts
19
25
1,484
Rankings
Ranking Based On Selection: 30
Fernando R Carvalho
Metrics
H-Index
i10 Index
Citation Counts
19
43
1,331
Sistemática
Taxonomia
Peixes de água doce
Região Neotropical
Rankings
Ranking Based On Selection: 31
Edna Scremin Dias
Metrics
H-Index
i10 Index
Citation Counts
19
38
1,385
Anatomia ecológica
macrófitas aquáticas
Biologia da conservação
Rankings
Ranking Based On Selection: 32
Adriano Afonso Spielmann
Metrics
H-Index
i10 Index
Citation Counts
19
34
1,424
Rankings
Ranking Based On Selection: 33
Rudi Laps
Metrics
H-Index
i10 Index
Citation Counts
19
30
2,193
Ecologia de Aves
Ecologia de Comunidades
Ornitologia
Biologia da Conservação
Rankings
Ranking Based On Selection: 34
Vitor De Q Piacentini
Metrics
H-Index
i10 Index
Citation Counts
18
33
2,253
Neotropical Ornithology
Taxonomy
Systematics
Biogeography
Zoological Nomenclature
Rankings
Ranking Based On Selection: 35
Flávio Macedo Alves
Metrics
H-Index
i10 Index
Citation Counts
17
26
2,418
Rankings
Ranking Based On Selection: 37
Simoni Loverde Oliveira
Metrics
H-Index
i10 Index
Citation Counts
14
20
674
Rankings
Ranking Based On Selection: 38
José Rímoli
Metrics
H-Index
i10 Index
Citation Counts
14
17
612
Zoologia
Etologia
Ecologia Comportamental e Biologia da Conservação
Rankings
Ranking Based On Selection: 39
Marcia Cristina Pascotto
Metrics
H-Index
i10 Index
Citation Counts
10
11
286
Rankings
Ranking Based On Selection: 40
Luiz Fac Carvalho
Metrics
H-Index
i10 Index
Citation Counts
9
9
284
Ecology
Parasite Ecology
Ecological Networks
Macroecology
Botany
Rankings
Ranking Based On Selection: 41
Vanessa De Carvalho Harthman
Metrics
H-Index
i10 Index
Citation Counts
4
1
53
Botânica
Anatomia vegetal
anatomia aplicada
ecologia aplicada
Rankings
Ranking Based On Selection: 42
Thiago Silva Teles
Metrics
H-Index
i10 Index
Citation Counts
4
0
22
Community ecology
Landscape ecology
Metacommunity
Fragmentation
Fire Ecology
Rankings
Ranking Based On Selection: 43
Thomaz Ricardo Favreto Sinani
Metrics
H-Index
i10 Index
Citation Counts
3
2
34
Rankings
Ranking Based On Selection: 44
Colado, Mlz
Metrics
H-Index
i10 Index
Citation Counts
2
1
19
Ecologia da Restauração
Restauração Ecológica
Biologia da Conservação
Ciência Cidadã
Rankings
Ranking Based On Selection: 45
Carmen Br Zavala
Metrics
H-Index
i10 Index
Citation Counts
2
1
19
Botânica
Biologia da Conservação
Ecologia
Restauração Ambiental
Educação Ambiental
Rankings
Ranking Based On Selection: 46
Dainezi, Dis
Metrics
H-Index
i10 Index
Citation Counts
1
0
8
Rankings
Ranking Based On Selection: 47
Daniele Pereira Rodrigues
Metrics
H-Index
i10 Index
Citation Counts
1
0
7
Rankings
Ranking Based On Selection: 48
Jéssica Martins Gonçalves
Metrics
H-Index
i10 Index
Citation Counts
1
0
4
Botânica
Plant Taxonomy
Plant Phylogeny
Onagraceae
Myrtales
Rankings
Ranking Based On Selection: 49
Diego Jose Santana Silva
Metrics
H-Index
i10 Index
Citation Counts
1
0
2
Herpetology
Systematics
Biogeography
Evolution
Taxonomy