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: 9
Maria J Silva
Environmental genotoxicity
molecular epidemiology
toxicogenomics
nanotoxicology
Metrics
H-Index
i10 Index
Citation
31
63
3,104

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* Rankings
Ranking Based On Selection: 13
Helena Alves
Immunogenetics of Chronic diseases
HLA-Disease association
Transplantation
Stem cells
Organ rejection
Metrics
H-Index
i10 Index
Citation
28
55
2,712
* Rankings
Ranking Based On Selection: 19
Monica C. Botelho
Neglected Tropical Diseases
Schistosomiasis
Bladder Cancer
Infertility
Metrics
H-Index
i10 Index
Citation
24
36
1,444
* Rankings
Ranking Based On Selection: 22
Carla Teles Martins
Toxicologia Alimentar
Micotoxinas
Metais Pesados
Metrics
H-Index
i10 Index
Citation
21
30
4,813
* Rankings
Ranking Based On Selection: 25
Claudia Silva Marques
Parasitology
Food and Waterborne parasites
Immunology
Nanobiotechnology
Comparative oncology
Metrics
H-Index
i10 Index
Citation
18
22
893
* Rankings
Ranking Based On Selection: 30
Vânia Gonçalves
Cellular signal transduction pathways regulating alternative splicing in tumorigenesis
Molecular biology of cancer
Splicing va
Metrics
H-Index
i10 Index
Citation
13
14
781
* Rankings
Ranking Based On Selection: 33
Rita Roquette
Epidemiologia espacial
Sistemas de informação geográfica
Estatística espacial
Metrics
H-Index
i10 Index
Citation
11
12
519
* Rankings
Ranking Based On Selection: 34
Filipa Ferreira
Doenças raras
porfirias
disruptores endócrinos
cianobactérias
cianotoxinas
Metrics
H-Index
i10 Index
Citation
11
11
449
* Rankings
Ranking Based On Selection: 36
Marisa Rego Encarnação
Lysosomal Storage Disorders
Lysosome positioning
Next Generation Sequencing
Metrics
H-Index
i10 Index
Citation
10
11
531
* Rankings
Ranking Based On Selection: 37
Célia Bettencourt
Doenças infeciosas
Vigilância
Genética
Saúde Pública
Metrics
H-Index
i10 Index
Citation
10
10
343
* Rankings
Ranking Based On Selection: 47
Ricardo Mexia
Surveillance
Mass Gatherings
Participatory
Migrant Health
Metrics
H-Index
i10 Index
Citation
8
8
435
* Rankings
Ranking Based On Selection: 48
Joana Vilela
Perturbação do Espectro do Autismo
Doenças complexas
Genética Médica
Neurobiologia
Metrics
H-Index
i10 Index
Citation
7
7
249
* Rankings
Ranking Based On Selection: 50
João Almeida Santos
Epidemiology
Infectious diseases
Clinical immunology
Public Health
Metrics
H-Index
i10 Index
Citation
7
5
211
* Rankings
Ranking Based On Selection: 52
Ana Rita Marques
Human Genetics
Bioinformatics
Regulatory RNAs
Systems Biology
Neurosciences and Personalized Medicine
Metrics
H-Index
i10 Index
Citation
6
6
174
* Rankings
Ranking Based On Selection: 53
Lisbeth Silva
Next Generetion Sequencing
Genetics
Molecular biology
Mitochondrial disoders
Metrics
H-Index
i10 Index
Citation
6
4
170
* Rankings
Ranking Based On Selection: 55
Sonija Luzi
statistical data analysis
quantitative research methods
genetic epidemiology
Metrics
H-Index
i10 Index
Citation
6
6
1,074
* Rankings
Ranking Based On Selection: 57
Carina Menezes
cianobactérias
fitoplâncton
qualidade da água
bioactividade
risco de intoxicações
Metrics
H-Index
i10 Index
Citation
5
4
148
* Rankings
Ranking Based On Selection: 59
Mariana Gonçalves
antisense oligonucleotides
genetics
mice:U1snRNA
Rare disease
Metrics
H-Index
i10 Index
Citation
2
1
15
Rankings
Ranking Based On Selection: 1
Joao Paulo Teixeira
Metrics
H-Index
i10 Index
Citation Counts
56
141
10,358
Occupational Health
Genotoxicity
Public Health
Indoor Air Quality
Rankings
Ranking Based On Selection: 2
Ana Catarina Alves
Metrics
H-Index
i10 Index
Citation Counts
42
116
5,949
dislipidemias familiares
biologia molecular e celular
Rankings
Ranking Based On Selection: 3
Carlos Matias Dias
Metrics
H-Index
i10 Index
Citation Counts
40
92
5,955
Rankings
Ranking Based On Selection: 4
Cristiana Costa Pereira
Metrics
H-Index
i10 Index
Citation Counts
38
61
7,867
Rankings
Ranking Based On Selection: 5
Peter Jordan
Metrics
H-Index
i10 Index
Citation Counts
37
68
5,281
Rankings
Ranking Based On Selection: 6
Carla Costa
Metrics
H-Index
i10 Index
Citation Counts
35
68
4,299
Rankings
Ranking Based On Selection: 8
Raquel Sabino
Metrics
H-Index
i10 Index
Citation Counts
32
63
3,094
Rankings
Ranking Based On Selection: 9
Maria J Silva
Metrics
H-Index
i10 Index
Citation Counts
31
63
3,104
Environmental genotoxicity
molecular epidemiology
toxicogenomics
nanotoxicology
Rankings
Ranking Based On Selection: 10
Maria Sofia Nuncio
Metrics
H-Index
i10 Index
Citation Counts
31
52
2,472

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Rankings
Ranking Based On Selection: 11
Raquel Guiomar
Metrics
H-Index
i10 Index
Citation Counts
29
56
3,024
Influenza
seroepidemiology
immunology
surveillance
public health
Rankings
Ranking Based On Selection: 12
Paulo Matos
Metrics
H-Index
i10 Index
Citation Counts
29
48
2,423
Cancer Biology
Biochemistry
Molecular and Celular Biology
Rankings
Ranking Based On Selection: 13
Helena Alves
Metrics
H-Index
i10 Index
Citation Counts
28
55
2,712
Immunogenetics of Chronic diseases
HLA-Disease association
Transplantation
Stem cells
Organ rejection
Rankings
Ranking Based On Selection: 14
Tânia Gonçalves Albuquerque
Metrics
H-Index
i10 Index
Citation Counts
26
39
2,777
Rankings
Ranking Based On Selection: 15
Líbia Zé-Zé
Metrics
H-Index
i10 Index
Citation Counts
26
47
2,167
Molecular Biology
Vector-Borne Diseases
Lactic Acid Bacteria
Rankings
Ranking Based On Selection: 16
Henriqueta Louro
Metrics
H-Index
i10 Index
Citation Counts
25
49
1,959
Rankings
Ranking Based On Selection: 17
João Brandão
Metrics
H-Index
i10 Index
Citation Counts
25
40
2,553
Rankings
Ranking Based On Selection: 18
Vera Manageiro
Metrics
H-Index
i10 Index
Citation Counts
25
34
2,757
Rankings
Ranking Based On Selection: 19
Monica C. Botelho
Metrics
H-Index
i10 Index
Citation Counts
24
36
1,444
Neglected Tropical Diseases
Schistosomiasis
Bladder Cancer
Infertility
Rankings
Ranking Based On Selection: 20
Paula Faustino
Metrics
H-Index
i10 Index
Citation Counts
23
39
2,370
Rankings
Ranking Based On Selection: 21
Luisa Jordao
Metrics
H-Index
i10 Index
Citation Counts
22
38
1,999
Rankings
Ranking Based On Selection: 22
Carla Teles Martins
Metrics
H-Index
i10 Index
Citation Counts
21
30
4,813
Toxicologia Alimentar
Micotoxinas
Metais Pesados
Rankings
Ranking Based On Selection: 24
Paulo Gaspar
Metrics
H-Index
i10 Index
Citation Counts
18
21
1,281
Rankings
Ranking Based On Selection: 25
Claudia Silva Marques
Metrics
H-Index
i10 Index
Citation Counts
18
22
893
Parasitology
Food and Waterborne parasites
Immunology
Nanobiotechnology
Comparative oncology
Rankings
Ranking Based On Selection: 26
Angela Pista
Metrics
H-Index
i10 Index
Citation Counts
16
22
743
Rankings
Ranking Based On Selection: 27
Verónica Mixão
Metrics
H-Index
i10 Index
Citation Counts
15
22
1,421
Genomics
Bioinformatics
Pathogens
Parasitology
Hybrids
Rankings
Ranking Based On Selection: 28
Susana Sousa
Metrics
H-Index
i10 Index
Citation Counts
15
21
816
Rankings
Ranking Based On Selection: 30
Vânia Gonçalves
Metrics
H-Index
i10 Index
Citation Counts
13
14
781
Cellular signal transduction pathways regulating alternative splicing in tumorigenesis
Molecular biology of cancer
Splicing va
Rankings
Ranking Based On Selection: 31
Maria Bajanca
Metrics
H-Index
i10 Index
Citation Counts
13
15
558
Rankings
Ranking Based On Selection: 32
Cláudia Bessa
Metrics
H-Index
i10 Index
Citation Counts
13
14
543
Glicobiologia
Imunologia
Cancro
Rankings
Ranking Based On Selection: 33
Rita Roquette
Metrics
H-Index
i10 Index
Citation Counts
11
12
519
Epidemiologia espacial
Sistemas de informação geográfica
Estatística espacial
Rankings
Ranking Based On Selection: 34
Filipa Ferreira
Metrics
H-Index
i10 Index
Citation Counts
11
11
449
Doenças raras
porfirias
disruptores endócrinos
cianobactérias
cianotoxinas
Rankings
Ranking Based On Selection: 35
Leonor Silveira
Metrics
H-Index
i10 Index
Citation Counts
10
13
322
Rankings
Ranking Based On Selection: 36
Marisa Rego Encarnação
Metrics
H-Index
i10 Index
Citation Counts
10
11
531
Lysosomal Storage Disorders
Lysosome positioning
Next Generation Sequencing
Rankings
Ranking Based On Selection: 37
Célia Bettencourt
Metrics
H-Index
i10 Index
Citation Counts
10
10
343
Doenças infeciosas
Vigilância
Genética
Saúde Pública
Rankings
Ranking Based On Selection: 38
Patrícia Barros
Metrics
H-Index
i10 Index
Citation Counts
10
10
269
Rankings
Ranking Based On Selection: 39
Hugo Costa Osório
Metrics
H-Index
i10 Index
Citation Counts
10
10
514
Rankings
Ranking Based On Selection: 40
Rankings
Ranking Based On Selection: 41
Cássia H Barbosa
Metrics
H-Index
i10 Index
Citation Counts
9
9
372
Rankings
Ranking Based On Selection: 42
Joana Rita Chora
Metrics
H-Index
i10 Index
Citation Counts
9
8
569
Rankings
Ranking Based On Selection: 43
Vanessa Correia
Metrics
H-Index
i10 Index
Citation Counts
9
9
319
Rankings
Ranking Based On Selection: 44
Rita Cardoso
Metrics
H-Index
i10 Index
Citation Counts
9
9
314
Rankings
Ranking Based On Selection: 45
Sergio Paulino
Metrics
H-Index
i10 Index
Citation Counts
9
9
410
Rankings
Ranking Based On Selection: 46
Cristina Maria Pires Ferreira
Metrics
H-Index
i10 Index
Citation Counts
9
9
348
Genética Humana
Diagnóstico pré-natal
Rankings
Ranking Based On Selection: 47
Ricardo Mexia
Metrics
H-Index
i10 Index
Citation Counts
8
8
435
Surveillance
Mass Gatherings
Participatory
Migrant Health
Rankings
Ranking Based On Selection: 48
Joana Vilela
Metrics
H-Index
i10 Index
Citation Counts
7
7
249
Perturbação do Espectro do Autismo
Doenças complexas
Genética Médica
Neurobiologia
Rankings
Ranking Based On Selection: 49
João Xavier Santos
Metrics
H-Index
i10 Index
Citation Counts
7
7
139
Rankings
Ranking Based On Selection: 50
João Almeida Santos
Metrics
H-Index
i10 Index
Citation Counts
7
5
211
Epidemiology
Infectious diseases
Clinical immunology
Public Health
Rankings
Ranking Based On Selection: 51
Cláudia Júlio
Metrics
H-Index
i10 Index
Citation Counts
7
7
444
Microbiologia
Parasitologia
Rankings
Ranking Based On Selection: 52
Ana Rita Marques
Metrics
H-Index
i10 Index
Citation Counts
6
6
174
Human Genetics
Bioinformatics
Regulatory RNAs
Systems Biology
Neurosciences and Personalized Medicine
Rankings
Ranking Based On Selection: 53
Lisbeth Silva
Metrics
H-Index
i10 Index
Citation Counts
6
4
170
Next Generetion Sequencing
Genetics
Molecular biology
Mitochondrial disoders
Rankings
Ranking Based On Selection: 54
Marta Ventura
Metrics
H-Index
i10 Index
Citation Counts
6
4
136
Rankings
Ranking Based On Selection: 55
Sonija Luzi
Metrics
H-Index
i10 Index
Citation Counts
6
6
1,074
statistical data analysis
quantitative research methods
genetic epidemiology
Rankings
Ranking Based On Selection: 56
A Maria Vilares
Metrics
H-Index
i10 Index
Citation Counts
5
5
308
biologia
medicina
ecotoxicologia
toxicologia
Rankings
Ranking Based On Selection: 57
Carina Menezes
Metrics
H-Index
i10 Index
Citation Counts
5
4
148
cianobactérias
fitoplâncton
qualidade da água
bioactividade
risco de intoxicações
Rankings
Ranking Based On Selection: 58
Juan F García-Moreno
Metrics
H-Index
i10 Index
Citation Counts
4
4
182
Rankings
Ranking Based On Selection: 59
Mariana Gonçalves
Metrics
H-Index
i10 Index
Citation Counts
2
1
15
antisense oligonucleotides
genetics
mice:U1snRNA
Rare disease