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" (941,641 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: 3
Lance H Baumgard
IPIC
heat stress
ISU-Animal Science
lactation
nutritional physiology
Metrics
H-Index
i10 Index
Citation
76
212
25,527
* Rankings
Ranking Based On Selection: 4
Qijing Zhang
Microbiology
antibiotic resistance
food safety
Campylobacter
AMR-consortium
Metrics
H-Index
i10 Index
Citation
71
167
15,663
* Rankings
Ranking Based On Selection: 5
Kyoung Jin Yoon
Veterinary Medicine
Viral Infectious Diseases
Diagnostic Medicine
ISU-VDPAM
IPIC
Metrics
H-Index
i10 Index
Citation
69
169
17,820
* Rankings
Ranking Based On Selection: 7
James A Roth
immunology
Veterinary infectious diseases
microbiology
IPIC
Metrics
H-Index
i10 Index
Citation
64
187
13,543

Maximize your institution's potential with our 360° Institutional Analysis Subscription and Institutional Exclusive Package, offering comprehensive insights and strategic advantages.

* Rankings
Ranking Based On Selection: 14
Suzanne Millman
Animal welfare
animal behavior
animal ethics
IPIC
ISU VDPAM
Metrics
H-Index
i10 Index
Citation
36
72
3,965
* Rankings
Ranking Based On Selection: 17
Eric R Burrough
Veterinary Pathology
Brachyspira
Swine
ISU VDPAM
Metrics
H-Index
i10 Index
Citation
31
76
4,525
* Rankings
Ranking Based On Selection: 20
Stephanie L Hansen
Mineral nutrition
ruminant nutrition
feedlot nutrition
ISU-Animal Science
Metrics
H-Index
i10 Index
Citation
30
67
3,110
* Rankings
Ranking Based On Selection: 21
Wilson K Rumbeiha
ISU-VDPAM
toxicology
veterinary toxicology
environmental toxicology
food safety toxicology
Metrics
H-Index
i10 Index
Citation
30
64
2,550
* Rankings
Ranking Based On Selection: 23
Cathy Miller
Virology
molecular biology
cellular biology
cancer
Metrics
H-Index
i10 Index
Citation
26
33
1,914
* Rankings
Ranking Based On Selection: 24
Qi Chen
veterinary
vaccine
pathology
virology
electrophysiology
Metrics
H-Index
i10 Index
Citation
25
39
2,565
* Rankings
Ranking Based On Selection: 26
Alejandro Alex Ramirez
Veterinary
Public Health
Epidemiology
Swine
ISU-VDPAM
Metrics
H-Index
i10 Index
Citation
25
43
2,790
* Rankings
Ranking Based On Selection: 28
Patrick J Gorden
ISU_VDPAM
AMR-consortium
drug residues
milking equipment
bovine medicine
Metrics
H-Index
i10 Index
Citation
24
42
2,293
* Rankings
Ranking Based On Selection: 29
Derald Holtkamp
ISU_VDPAM
PRRSV
Biosecurity
Animal Health Economics
IPIC
Metrics
H-Index
i10 Index
Citation
24
43
3,451
* Rankings
Ranking Based On Selection: 30
Bailey Wilberts Arruda
Infectious disease
diagnostics
pathology
ISU-VDPAM
IPIC
Metrics
H-Index
i10 Index
Citation
21
38
1,852
* Rankings
Ranking Based On Selection: 31
Ashenafi Feyisa Beyi
Microbiology
AMR
Metagenomics
Food safety
Veterinary Medicine
Metrics
H-Index
i10 Index
Citation
20
29
1,561
* Rankings
Ranking Based On Selection: 32
Drew Magstadt
ISU VDPAM
Veterinary Pathology
Beef Cattle
Infectious Disease
Metrics
H-Index
i10 Index
Citation
19
25
1,624
* Rankings
Ranking Based On Selection: 33
Rachel Derscheid
Veterinary Pathology
Swine Mycoplasmas
Mycoplasma hyopneumoniae ISU VDPAM
Metrics
H-Index
i10 Index
Citation
19
32
1,371
* Rankings
Ranking Based On Selection: 34
David Michael Wong
Equine
internal medicine
neonatology
critical care
Metrics
H-Index
i10 Index
Citation
19
37
1,252
* Rankings
Ranking Based On Selection: 36
Rachel Allbaugh MS Dacvo
Veterinary Ophthalmology
Ophthalmic Surgery
Ocular Therapeutics
AMR-Consortium
Metrics
H-Index
i10 Index
Citation
18
36
1,113
* Rankings
Ranking Based On Selection: 38
Terry Engelken
ISU VDPAM
Veterinary Medicine
Beef Cattle
Beef Production Efficiency
Beef Nutrition and Disease
Metrics
H-Index
i10 Index
Citation
17
23
1,053
* Rankings
Ranking Based On Selection: 41
Renee Dewell
Veterinary Medicine
Beef Cattle
Animal Welfare
ISU-VDPAM
AMR-Consortium
Metrics
H-Index
i10 Index
Citation
16
20
770
* Rankings
Ranking Based On Selection: 45
Rodney Baker
Virology
Epidemiology
Eradication
Swine
ISU-VDPAM
Metrics
H-Index
i10 Index
Citation
14
17
1,059
* Rankings
Ranking Based On Selection: 46
Amanda Fales Williams
Veterinary Anatomic Pathology
Veterinary Medical Education
Metrics
H-Index
i10 Index
Citation
13
15
452
* Rankings
Ranking Based On Selection: 48
Colin Johnson
IPIC
Swine Management
ISU-Animal Science
ultrasound
Metrics
H-Index
i10 Index
Citation
12
14
1,847
David Borts
ISU-VDPAM
Analytical Chemistry
Mass Spectrometry
Chromatography
Ambient Ionization
Metrics
H-Index
i10 Index
Citation
10
12
564
Vojtech Gabriel
Organoid
Canine
Translational Research
Veterinary Medicine
Metrics
H-Index
i10 Index
Citation
8
6
138
Susanne Je-Han Lin
Veterinary Anatomic Pathology
Infectious diseases
Oncology
Metrics
H-Index
i10 Index
Citation
5
4
72
Neil Patrick Vezeau
veterinary medicine
public health
global health
one health
antimicrobial resistance
Metrics
H-Index
i10 Index
Citation
2
1
34
Rankings
Ranking Based On Selection: 1
Patrick G Halbur
Metrics
H-Index
i10 Index
Citation Counts
87
227
27,569
Rankings
Ranking Based On Selection: 2
Max Rothschild
Metrics
H-Index
i10 Index
Citation Counts
80
352
26,826
Rankings
Ranking Based On Selection: 3
Lance H Baumgard
Metrics
H-Index
i10 Index
Citation Counts
76
212
25,527
IPIC
heat stress
ISU-Animal Science
lactation
nutritional physiology
Rankings
Ranking Based On Selection: 4
Qijing Zhang
Metrics
H-Index
i10 Index
Citation Counts
71
167
15,663
Microbiology
antibiotic resistance
food safety
Campylobacter
AMR-consortium
Rankings
Ranking Based On Selection: 5
Kyoung Jin Yoon
Metrics
H-Index
i10 Index
Citation Counts
69
169
17,820
Veterinary Medicine
Viral Infectious Diseases
Diagnostic Medicine
ISU-VDPAM
IPIC
Rankings
Ranking Based On Selection: 6
Jeffrey J Zimmerman
Metrics
H-Index
i10 Index
Citation Counts
64
184
16,582
Rankings
Ranking Based On Selection: 7
James A Roth
Metrics
H-Index
i10 Index
Citation Counts
64
187
13,543
immunology
Veterinary infectious diseases
microbiology
IPIC
Rankings
Ranking Based On Selection: 8
Phil Gauger
Metrics
H-Index
i10 Index
Citation Counts
49
149
9,456
Rankings
Ranking Based On Selection: 9
Karin Allenspach
Metrics
H-Index
i10 Index
Citation Counts
49
115
7,061
Rankings
Ranking Based On Selection: 10
Jan Shearer
Metrics
H-Index
i10 Index
Citation Counts
46
109
7,467

Maximize your institution's potential with our 360° Institutional Analysis Subscription and Institutional Exclusive Package, offering comprehensive insights and strategic advantages.

Rankings
Ranking Based On Selection: 11
Darin Madson
Metrics
H-Index
i10 Index
Citation Counts
39
66
5,191
Rankings
Ranking Based On Selection: 12
Kent Schwartz
Metrics
H-Index
i10 Index
Citation Counts
38
92
6,740
Rankings
Ranking Based On Selection: 13
Rodger Main
Metrics
H-Index
i10 Index
Citation Counts
36
68
4,393
Rankings
Ranking Based On Selection: 14
Suzanne Millman
Metrics
H-Index
i10 Index
Citation Counts
36
72
3,965
Animal welfare
animal behavior
animal ethics
IPIC
ISU VDPAM
Rankings
Ranking Based On Selection: 15
Rodney S Bagley
Metrics
H-Index
i10 Index
Citation Counts
36
84
4,731
Rankings
Ranking Based On Selection: 16
Karl Kraus
Metrics
H-Index
i10 Index
Citation Counts
32
63
6,285
Rankings
Ranking Based On Selection: 17
Eric R Burrough
Metrics
H-Index
i10 Index
Citation Counts
31
76
4,525
Rankings
Ranking Based On Selection: 18
Mark A Rasmussen
Metrics
H-Index
i10 Index
Citation Counts
31
49
3,537
Rankings
Ranking Based On Selection: 19
Pablo Piñeyro
Metrics
H-Index
i10 Index
Citation Counts
30
70
3,954
Rankings
Ranking Based On Selection: 20
Stephanie L Hansen
Metrics
H-Index
i10 Index
Citation Counts
30
67
3,110
Mineral nutrition
ruminant nutrition
feedlot nutrition
ISU-Animal Science
Rankings
Ranking Based On Selection: 21
Wilson K Rumbeiha
Metrics
H-Index
i10 Index
Citation Counts
30
64
2,550
ISU-VDPAM
toxicology
veterinary toxicology
environmental toxicology
food safety toxicology
Rankings
Ranking Based On Selection: 22
Michael Yaeger
Metrics
H-Index
i10 Index
Citation Counts
29
57
3,623
Rankings
Ranking Based On Selection: 23
Cathy Miller
Metrics
H-Index
i10 Index
Citation Counts
26
33
1,914
Rankings
Ranking Based On Selection: 24
Qi Chen
Metrics
H-Index
i10 Index
Citation Counts
25
39
2,565
veterinary
vaccine
pathology
virology
electrophysiology
Rankings
Ranking Based On Selection: 25
Cancer
Oxidative Stress
IBD
Molecular Biology
Biochemistry
Rankings
Ranking Based On Selection: 26
Alejandro Alex Ramirez
Metrics
H-Index
i10 Index
Citation Counts
25
43
2,790
Veterinary
Public Health
Epidemiology
Swine
ISU-VDPAM
Rankings
Ranking Based On Selection: 27
Leo Timms
Metrics
H-Index
i10 Index
Citation Counts
25
48
2,665
Rankings
Ranking Based On Selection: 28
Patrick J Gorden
Metrics
H-Index
i10 Index
Citation Counts
24
42
2,293
ISU_VDPAM
AMR-consortium
drug residues
milking equipment
bovine medicine
Rankings
Ranking Based On Selection: 29
Derald Holtkamp
Metrics
H-Index
i10 Index
Citation Counts
24
43
3,451
ISU_VDPAM
PRRSV
Biosecurity
Animal Health Economics
IPIC
Rankings
Ranking Based On Selection: 30
Bailey Wilberts Arruda
Metrics
H-Index
i10 Index
Citation Counts
21
38
1,852
Infectious disease
diagnostics
pathology
ISU-VDPAM
IPIC
Rankings
Ranking Based On Selection: 31
Ashenafi Feyisa Beyi
Metrics
H-Index
i10 Index
Citation Counts
20
29
1,561
Microbiology
AMR
Metagenomics
Food safety
Veterinary Medicine
Rankings
Ranking Based On Selection: 32
Drew Magstadt
Metrics
H-Index
i10 Index
Citation Counts
19
25
1,624
ISU VDPAM
Veterinary Pathology
Beef Cattle
Infectious Disease
Rankings
Ranking Based On Selection: 33
Rachel Derscheid
Metrics
H-Index
i10 Index
Citation Counts
19
32
1,371
Veterinary Pathology
Swine Mycoplasmas
Mycoplasma hyopneumoniae ISU VDPAM
Rankings
Ranking Based On Selection: 34
David Michael Wong
Metrics
H-Index
i10 Index
Citation Counts
19
37
1,252
Rankings
Ranking Based On Selection: 35
Jessica Ward
Metrics
H-Index
i10 Index
Citation Counts
18
36
1,110
Rankings
Ranking Based On Selection: 36
Rachel Allbaugh MS Dacvo
Metrics
H-Index
i10 Index
Citation Counts
18
36
1,113
Veterinary Ophthalmology
Ophthalmic Surgery
Ocular Therapeutics
AMR-Consortium
Rankings
Ranking Based On Selection: 37
Chris Rademacher
Metrics
H-Index
i10 Index
Citation Counts
17
25
1,379
Rankings
Ranking Based On Selection: 38
Terry Engelken
Metrics
H-Index
i10 Index
Citation Counts
17
23
1,053
ISU VDPAM
Veterinary Medicine
Beef Cattle
Beef Production Efficiency
Beef Nutrition and Disease
Rankings
Ranking Based On Selection: 39
David Baum
Metrics
H-Index
i10 Index
Citation Counts
16
24
1,051
Rankings
Ranking Based On Selection: 40
Jodi D Smith
Metrics
H-Index
i10 Index
Citation Counts
16
27
714
Rankings
Ranking Based On Selection: 41
Renee Dewell
Metrics
H-Index
i10 Index
Citation Counts
16
20
770
Veterinary Medicine
Beef Cattle
Animal Welfare
ISU-VDPAM
AMR-Consortium
Rankings
Ranking Based On Selection: 42
Jared Danielson
Metrics
H-Index
i10 Index
Citation Counts
16
20
938
Rankings
Ranking Based On Selection: 43
Matt Brewer
Metrics
H-Index
i10 Index
Citation Counts
15
26
975
Rankings
Ranking Based On Selection: 44
Rankings
Ranking Based On Selection: 45
Rodney Baker
Metrics
H-Index
i10 Index
Citation Counts
14
17
1,059
Rankings
Ranking Based On Selection: 46
Amanda Fales Williams
Metrics
H-Index
i10 Index
Citation Counts
13
15
452
Veterinary Anatomic Pathology
Veterinary Medical Education
Rankings
Ranking Based On Selection: 47
Dawn Koltes
Metrics
H-Index
i10 Index
Citation Counts
12
16
715
Rankings
Ranking Based On Selection: 48
Colin Johnson
Metrics
H-Index
i10 Index
Citation Counts
12
14
1,847
Rankings
Ranking Based On Selection: 49
David Borts
Metrics
H-Index
i10 Index
Citation Counts
10
12
564
ISU-VDPAM
Analytical Chemistry
Mass Spectrometry
Chromatography
Ambient Ionization
Rankings
Ranking Based On Selection: 50
Vojtech Gabriel
Metrics
H-Index
i10 Index
Citation Counts
8
6
138
Organoid
Canine
Translational Research
Veterinary Medicine
Rankings
Ranking Based On Selection: 51
Susanne Je-Han Lin
Metrics
H-Index
i10 Index
Citation Counts
5
4
72
Veterinary Anatomic Pathology
Infectious diseases
Oncology
Rankings
Ranking Based On Selection: 52
Tyler Harm
Metrics
H-Index
i10 Index
Citation Counts
4
3
64
Rankings
Ranking Based On Selection: 53
Grzegorz Tarasiuk
Metrics
H-Index
i10 Index
Citation Counts
2
1
50
Rankings
Ranking Based On Selection: 54
Neil Patrick Vezeau
Metrics
H-Index
i10 Index
Citation Counts
2
1
34
veterinary medicine
public health
global health
one health
antimicrobial resistance
Rankings
Ranking Based On Selection: 55
Morgan Murphy
Metrics
H-Index
i10 Index
Citation Counts
2
0
5
We use cookies to personalize our website and offer you a better experience. If you accept cookies, we can offer you special services.   Cookie Policy