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" (873,688 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
Dirk U Pfeiffer
veterinary epidemiology
animal health policy
one health
spatial analysis
risk analysis
Metrics
H-Index
i10 Index
Citation
84
353
32,536
* Rankings
Ranking Based On Selection: 2
Olivier Sparagano
animal and human health
Parasitology
Vector-borne diseases
Vaccine Development
Metrics
H-Index
i10 Index
Citation
48
134
7,538
* Rankings
Ranking Based On Selection: 3
Alan G Mcelligott
Animal Behaviour
Animal Welfare
Precision Livestock Farming
Public Attitudes to Animal Welfare and Sentience
Metrics
H-Index
i10 Index
Citation
40
69
4,549
* Rankings
Ranking Based On Selection: 4
Dal Young Kim
arboviruses
veterinary virology
emerging infectious diseases
Metrics
H-Index
i10 Index
Citation
20
20
1,763
Syed Saad Ul Hassan Bukhari
Veterinary Clinics
Biostatistics
Animal Welfare
Working Equids
Equine Biomechanics
Metrics
H-Index
i10 Index
Citation
6
4
118
Sergio Guerrero Sanchez
Conservation
wildlife health
Ecology
emerging infectious diseases
veterinary medicine
Metrics
H-Index
i10 Index
Citation
6
4
110
Rankings
Ranking Based On Selection: 1
Dirk U Pfeiffer
Metrics
H-Index
i10 Index
Citation Counts
84
353
32,536
veterinary epidemiology
animal health policy
one health
spatial analysis
risk analysis
Rankings
Ranking Based On Selection: 2
Olivier Sparagano
Metrics
H-Index
i10 Index
Citation Counts
48
134
7,538
animal and human health
Parasitology
Vector-borne diseases
Vaccine Development
Rankings
Ranking Based On Selection: 3
Alan G Mcelligott
Metrics
H-Index
i10 Index
Citation Counts
40
69
4,549
Animal Behaviour
Animal Welfare
Precision Livestock Farming
Public Attitudes to Animal Welfare and Sentience
Rankings
Ranking Based On Selection: 4
Dal Young Kim
Metrics
H-Index
i10 Index
Citation Counts
20
20
1,763
arboviruses
veterinary virology
emerging infectious diseases
Rankings
Ranking Based On Selection: 5
Ioannis Magouras
Metrics
H-Index
i10 Index
Citation Counts
18
19
1,106
Rankings
Ranking Based On Selection: 6
Stefan Hobi
Metrics
H-Index
i10 Index
Citation Counts
10
11
659
Rankings
Ranking Based On Selection: 7
Syed Saad Ul Hassan Bukhari
Metrics
H-Index
i10 Index
Citation Counts
6
4
118
Veterinary Clinics
Biostatistics
Animal Welfare
Working Equids
Equine Biomechanics
Rankings
Ranking Based On Selection: 8
Sergio Guerrero Sanchez
Metrics
H-Index
i10 Index
Citation Counts
6
4
110
Conservation
wildlife health
Ecology
emerging infectious diseases
veterinary medicine