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 :1
Timothy Phillips
toxicology
environmental pollutants
mycotoxins
public health
Metrics
H-Index
i10 Index
Citation
79
264
23,777
Paul S Morley
Epidemiology
Infectious Diseases
Antimicrobial Resistance
Veterinary Internal Medicine
Infection Control
Metrics
H-Index
i10 Index
Citation
64
201
13,064
Jean Brender
Environmental Epidemiology and the Epidemiology of Birth Defects
Metrics
H-Index
i10 Index
Citation
37
61
6,562
Lei Zou
GIScience
Social Sensing
GeoAI
Disaster Resilience
Public Health
Metrics
H-Index
i10 Index
Citation
25
31
2,135
Ping Ma
Health Disparities
Social/Environmental Determinants of Health
Maternal & Child Health
Smoking cessation
heal
Metrics
H-Index
i10 Index
Citation
24
39
3,384
Keri Norman
epidemiology
foodborne pathogens
Salmonella
antimicrobial resistance
molecular epidemiology
Metrics
H-Index
i10 Index
Citation
17
25
928
* Rankings
Ranking Based On Selection :13
Bryan Bayles
public health
medical anthropology
chronic disease
epidemiology
medicine
Metrics
H-Index
i10 Index
Citation
10
10
687
Janae Alexander
Public Health
Type 2 Diabetes Prevention and Management
Health Disparities
College Student Health
Adolescent Health
Metrics
H-Index
i10 Index
Citation
2
1
19
Rankings
Ranking Based On Selection: 1
Timothy Phillips
Metrics
H-Index
i10 Index
Citation Counts
79
264
23,777
toxicology
environmental pollutants
mycotoxins
public health
Rankings
Ranking Based On Selection: 2
Paul S Morley
Metrics
H-Index
i10 Index
Citation Counts
64
201
13,064
Epidemiology
Infectious Diseases
Antimicrobial Resistance
Veterinary Internal Medicine
Infection Control
Rankings
Ranking Based On Selection: 3
Christine Budke
Metrics
H-Index
i10 Index
Citation Counts
48
101
37,436
Rankings
Ranking Based On Selection: 4
Jay Maddock
Metrics
H-Index
i10 Index
Citation Counts
44
109
7,713
Rankings
Ranking Based On Selection: 5
Jean Brender
Metrics
H-Index
i10 Index
Citation Counts
37
61
6,562
Environmental Epidemiology and the Epidemiology of Birth Defects
Rankings
Ranking Based On Selection: 6
Scott Horel
Metrics
H-Index
i10 Index
Citation Counts
27
33
3,310
Rankings
Ranking Based On Selection: 7
Lei Zou
Metrics
H-Index
i10 Index
Citation Counts
25
31
2,135
GIScience
Social Sensing
GeoAI
Disaster Resilience
Public Health
Rankings
Ranking Based On Selection: 8
Ping Ma
Metrics
H-Index
i10 Index
Citation Counts
24
39
3,384
Health Disparities
Social/Environmental Determinants of Health
Maternal & Child Health
Smoking cessation
heal
Rankings
Ranking Based On Selection: 9
Keri Norman
Metrics
H-Index
i10 Index
Citation Counts
17
25
928
epidemiology
foodborne pathogens
Salmonella
antimicrobial resistance
molecular epidemiology
Rankings
Ranking Based On Selection: 10
Taehyun Roh
Metrics
H-Index
i10 Index
Citation Counts
17
19
1,223
Rankings
Ranking Based On Selection: 12
Adam Pickens
Metrics
H-Index
i10 Index
Citation Counts
12
12
675
Rankings
Ranking Based On Selection: 13
Bryan Bayles
Metrics
H-Index
i10 Index
Citation Counts
10
10
687
public health
medical anthropology
chronic disease
epidemiology
medicine
Rankings
Ranking Based On Selection: 14
Janae Alexander
Metrics
H-Index
i10 Index
Citation Counts
2
1
19
Public Health
Type 2 Diabetes Prevention and Management
Health Disparities
College Student Health
Adolescent Health