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" (873,864 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 :2
Guarino Rinaldi Colli
Herpetology
Biogeography
Ecology
Conservation
Systematics
Metrics
H-Index
i10 Index
Citation
62
177
14,789
* Rankings
Ranking Based On Selection :5
Ricardo B Machado
Ecologia de Paisagens
Biologia da Conservação
Ornitologia
Metrics
H-Index
i10 Index
Citation
42
86
8,177
* Rankings
Ranking Based On Selection :6
Emerson Monteiro Vieira
Ecologia
Mastozoologia
Zoologia
Biologia da conservação
Metrics
H-Index
i10 Index
Citation
41
92
5,334
* Rankings
Ranking Based On Selection :8
Rodrigo Gurgel Goncalves
entomologia médica
protozoologia
vigilância de vetores
Metrics
H-Index
i10 Index
Citation
37
88
3,956
* Rankings
Ranking Based On Selection :9
Anamélia Lorenzetti Bocca
imunologia
biologia celular
microbiologia
micologia
Metrics
H-Index
i10 Index
Citation
35
76
3,558
* Rankings
Ranking Based On Selection :11
John Du Vall Hay
plant population dynamics
biological invasion
Metrics
H-Index
i10 Index
Citation
35
77
4,358
* Rankings
Ranking Based On Selection :16
Regina Macedo
behavioral ecology
animal behavior
conservation
ornithology
Metrics
H-Index
i10 Index
Citation
30
67
2,500
* Rankings
Ranking Based On Selection :17
Reuber Brandão
Biologia da Conservação
Zoologia
Herpetologia
Unidades de Conservação
Metrics
H-Index
i10 Index
Citation
27
60
2,947
* Rankings
Ranking Based On Selection :19
Ludgero Cardoso Galli Vieira
Ecologia de comunidades
Limnologia
Ecologia do Zooplâncton
Manejo e conservação de recursos naturais
Modelagem ambiental
Metrics
H-Index
i10 Index
Citation
24
47
1,986
* Rankings
Ranking Based On Selection :21
Paulo Camara
botany
plant systematics
phylogeny
bryophytes
biogeography
Metrics
H-Index
i10 Index
Citation
23
59
1,875
* Rankings
Ranking Based On Selection :23
Murilo Sversut Dias
Ecology
Macroecology
Comunity ecology
Freshwater fish biology
Metrics
H-Index
i10 Index
Citation
22
32
1,833
* Rankings
Ranking Based On Selection :24
Armando Caldeira Pires
Industrial Ecology
Life Cycle Assessment
Biofuels
Biorefinery
Metrics
H-Index
i10 Index
Citation
22
39
1,553
* Rankings
Ranking Based On Selection :25
Paulo Salles
Artificial Intelligence
Qualitative Resoning
Ecological Modelling
Science Education
Metrics
H-Index
i10 Index
Citation
21
33
1,230
* Rankings
Ranking Based On Selection :26
Maria Cristina Oliveira
Ecologia de comunidades
Ecologia de populações
Restauração de Área Degradada
Produção de Mudas
Metrics
H-Index
i10 Index
Citation
20
49
1,662
* Rankings
Ranking Based On Selection :27
Cristina Yumie Aoki Inoue
global environmental politics/governance
development assistance
biodiversity
transnational networks
active and contemplative learning
Metrics
H-Index
i10 Index
Citation
19
30
1,382
* Rankings
Ranking Based On Selection :28
Pedro Hb Togni|Pedro Henrique Brum Togni
Insect Ecology
Conservation Biological Control
Agroecology
Insect-Plant Interaction
Predators
Metrics
H-Index
i10 Index
Citation
19
28
903
* Rankings
Ranking Based On Selection :33
André Cunha
Conservação da Biodiversidade
Áreas Protegidas
Mamíferos médios e grandes
Espécies Ameaçadas
Turismo de Natureza
Metrics
H-Index
i10 Index
Citation
17
26
912
* Rankings
Ranking Based On Selection :34
Letícia Gomes
Fire Ecology
Fire Management
Ecosystems
Prescribed fire
Cerrado
Metrics
H-Index
i10 Index
Citation
16
21
827
* Rankings
Ranking Based On Selection :35
Daniel C Moreira
Biochemical Adaptation
Metabolism
Hibernation
Hypoxia
Oxidative Stress
Metrics
H-Index
i10 Index
Citation
16
23
1,233
* Rankings
Ranking Based On Selection :36
Sheila Nascimento
Zootecnia
Bioclimatologia
Comportamento
Bem-Estar Animal
Metrics
H-Index
i10 Index
Citation
16
21
999
* Rankings
Ranking Based On Selection :37
Silva Andrea Leme
Desenvolvimento rural
sociedade e natureza
governança ambiental
ecologia aplicada
Metrics
H-Index
i10 Index
Citation
15
19
1,094
* Rankings
Ranking Based On Selection :41
Eduardo RM Barbosa
Conservation Biology
Plant Ecology
Plant ecophysiology
Metrics
H-Index
i10 Index
Citation
13
14
692
* Rankings
Ranking Based On Selection :42
Maria Florencia Breitman
Herpetology
Evolution
Biodiversity
Phylogeography
Phylogenetics
Metrics
H-Index
i10 Index
Citation
12
14
694
Diogo Martins De Sá
Bioquímica
Biologia Molecular
Biofísica
Bioinformática
Metrics
H-Index
i10 Index
Citation
7
7
169
Carla Albuquerque De Souza
Ecologia de comunidades
ecologia de populações
comunidade zooplanctônica.
Metrics
H-Index
i10 Index
Citation
7
6
155
Danilo Gustavo Rodrigues De Oliveira
Biologia da conservação
comportamento animal
neurociências
neurofarmacologia
Metrics
H-Index
i10 Index
Citation
5
4
113
Anabele Stefânia Gomes
Ecofisiologia
Interações entre espécies
competição
ilhas
Metrics
H-Index
i10 Index
Citation
5
3
178
Bruno Corrêa
Zoologia
Ecologia
Morfometria Geométrica
Anatomia Comparada
Metrics
H-Index
i10 Index
Citation
3
1
26
Laís Ribeiro
ecologia
evolução
invasão biológica
conservação
Metrics
H-Index
i10 Index
Citation
3
1
25
Daniel Martins Dos Santos
Vertebrate paleontology
Ontogeny
Crocodylomorpha
Baurusuchidae
Stromatolite paleobiology
Metrics
H-Index
i10 Index
Citation
3
0
14
Darlan Quinta
Ecotoxicologia
Ecologia
Educação ambiental e Ensino de Ciências
Metrics
H-Index
i10 Index
Citation
2
2
84
Rankings
Ranking Based On Selection: 1
Mercedes Bustamante
Metrics
H-Index
i10 Index
Citation Counts
71
160
26,507
Rankings
Ranking Based On Selection: 2
Guarino Rinaldi Colli
Metrics
H-Index
i10 Index
Citation Counts
62
177
14,789
Herpetology
Biogeography
Ecology
Conservation
Systematics
Rankings
Ranking Based On Selection: 3
Miguel Ângelo Marini
Metrics
H-Index
i10 Index
Citation Counts
46
127
6,535
Rankings
Ranking Based On Selection: 4
Haridasan
Metrics
H-Index
i10 Index
Citation Counts
45
77
7,685
Rankings
Ranking Based On Selection: 5
Ricardo B Machado
Metrics
H-Index
i10 Index
Citation Counts
42
86
8,177
Ecologia de Paisagens
Biologia da Conservação
Ornitologia
Rankings
Ranking Based On Selection: 6
Emerson Monteiro Vieira
Metrics
H-Index
i10 Index
Citation Counts
41
92
5,334
Ecologia
Mastozoologia
Zoologia
Biologia da conservação
Rankings
Ranking Based On Selection: 7
José Francisco Gonçalves Júnior
Metrics
H-Index
i10 Index
Citation Counts
40
92
5,209
Rankings
Ranking Based On Selection: 8
Rodrigo Gurgel Goncalves
Metrics
H-Index
i10 Index
Citation Counts
37
88
3,956
entomologia médica
protozoologia
vigilância de vetores
Rankings
Ranking Based On Selection: 9
Anamélia Lorenzetti Bocca
Metrics
H-Index
i10 Index
Citation Counts
35
76
3,558
imunologia
biologia celular
microbiologia
micologia
Rankings
Ranking Based On Selection: 10
Reginaldo Constantino
Metrics
H-Index
i10 Index
Citation Counts
35
76
4,924
Rankings
Ranking Based On Selection: 11
John Du Vall Hay
Metrics
H-Index
i10 Index
Citation Counts
35
77
4,358
plant population dynamics
biological invasion
Rankings
Ranking Based On Selection: 12
Gabriela Bielefeld Nardoto
Metrics
H-Index
i10 Index
Citation Counts
34
67
6,335
ecosystem ecology
biogeochemistry
stable isotopes
Rankings
Ranking Based On Selection: 13
Fragoso Jmv
Metrics
H-Index
i10 Index
Citation Counts
34
52
5,140
Rankings
Ranking Based On Selection: 14
Isabel Belloni Schmidt
Metrics
H-Index
i10 Index
Citation Counts
31
49
3,297
Rankings
Ranking Based On Selection: 15
Carolyn Elinore Barnes Proença
Metrics
H-Index
i10 Index
Citation Counts
31
65
6,604
Rankings
Ranking Based On Selection: 16
Regina Macedo
Metrics
H-Index
i10 Index
Citation Counts
30
67
2,500
behavioral ecology
animal behavior
conservation
ornithology
Rankings
Ranking Based On Selection: 17
Reuber Brandão
Metrics
H-Index
i10 Index
Citation Counts
27
60
2,947
Biologia da Conservação
Zoologia
Herpetologia
Unidades de Conservação
Rankings
Ranking Based On Selection: 18
João Alexandre Ribeiro Gonçalves Barbosa
Metrics
H-Index
i10 Index
Citation Counts
26
50
2,572
Rankings
Ranking Based On Selection: 19
Ludgero Cardoso Galli Vieira
Metrics
H-Index
i10 Index
Citation Counts
24
47
1,986
Ecologia de comunidades
Limnologia
Ecologia do Zooplâncton
Manejo e conservação de recursos naturais
Modelagem ambiental
Rankings
Ranking Based On Selection: 20
Rodrigo Studart Corrêa
Metrics
H-Index
i10 Index
Citation Counts
24
53
1,851
Rankings
Ranking Based On Selection: 21
Paulo Camara
Metrics
H-Index
i10 Index
Citation Counts
23
59
1,875
botany
plant systematics
phylogeny
bryophytes
biogeography
Rankings
Ranking Based On Selection: 22
Raimundo Paulo Barros Henriques
Metrics
H-Index
i10 Index
Citation Counts
23
34
2,107
Rankings
Ranking Based On Selection: 23
Murilo Sversut Dias
Metrics
H-Index
i10 Index
Citation Counts
22
32
1,833
Ecology
Macroecology
Comunity ecology
Freshwater fish biology
Rankings
Ranking Based On Selection: 24
Armando Caldeira Pires
Metrics
H-Index
i10 Index
Citation Counts
22
39
1,553
Industrial Ecology
Life Cycle Assessment
Biofuels
Biorefinery
Rankings
Ranking Based On Selection: 25
Paulo Salles
Metrics
H-Index
i10 Index
Citation Counts
21
33
1,230
Artificial Intelligence
Qualitative Resoning
Ecological Modelling
Science Education
Rankings
Ranking Based On Selection: 26
Maria Cristina Oliveira
Metrics
H-Index
i10 Index
Citation Counts
20
49
1,662
Ecologia de comunidades
Ecologia de populações
Restauração de Área Degradada
Produção de Mudas
Rankings
Ranking Based On Selection: 27
Cristina Yumie Aoki Inoue
Metrics
H-Index
i10 Index
Citation Counts
19
30
1,382
global environmental politics/governance
development assistance
biodiversity
transnational networks
active and contemplative learning
Rankings
Ranking Based On Selection: 28
Pedro Hb Togni|Pedro Henrique Brum Togni
Metrics
H-Index
i10 Index
Citation Counts
19
28
903
Insect Ecology
Conservation Biological Control
Agroecology
Insect-Plant Interaction
Predators
Rankings
Ranking Based On Selection: 29
José Roberto Pujol Luz
Metrics
H-Index
i10 Index
Citation Counts
19
57
2,000
Rankings
Ranking Based On Selection: 30
Christina Vinson
Metrics
H-Index
i10 Index
Citation Counts
19
26
1,007
Rankings
Ranking Based On Selection: 31
Nícholas F De Camargo
Metrics
H-Index
i10 Index
Citation Counts
18
24
725
Rankings
Ranking Based On Selection: 32
Eduardo Bessa
Metrics
H-Index
i10 Index
Citation Counts
17
38
1,331
Rankings
Ranking Based On Selection: 33
André Cunha
Metrics
H-Index
i10 Index
Citation Counts
17
26
912
Conservação da Biodiversidade
Áreas Protegidas
Mamíferos médios e grandes
Espécies Ameaçadas
Turismo de Natureza
Rankings
Ranking Based On Selection: 34
Letícia Gomes
Metrics
H-Index
i10 Index
Citation Counts
16
21
827
Fire Ecology
Fire Management
Ecosystems
Prescribed fire
Cerrado
Rankings
Ranking Based On Selection: 35
Daniel C Moreira
Metrics
H-Index
i10 Index
Citation Counts
16
23
1,233
Biochemical Adaptation
Metabolism
Hibernation
Hypoxia
Oxidative Stress
Rankings
Ranking Based On Selection: 36
Sheila Nascimento
Metrics
H-Index
i10 Index
Citation Counts
16
21
999
Zootecnia
Bioclimatologia
Comportamento
Bem-Estar Animal
Rankings
Ranking Based On Selection: 37
Silva Andrea Leme
Metrics
H-Index
i10 Index
Citation Counts
15
19
1,094
Desenvolvimento rural
sociedade e natureza
governança ambiental
ecologia aplicada
Rankings
Ranking Based On Selection: 38
Adriano José Barbosa Souza
Metrics
H-Index
i10 Index
Citation Counts
15
21
1,279
Rankings
Ranking Based On Selection: 39
Sueli Maria Gomes|Sueli Gomes, S. M. Gomes, Sueli M. Gomes
Metrics
H-Index
i10 Index
Citation Counts
14
19
695
Anatomia Vegetal
Taxonomia Vegetal
Ensino-Aprendizagem de Biologia
Rankings
Ranking Based On Selection: 40
Claudia Padovesi Fonseca
Metrics
H-Index
i10 Index
Citation Counts
14
17
655
limnology
plankton
reservoir
stream
biodiversity
Rankings
Ranking Based On Selection: 41
Eduardo RM Barbosa
Metrics
H-Index
i10 Index
Citation Counts
13
14
692
Conservation Biology
Plant Ecology
Plant ecophysiology
Rankings
Ranking Based On Selection: 42
Maria Florencia Breitman
Metrics
H-Index
i10 Index
Citation Counts
12
14
694
Herpetology
Evolution
Biodiversity
Phylogeography
Phylogenetics
Rankings
Ranking Based On Selection: 43
Viviane Castelo Branco Reis
Metrics
H-Index
i10 Index
Citation Counts
12
15
729
Rankings
Ranking Based On Selection: 44
Diogo Martins De Sá
Metrics
H-Index
i10 Index
Citation Counts
7
7
169
Bioquímica
Biologia Molecular
Biofísica
Bioinformática
Rankings
Ranking Based On Selection: 45
Carla Albuquerque De Souza
Metrics
H-Index
i10 Index
Citation Counts
7
6
155
Ecologia de comunidades
ecologia de populações
comunidade zooplanctônica.
Rankings
Ranking Based On Selection: 46
Gabriel S Garcia
Metrics
H-Index
i10 Index
Citation Counts
6
3
163
Rankings
Ranking Based On Selection: 47
Danilo Gustavo Rodrigues De Oliveira
Metrics
H-Index
i10 Index
Citation Counts
5
4
113
Biologia da conservação
comportamento animal
neurociências
neurofarmacologia
Rankings
Ranking Based On Selection: 48
Vinicius Tirelli Pompermaier
Metrics
H-Index
i10 Index
Citation Counts
5
3
77
Rankings
Ranking Based On Selection: 49
Anabele Stefânia Gomes
Metrics
H-Index
i10 Index
Citation Counts
5
3
178
Ecofisiologia
Interações entre espécies
competição
ilhas
Rankings
Ranking Based On Selection: 50
Suelem Muniz Leão
Metrics
H-Index
i10 Index
Citation Counts
4
3
83
Ecología
Biodiversidad
Biogeografia
Conservación
Rankings
Ranking Based On Selection: 51
Vinícius Lima De Miranda
Metrics
H-Index
i10 Index
Citation Counts
4
1
35
Zoologia
Ecologia
Mirmecologia
Comportamento animal
Rankings
Ranking Based On Selection: 52
ChaibAdalgisa Maria
Metrics
H-Index
i10 Index
Citation Counts
4
2
47
Botânica
Mudanças Climáticas
Fisiologia vegetal
Rankings
Ranking Based On Selection: 53
Melissa Monteiro
Metrics
H-Index
i10 Index
Citation Counts
3
2
61
biologia
nanotecnologia
engenharia biomédica
Rankings
Ranking Based On Selection: 54
Bruno Corrêa
Metrics
H-Index
i10 Index
Citation Counts
3
1
26
Zoologia
Ecologia
Morfometria Geométrica
Anatomia Comparada
Rankings
Ranking Based On Selection: 55
Laís Ribeiro
Metrics
H-Index
i10 Index
Citation Counts
3
1
25
ecologia
evolução
invasão biológica
conservação
Rankings
Ranking Based On Selection: 56
Daniel Martins Dos Santos
Metrics
H-Index
i10 Index
Citation Counts
3
0
14
Vertebrate paleontology
Ontogeny
Crocodylomorpha
Baurusuchidae
Stromatolite paleobiology
Rankings
Ranking Based On Selection: 57
Goro Kodama
Metrics
H-Index
i10 Index
Citation Counts
3
1
48
Rankings
Ranking Based On Selection: 58
Darlan Quinta
Metrics
H-Index
i10 Index
Citation Counts
2
2
84
Ecotoxicologia
Ecologia
Educação ambiental e Ensino de Ciências
Rankings
Ranking Based On Selection: 59
Gabriel Marins
Metrics
H-Index
i10 Index
Citation Counts
2
1
21
Rankings
Ranking Based On Selection: 60
Flávio Roque Bernardes Camelo
Metrics
H-Index
i10 Index
Citation Counts
2
0
16
Rankings
Ranking Based On Selection: 61
Yan Felipe Figueira Soares
Metrics
H-Index
i10 Index
Citation Counts
2
0
14
Rankings
Ranking Based On Selection: 62
Anderson Oliveira
Metrics
H-Index
i10 Index
Citation Counts
2
0
9
Rankings
Ranking Based On Selection: 63
Vitor Matheus Alcântara De Sena
Metrics
H-Index
i10 Index
Citation Counts
1
1
12
Biologia da conservação
Ecologia de Paisagens
Bioacústica
Rankings
Ranking Based On Selection: 64
Pedro Henrique De Oliveira Ribeiro
Metrics
H-Index
i10 Index
Citation Counts
1
0
9
ecologia
entomologia
diversidade
dung beetles
cerrado
Rankings
Ranking Based On Selection: 65
Priscilla Braga Petrazzini
Metrics
H-Index
i10 Index
Citation Counts
1
0
3
Rankings
Ranking Based On Selection: 66
Fabiano Mache
Metrics
H-Index
i10 Index
Citation Counts
1
0
2