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" (873,937 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 :4
Vijay Kumar Chattu
Public Health
Health Diplomacy
Occupational Medicine
International Relations
Global Governance
Metrics
H-Index
i10 Index
Citation
80
197
76,344
* Rankings
Ranking Based On Selection :5
Susan Jaglal
Health Services Research
Spinal cord Injury
Osteoporosis
Rehabilitation
Metrics
H-Index
i10 Index
Citation
74
225
16,867
* Rankings
Ranking Based On Selection :6
Jeffrey C Kwong
influenza vaccines
epidemiology
infectious diseases
public health
Metrics
H-Index
i10 Index
Citation
64
231
16,139
* Rankings
Ranking Based On Selection :7
Gillian Booth
diabetes epidemiology
health services research
public health policy
built environment
Metrics
H-Index
i10 Index
Citation
64
137
38,368
* Rankings
Ranking Based On Selection :10
Paula Braitstein
Epidemiology
vulnerable children and youth
HIV
climate and environmental change
Metrics
H-Index
i10 Index
Citation
55
134
10,863
* Rankings
Ranking Based On Selection :13
Jayadeep Patra
epidemiology
alcohol
tobacco
global health
meta-analysis
Metrics
H-Index
i10 Index
Citation
45
77
32,414
* Rankings
Ranking Based On Selection :15
Tauseef A Khan
epidemiology
nutrition
dose-response
sweeteners
honey
Metrics
H-Index
i10 Index
Citation
39
73
6,335
* Rankings
Ranking Based On Selection :16
Ilene Hyman
public health
health equity
immigration
social inclusion
Metrics
H-Index
i10 Index
Citation
38
68
5,598
* Rankings
Ranking Based On Selection :18
Andrew D Pinto
social determinants of health
primary care
public health
artificial intelligence
population health management
Metrics
H-Index
i10 Index
Citation
33
85
4,436
* Rankings
Ranking Based On Selection :19
Jessica J Wong DC
Population health
health services research
musculoskeletal health
rehabilitation
aging
Metrics
H-Index
i10 Index
Citation
32
59
3,884
* Rankings
Ranking Based On Selection :21
Catharine Chambers
Epidemiology
Applied Public Health
Communicable Diseases
Metrics
H-Index
i10 Index
Citation
31
43
4,140
Paul Arora
Epidemiology
Health Economics Outcomes Research
Quantitative Bias Analysis
Causal Inference
Target Trial Emulation
Metrics
H-Index
i10 Index
Citation
30
47
4,232
Vasily Giannakeas
Epidemiology
Cancer Epidemiology
Epidemiological Methods
Metrics
H-Index
i10 Index
Citation
26
43
2,362
Erica Di Ruggiero
population health interventions
decent work
health and gender equity
public health systems
governance
Metrics
H-Index
i10 Index
Citation
25
65
3,089
Sharifa Nasreen
Public Health
Epidemiology and Biostatistics
Infectious Diseases
Vaccine epidemiology
Metrics
H-Index
i10 Index
Citation
21
35
2,694
Christoffer Dharma
epidemiology
biostatistics
machine learning
mental heath
sexuality
Metrics
H-Index
i10 Index
Citation
20
25
1,928
Meghan Lynch
public health
food insecurity
qualitative research
social media analysis
Metrics
H-Index
i10 Index
Citation
15
19
1,036
Alainna J Jamal
Epidemiology
Infection Prevention & Control
Multi-Drug Resistance
Gram-Negative Bacterial Infections
Emerging Infectious Dis
Metrics
H-Index
i10 Index
Citation
14
15
1,833
Aamir Bharmal
communicable disease control
preventive medicine
harm reduction
Metrics
H-Index
i10 Index
Citation
12
12
852
Tracy Yuen
Epidemiology
Health Economics
Health Technology Assessment
Metrics
H-Index
i10 Index
Citation
11
11
3,563
Anum Irfan Khan
Public Health
Integrated Care
Quality Improvement
Primary Care
Interprofessional Collaboration
Metrics
H-Index
i10 Index
Citation
11
11
506
Kathleen Gloria Dobson
longitudinal methods
psychiatric epidemiology
labor force
population health
health economics
Metrics
H-Index
i10 Index
Citation
10
12
809
Arlinda Ruco
public health
cancer screening
occupational health
health leadership
Metrics
H-Index
i10 Index
Citation
10
10
1,684
Ricardo Granero
public health
clinical epidemiology
prevention
health promotion
research methodology
Metrics
H-Index
i10 Index
Citation
10
12
487
Sima Sajedinejad
Public health
epidemiology
health policy
health system monitoring and evaluation
Metrics
H-Index
i10 Index
Citation
8
8
297
Apondi J Odhiambo
Public health
healthcare
social justice
human rights
laws and policies
Metrics
H-Index
i10 Index
Citation
8
6
147
Earl Nowgesic
Indigenous health
epidemiology
& social and behavioural health
Metrics
H-Index
i10 Index
Citation
7
6
525
Debapriya Chakraborty
Epidemiology
Public Health
Obesity Prevention
Global Health
Noncommunicable Diseases
Metrics
H-Index
i10 Index
Citation
2
1
13
Edris Formuli
public health
occupational science
mental health
chronic disease
disease prevention
Metrics
H-Index
i10 Index
Citation
1
0
2
Rankings
Ranking Based On Selection: 1
Patricia O Campo
Metrics
H-Index
i10 Index
Citation Counts
100
323
32,782
Rankings
Ranking Based On Selection: 2
Prabhat Jha
Metrics
H-Index
i10 Index
Citation Counts
95
291
47,988
Rankings
Ranking Based On Selection: 3
John R Mclaughlin
Metrics
H-Index
i10 Index
Citation Counts
93
300
46,394
Rankings
Ranking Based On Selection: 4
Vijay Kumar Chattu
Metrics
H-Index
i10 Index
Citation Counts
80
197
76,344
Public Health
Health Diplomacy
Occupational Medicine
International Relations
Global Governance
Rankings
Ranking Based On Selection: 5
Susan Jaglal
Metrics
H-Index
i10 Index
Citation Counts
74
225
16,867
Health Services Research
Spinal cord Injury
Osteoporosis
Rehabilitation
Rankings
Ranking Based On Selection: 6
Jeffrey C Kwong
Metrics
H-Index
i10 Index
Citation Counts
64
231
16,139
influenza vaccines
epidemiology
infectious diseases
public health
Rankings
Ranking Based On Selection: 7
Gillian Booth
Metrics
H-Index
i10 Index
Citation Counts
64
137
38,368
diabetes epidemiology
health services research
public health policy
built environment
Rankings
Ranking Based On Selection: 8
Tara Gomes
Metrics
H-Index
i10 Index
Citation Counts
60
222
18,032
Rankings
Ranking Based On Selection: 9
Laura Rosella
Metrics
H-Index
i10 Index
Citation Counts
55
207
12,609
Rankings
Ranking Based On Selection: 10
Paula Braitstein
Metrics
H-Index
i10 Index
Citation Counts
55
134
10,863
Epidemiology
vulnerable children and youth
HIV
climate and environmental change
Rankings
Ranking Based On Selection: 11
Carol Strike
Metrics
H-Index
i10 Index
Citation Counts
48
144
7,098
Rankings
Ranking Based On Selection: 13
Jayadeep Patra
Metrics
H-Index
i10 Index
Citation Counts
45
77
32,414
Rankings
Ranking Based On Selection: 15
Tauseef A Khan
Metrics
H-Index
i10 Index
Citation Counts
39
73
6,335
Rankings
Ranking Based On Selection: 16
Ilene Hyman
Metrics
H-Index
i10 Index
Citation Counts
38
68
5,598
Rankings
Ranking Based On Selection: 17
Mostafa Shokoohi
Metrics
H-Index
i10 Index
Citation Counts
35
104
4,076
Rankings
Ranking Based On Selection: 18
Andrew D Pinto
Metrics
H-Index
i10 Index
Citation Counts
33
85
4,436
social determinants of health
primary care
public health
artificial intelligence
population health management
Rankings
Ranking Based On Selection: 19
Jessica J Wong DC
Metrics
H-Index
i10 Index
Citation Counts
32
59
3,884
Population health
health services research
musculoskeletal health
rehabilitation
aging
Rankings
Ranking Based On Selection: 20
Michael S Goodstadt
Metrics
H-Index
i10 Index
Citation Counts
32
62
3,948
Rankings
Ranking Based On Selection: 21
Catharine Chambers
Metrics
H-Index
i10 Index
Citation Counts
31
43
4,140
Rankings
Ranking Based On Selection: 22
Fiona Kouyoumdjian
Metrics
H-Index
i10 Index
Citation Counts
30
57
3,729
Rankings
Ranking Based On Selection: 23
Paul Arora
Metrics
H-Index
i10 Index
Citation Counts
30
47
4,232
Epidemiology
Health Economics Outcomes Research
Quantitative Bias Analysis
Causal Inference
Target Trial Emulation
Rankings
Ranking Based On Selection: 24
Vasily Giannakeas
Metrics
H-Index
i10 Index
Citation Counts
26
43
2,362
Rankings
Ranking Based On Selection: 25
Erica Di Ruggiero
Metrics
H-Index
i10 Index
Citation Counts
25
65
3,089
population health interventions
decent work
health and gender equity
public health systems
governance
Rankings
Ranking Based On Selection: 26
Kristian Larsen
Metrics
H-Index
i10 Index
Citation Counts
25
36
3,536
Rankings
Ranking Based On Selection: 27
Agnes Gozdzik
Metrics
H-Index
i10 Index
Citation Counts
25
30
2,392
Rankings
Ranking Based On Selection: 28
Lee Vernich
Metrics
H-Index
i10 Index
Citation Counts
23
29
4,248
Rankings
Ranking Based On Selection: 29
Peggy Millson
Metrics
H-Index
i10 Index
Citation Counts
23
33
1,763
Rankings
Ranking Based On Selection: 30
Sharifa Nasreen
Metrics
H-Index
i10 Index
Citation Counts
21
35
2,694
Public Health
Epidemiology and Biostatistics
Infectious Diseases
Vaccine epidemiology
Rankings
Ranking Based On Selection: 31
Christoffer Dharma
Metrics
H-Index
i10 Index
Citation Counts
20
25
1,928
epidemiology
biostatistics
machine learning
mental heath
sexuality
Rankings
Ranking Based On Selection: 32
Abdool S Yasseen
Metrics
H-Index
i10 Index
Citation Counts
20
29
1,713
Rankings
Ranking Based On Selection: 33
Jason Xin Nie
Metrics
H-Index
i10 Index
Citation Counts
18
27
1,176
Rankings
Ranking Based On Selection: 34
Mohammad Movahedi
Metrics
H-Index
i10 Index
Citation Counts
18
26
2,498
Rankings
Ranking Based On Selection: 35
Alison Thompson
Metrics
H-Index
i10 Index
Citation Counts
18
22
1,241
Rankings
Ranking Based On Selection: 37
Isha Berry
Metrics
H-Index
i10 Index
Citation Counts
15
23
1,224
Rankings
Ranking Based On Selection: 38
Meghan Lynch
Metrics
H-Index
i10 Index
Citation Counts
15
19
1,036
public health
food insecurity
qualitative research
social media analysis
Rankings
Ranking Based On Selection: 39
Alainna J Jamal
Metrics
H-Index
i10 Index
Citation Counts
14
15
1,833
Epidemiology
Infection Prevention & Control
Multi-Drug Resistance
Gram-Negative Bacterial Infections
Emerging Infectious Dis
Rankings
Ranking Based On Selection: 40
Nicholas A Howell
Metrics
H-Index
i10 Index
Citation Counts
13
14
849
Rankings
Ranking Based On Selection: 41
Aamir Bharmal
Metrics
H-Index
i10 Index
Citation Counts
12
12
852
communicable disease control
preventive medicine
harm reduction
Rankings
Ranking Based On Selection: 42
Laura Yin Feldman
Metrics
H-Index
i10 Index
Citation Counts
11
12
740
Rankings
Ranking Based On Selection: 43
Tracy Yuen
Metrics
H-Index
i10 Index
Citation Counts
11
11
3,563
Rankings
Ranking Based On Selection: 44
Anum Irfan Khan
Metrics
H-Index
i10 Index
Citation Counts
11
11
506
Public Health
Integrated Care
Quality Improvement
Primary Care
Interprofessional Collaboration
Rankings
Ranking Based On Selection: 45
Kathleen Gloria Dobson
Metrics
H-Index
i10 Index
Citation Counts
10
12
809
longitudinal methods
psychiatric epidemiology
labor force
population health
health economics
Rankings
Ranking Based On Selection: 46
Arlinda Ruco
Metrics
H-Index
i10 Index
Citation Counts
10
10
1,684
public health
cancer screening
occupational health
health leadership
Rankings
Ranking Based On Selection: 47
Ricardo Granero
Metrics
H-Index
i10 Index
Citation Counts
10
12
487
public health
clinical epidemiology
prevention
health promotion
research methodology
Rankings
Ranking Based On Selection: 48
Sima Sajedinejad
Metrics
H-Index
i10 Index
Citation Counts
8
8
297
Public health
epidemiology
health policy
health system monitoring and evaluation
Rankings
Ranking Based On Selection: 49
Apondi J Odhiambo
Metrics
H-Index
i10 Index
Citation Counts
8
6
147
Public health
healthcare
social justice
human rights
laws and policies
Rankings
Ranking Based On Selection: 50
Earl Nowgesic
Metrics
H-Index
i10 Index
Citation Counts
7
6
525
Indigenous health
epidemiology
& social and behavioural health
Rankings
Ranking Based On Selection: 51
Caitlin Chrystoja
Metrics
H-Index
i10 Index
Citation Counts
7
6
443
clinical epidemiology
biostatistics
health services research
Rankings
Ranking Based On Selection: 52
Michael Benusic
Metrics
H-Index
i10 Index
Citation Counts
7
5
5,800
Rankings
Ranking Based On Selection: 53
Debapriya Chakraborty
Metrics
H-Index
i10 Index
Citation Counts
2
1
13
Epidemiology
Public Health
Obesity Prevention
Global Health
Noncommunicable Diseases
Rankings
Ranking Based On Selection: 54
Fil Potempski|Filip Potempski
Metrics
H-Index
i10 Index
Citation Counts
2
0
9
Rankings
Ranking Based On Selection: 55
Hany Soliman
Metrics
H-Index
i10 Index
Citation Counts
1
0
7
Rankings
Ranking Based On Selection: 56
Edris Formuli
Metrics
H-Index
i10 Index
Citation Counts
1
0
2
public health
occupational science
mental health
chronic disease
disease prevention