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: 5
Hassan Bousbaa
Mitosis
Kinetochore
Cancer Biology
Antimitotics
Anticancer strategies
Metrics
H-Index
i10 Index
Citation
29
52
3,027

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* Rankings
Ranking Based On Selection: 17
Aurea Lima
Medicina de Precisão/Terapêutica Personalizada
Oncologia Médica
Farmacogenómica e Toxicogenómica
Medicina Estética e Ci
Metrics
H-Index
i10 Index
Citation
17
18
1,025
* Rankings
Ranking Based On Selection: 19
Filomena Salazar
Ciências Médicas
Ciências Dentárias: Periodontologia e Implantologia
Metrics
H-Index
i10 Index
Citation
16
25
1,182
* Rankings
Ranking Based On Selection: 21
Maria João Calheiros Lobo
Cariology
proteomics
esthetic dentistry
orthodontics
CAD-CAM technology
Metrics
H-Index
i10 Index
Citation
15
17
1,490
* Rankings
Ranking Based On Selection: 25
Joana Barbosa
Biomedicina
Bioquímica
Biologia
Toxicologia
Farmacologia
Metrics
H-Index
i10 Index
Citation
13
17
842
* Rankings
Ranking Based On Selection: 34
Sara Lima
Envelhecimento
Demências
Doença de Alzheimer
Doença crônica cuidadores formais e informais
Metrics
H-Index
i10 Index
Citation
8
8
278
* Rankings
Ranking Based On Selection: 39
Susana Lêdo
Psicologia da Saúde
Impacto psicossocial dos testes genéticos pré-sintomáticos
psicopatologia
Metrics
H-Index
i10 Index
Citation
8
7
240
* Rankings
Ranking Based On Selection: 45
Anna Quialheiro
healthy aging
balance
digital inclusion
eHealth literacy
older adults
Metrics
H-Index
i10 Index
Citation
7
5
135
* Rankings
Ranking Based On Selection: 47
Teresa Guerra Barroso
Nanomedicina
Biosensores
Diagnóstico
Medicina Veterinária
Metrics
H-Index
i10 Index
Citation
6
5
149
* Rankings
Ranking Based On Selection: 49
Ricardo Gonçalves
Toxicology
Chromatography
Forensics
Analytical Chemistry
Organic Chemistr
Metrics
H-Index
i10 Index
Citation
5
5
144
* Rankings
Ranking Based On Selection: 50
Pádua, Inês
Food Allergy
Immunonutrition
Pediatrics
Food Literacy
Metrics
H-Index
i10 Index
Citation
5
3
115
* Rankings
Ranking Based On Selection: 54
Ana Teixeira
Enfermagem Saúde Mental
Supervisão Clínica
Competência Emocional
Prática Baseada em Evidência
Metrics
H-Index
i10 Index
Citation
5
1
49
* Rankings
Ranking Based On Selection: 65
Joana Fonseca
Cellular and Molecular Biology
Cancer Research
Drug Research
Biotechnology
Mitosis and Apoptosis
Metrics
H-Index
i10 Index
Citation
2
2
61
Rankings
Ranking Based On Selection: 1
Maria Elizabeth Tiritan
Metrics
H-Index
i10 Index
Citation Counts
47
112
7,717
Química Orgânica e Medicinal
Química Analítica e Ambiente
Rankings
Ranking Based On Selection: 2
Vítor Seabra
Metrics
H-Index
i10 Index
Citation Counts
36
41
3,771
Rankings
Ranking Based On Selection: 3
Pedro Fonte
Metrics
H-Index
i10 Index
Citation Counts
35
59
3,947
Rankings
Ranking Based On Selection: 4
Nuno Milhazes
Metrics
H-Index
i10 Index
Citation Counts
32
44
5,481
Rankings
Ranking Based On Selection: 5
Hassan Bousbaa
Metrics
H-Index
i10 Index
Citation Counts
29
52
3,027
Mitosis
Kinetochore
Cancer Biology
Antimitotics
Anticancer strategies
Rankings
Ranking Based On Selection: 7
Susana Coimbra
Metrics
H-Index
i10 Index
Citation Counts
26
38
2,403
Rankings
Ranking Based On Selection: 8
Maria João Neuparth
Metrics
H-Index
i10 Index
Citation Counts
26
42
2,209
Rankings
Ranking Based On Selection: 10
Odília Queirós
Metrics
H-Index
i10 Index
Citation Counts
22
29
1,726
Cancer metabolism
membrane transport
biotechnology

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Rankings
Ranking Based On Selection: 12
Luis Monteiro
Metrics
H-Index
i10 Index
Citation Counts
20
23
1,024
Patologia Oral
Medicina Oral
Oncologia Oral
Biopatologia
Rankings
Ranking Based On Selection: 13
Cristina Couto
Metrics
H-Index
i10 Index
Citation Counts
19
28
896
Rankings
Ranking Based On Selection: 14
Rankings
Ranking Based On Selection: 16
Rui Azevedo
Metrics
H-Index
i10 Index
Citation Counts
17
21
1,870
Rankings
Ranking Based On Selection: 17
Aurea Lima
Metrics
H-Index
i10 Index
Citation Counts
17
18
1,025
Medicina de Precisão/Terapêutica Personalizada
Oncologia Médica
Farmacogenómica e Toxicogenómica
Medicina Estética e Ci
Rankings
Ranking Based On Selection: 18
Claudia Maria Rosa Ribeiro
Metrics
H-Index
i10 Index
Citation Counts
17
23
1,140
Química medicinal
Química analítica
Quimica ambiental
Rankings
Ranking Based On Selection: 19
Filomena Salazar
Metrics
H-Index
i10 Index
Citation Counts
16
25
1,182
Ciências Médicas
Ciências Dentárias: Periodontologia e Implantologia
Rankings
Ranking Based On Selection: 20
Sandra Quinteira
Metrics
H-Index
i10 Index
Citation Counts
16
16
999
Rankings
Ranking Based On Selection: 21
Maria João Calheiros Lobo
Metrics
H-Index
i10 Index
Citation Counts
15
17
1,490
Cariology
proteomics
esthetic dentistry
orthodontics
CAD-CAM technology
Rankings
Ranking Based On Selection: 22
Leal S
Metrics
H-Index
i10 Index
Citation Counts
14
18
643
Rankings
Ranking Based On Selection: 24
Ana Azevedo
Metrics
H-Index
i10 Index
Citation Counts
14
18
667
Medicina Dentária
Anatomia Humana
Histologia e Embriologia
Rankings
Ranking Based On Selection: 25
Joana Barbosa
Metrics
H-Index
i10 Index
Citation Counts
13
17
842
Biomedicina
Bioquímica
Biologia
Toxicologia
Farmacologia
Rankings
Ranking Based On Selection: 26
Marisa Machado
Metrics
H-Index
i10 Index
Citation Counts
13
15
928
Rankings
Ranking Based On Selection: 27
Bruno Peixoto
Metrics
H-Index
i10 Index
Citation Counts
13
17
610
neurosciences
neuropsychology
health psychology
Rankings
Ranking Based On Selection: 28
Leonor Delgado
Metrics
H-Index
i10 Index
Citation Counts
11
13
541
Patologia Comparativa
Oncologia
Rankings
Ranking Based On Selection: 29
Maria Paço
Metrics
H-Index
i10 Index
Citation Counts
11
11
549
TMDs
pain
musculosketal conditions
Rankings
Ranking Based On Selection: 33
genetics
platelets
complementary medicine
Rankings
Ranking Based On Selection: 34
Sara Lima
Metrics
H-Index
i10 Index
Citation Counts
8
8
278
Envelhecimento
Demências
Doença de Alzheimer
Doença crônica cuidadores formais e informais
Rankings
Ranking Based On Selection: 37
Psicofisiologia
Neuropsicologia Cognitiva e Afetiva
Rankings
Ranking Based On Selection: 39
Susana Lêdo
Metrics
H-Index
i10 Index
Citation Counts
8
7
240
Psicologia da Saúde
Impacto psicossocial dos testes genéticos pré-sintomáticos
psicopatologia
Rankings
Ranking Based On Selection: 40
Carla Batista Pinto
Metrics
H-Index
i10 Index
Citation Counts
8
7
220
Rankings
Ranking Based On Selection: 41
Pedro Barreiros
Metrics
H-Index
i10 Index
Citation Counts
7
4
90
Oral surgery
maxillofacial
prosthodontics
implantology
Rankings
Ranking Based On Selection: 42
Rankings
Ranking Based On Selection: 44
Câncer
terapias
doenças neurodegenerativas
neuroimunologia
Rankings
Ranking Based On Selection: 45
Anna Quialheiro
Metrics
H-Index
i10 Index
Citation Counts
7
5
135
healthy aging
balance
digital inclusion
eHealth literacy
older adults
Rankings
Ranking Based On Selection: 47
Nanomedicina
Biosensores
Diagnóstico
Medicina Veterinária
Rankings
Ranking Based On Selection: 48
Preventive and Community Dentistry
Pediatric Dentistry
Oral Epidemiology
Rankings
Ranking Based On Selection: 49
Ricardo Gonçalves
Metrics
H-Index
i10 Index
Citation Counts
5
5
144
Toxicology
Chromatography
Forensics
Analytical Chemistry
Organic Chemistr
Rankings
Ranking Based On Selection: 50
Pádua, Inês
Metrics
H-Index
i10 Index
Citation Counts
5
3
115
Food Allergy
Immunonutrition
Pediatrics
Food Literacy
Rankings
Ranking Based On Selection: 52
Filipe Fernandes
Metrics
H-Index
i10 Index
Citation Counts
5
2
78
Critical Care
Artificial Intelligence
Emergency
Nursing
Airway Management
Rankings
Ranking Based On Selection: 54
Ana Teixeira
Metrics
H-Index
i10 Index
Citation Counts
5
1
49
Enfermagem Saúde Mental
Supervisão Clínica
Competência Emocional
Prática Baseada em Evidência
Rankings
Ranking Based On Selection: 55
Enfermagem
Supervisão Clínica
Gestão de Unidade de Saúde
Gestão de Recursos Humanos na Saúde
Rankings
Ranking Based On Selection: 56
Cancro
Histopatologia
Toxicologia
Rankings
Ranking Based On Selection: 58
Lígia Lopes-Rocha
Metrics
H-Index
i10 Index
Citation Counts
4
2
98
Rankings
Ranking Based On Selection: 59
Liliana Avidos
Metrics
H-Index
i10 Index
Citation Counts
4
2
61
Podiatria
Biomecânica
Geriatria
Diabetologia
Rankings
Ranking Based On Selection: 60
José Manuel Mendes
Metrics
H-Index
i10 Index
Citation Counts
4
3
175
Rankings
Ranking Based On Selection: 63
Luís Fernandes
Metrics
H-Index
i10 Index
Citation Counts
3
2
50
Rankings
Ranking Based On Selection: 65
Joana Fonseca
Metrics
H-Index
i10 Index
Citation Counts
2
2
61
Cellular and Molecular Biology
Cancer Research
Drug Research
Biotechnology
Mitosis and Apoptosis
Rankings
Ranking Based On Selection: 66
Endodontia
Regeneração pulpar
Diagnóstico endodôntico