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" (870,053 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
Karen Jaceldo-Siegl
nutritional epidemiology
cancer
cardiometabolic risk factors
public health
Metrics
H-Index
i10 Index
Citation
41
67
6,845
* Rankings
Ranking Based On Selection: 2
Steve Mifflin
neurophysiology
autonomic nervous system
cardiovascular regulation
Metrics
H-Index
i10 Index
Citation
26
42
2,340
* Rankings
Ranking Based On Selection: 6
Mark Teachout
personnel sélection
training & development
performance management
leadership
organizational development & change
Metrics
H-Index
i10 Index
Citation
17
27
3,614
* Rankings
Ranking Based On Selection: 9
Scott Roberts
Cross-cultural marketing and consumer behavior
digital media marketing
Metrics
H-Index
i10 Index
Citation
15
20
1,826
* Rankings
Ranking Based On Selection: 10
Adesegun Oyedele
Digital Marketing & Analytics
Global marketing
International entrepreneurship
Metrics
H-Index
i10 Index
Citation
14
17
835

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

* Rankings
Ranking Based On Selection: 12
Osman Özturgut
Graduate and Professional Education
International Education
Leadership
Diversity
Metrics
H-Index
i10 Index
Citation
12
14
710
* Rankings
Ranking Based On Selection: 15
Charles Steven Fermaintt
Biological Chemistry
Drug Discovery
Medicinal Chemistry
Pharmacology
Breast Cancer
Metrics
H-Index
i10 Index
Citation
10
10
400
Adeola Coker
Pharmaceutical Sciences
Biotechnology
Protein Characterization
Glycation
Design of Experiments
Metrics
H-Index
i10 Index
Citation
9
8
577
Daniel G Dominguez
program development and assessment
interprofessional education and practice
Metrics
H-Index
i10 Index
Citation
8
4
267
Yi Liu
Platform-Centric Competition
E-Business
Business Analytics
Data Mining
IT Business Value & Strategy
Metrics
H-Index
i10 Index
Citation
7
6
341
Tim Griesdorn
Financial Decision Making
Behavioral Finance
Financial Risk Tolerance
Metrics
H-Index
i10 Index
Citation
7
6
210
Rajesh Thapa
Medicinal chemistry
Organometallic Chemistry
Catalysis
Electrochemistry
Polymer Chemistry
Metrics
H-Index
i10 Index
Citation
7
5
154
Jennifer Browne
Clinical Informatics
Critical Care
Patient Safety
Metrics
H-Index
i10 Index
Citation
7
7
359
Teresa Harrison
e-recruiting & selection
e-communication
diversity
cultural values
Metrics
H-Index
i10 Index
Citation
6
6
456
Roberto Saldivar
Marketing
Corporate Social Responsibility
Cross-cultural
Metrics
H-Index
i10 Index
Citation
6
5
305
Srikanth Vemula
Explainable AI
Human Robotic Teaming
Extended Reality
Brain-Computer Interfaces
Metrics
H-Index
i10 Index
Citation
6
2
85
Trey Guinn
Human Communication
Interpersonal Relationships
Persuasion
Metrics
H-Index
i10 Index
Citation
6
6
277
Ashok Khanal
Chemical Synthesis
Surface Chemistry
Chemical Education
Mechano Chemistry
Solid Phase Synthesis
Metrics
H-Index
i10 Index
Citation
6
5
225
Norman Scott St Clair
culture
ethics
entrepreneurship
adult education
international and comparative education
Metrics
H-Index
i10 Index
Citation
6
4
155
Lale Asik
theoretical ecology
epidemiology
ecotoxicology
ecological stoichiometry
Metrics
H-Index
i10 Index
Citation
6
3
87
Raju Panta
Medical Education
Physiology
Diabetes Mellitus
Metrics
H-Index
i10 Index
Citation
5
2
72
Lucretia M Fraga
Instructional Technology
Faculty Development in HigherEd
Pedagogical practices with Technology
Metrics
H-Index
i10 Index
Citation
4
3
203
Harrison Vo
optometry
vision science
diabetic retinopathy
glaucoma
color vision
Metrics
H-Index
i10 Index
Citation
4
2
49
Deepti Kharod
nature-based learning
play
early childhood
teacher education
Metrics
H-Index
i10 Index
Citation
4
1
37
Zazil Reyes Garcia
Latina/o Communication Studies
Women's and Gender Studies
Visual Rhetoric
Metrics
H-Index
i10 Index
Citation
3
1
26
Javier Clavere
Semiotics and Pragmatism
Entrepreneurship and E-Business
Leadership and Executive Training
Music
Conflict Management and Resolution
Metrics
H-Index
i10 Index
Citation
3
0
11
Trish Driskill
ethical reasoning
critical audit matters
teaching cases
Metrics
H-Index
i10 Index
Citation
2
1
31
Tanja Stampfl
Postcolonial Literature
Arab Literature
Gender Studies
South Asian Literature
Cross-cultural encounters
Metrics
H-Index
i10 Index
Citation
2
1
29
Rick Malzyner M.Sc
Neuroscience
Psychiatry
Neurology
Molecular Biology
Cognitive Neuroscience
Metrics
H-Index
i10 Index
Citation
1
1
44
Michael Kountze
Business Management
Financial Analysis
Business Modeling
Case Study
Strategic Planning
Metrics
H-Index
i10 Index
Citation
1
0
2
Rankings
Ranking Based On Selection: 1
Karen Jaceldo-Siegl
Metrics
H-Index
i10 Index
Citation Counts
41
67
6,845
nutritional epidemiology
cancer
cardiometabolic risk factors
public health
Rankings
Ranking Based On Selection: 2
Steve Mifflin
Metrics
H-Index
i10 Index
Citation Counts
26
42
2,340
neurophysiology
autonomic nervous system
cardiovascular regulation
Rankings
Ranking Based On Selection: 3
David S Fike
Metrics
H-Index
i10 Index
Citation Counts
22
32
3,098
Rankings
Ranking Based On Selection: 4
Christopher Pierce
Metrics
H-Index
i10 Index
Citation Counts
21
24
3,718
Rankings
Ranking Based On Selection: 5
Paulo Carvalho
Metrics
H-Index
i10 Index
Citation Counts
20
25
1,170
Rankings
Ranking Based On Selection: 6
Mark Teachout
Metrics
H-Index
i10 Index
Citation Counts
17
27
3,614
personnel sélection
training & development
performance management
leadership
organizational development & change
Rankings
Ranking Based On Selection: 7
Akbar Ghiasi
Metrics
H-Index
i10 Index
Citation Counts
16
23
713
Rankings
Ranking Based On Selection: 8
Yingnan Zhang
Metrics
H-Index
i10 Index
Citation Counts
15
24
450
Rankings
Ranking Based On Selection: 9
Scott Roberts
Metrics
H-Index
i10 Index
Citation Counts
15
20
1,826
Cross-cultural marketing and consumer behavior
digital media marketing
Rankings
Ranking Based On Selection: 10
Adesegun Oyedele
Metrics
H-Index
i10 Index
Citation Counts
14
17
835
Digital Marketing & Analytics
Global marketing
International entrepreneurship

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

Rankings
Ranking Based On Selection: 11
Stephanie Grote-Garcia
Metrics
H-Index
i10 Index
Citation Counts
13
16
626
Rankings
Ranking Based On Selection: 12
Osman Özturgut
Metrics
H-Index
i10 Index
Citation Counts
12
14
710
Graduate and Professional Education
International Education
Leadership
Diversity
Rankings
Ranking Based On Selection: 13
Maria Felix-Ortiz
Metrics
H-Index
i10 Index
Citation Counts
12
12
1,899
Rankings
Ranking Based On Selection: 14
David Vequist
Metrics
H-Index
i10 Index
Citation Counts
11
11
602
Rankings
Ranking Based On Selection: 15
Charles Steven Fermaintt
Metrics
H-Index
i10 Index
Citation Counts
10
10
400
Biological Chemistry
Drug Discovery
Medicinal Chemistry
Pharmacology
Breast Cancer
Rankings
Ranking Based On Selection: 16
Bridget Ford
Metrics
H-Index
i10 Index
Citation Counts
9
9
986
diabetes
reactive oxygen species
diabetic nephropathy
Rankings
Ranking Based On Selection: 17
Vascular and endovascular surgery
Rankings
Ranking Based On Selection: 18
Adeola Coker
Metrics
H-Index
i10 Index
Citation Counts
9
8
577
Pharmaceutical Sciences
Biotechnology
Protein Characterization
Glycation
Design of Experiments
Rankings
Ranking Based On Selection: 19
Inci Yilmazli Trout
Metrics
H-Index
i10 Index
Citation Counts
8
5
204
Rankings
Ranking Based On Selection: 20
Annette Craven
Metrics
H-Index
i10 Index
Citation Counts
8
7
258
Rankings
Ranking Based On Selection: 21
Daniel G Dominguez
Metrics
H-Index
i10 Index
Citation Counts
8
4
267
program development and assessment
interprofessional education and practice
Rankings
Ranking Based On Selection: 22
Yi Liu
Metrics
H-Index
i10 Index
Citation Counts
7
6
341
Platform-Centric Competition
E-Business
Business Analytics
Data Mining
IT Business Value & Strategy
Rankings
Ranking Based On Selection: 23
Brian Foutch
Metrics
H-Index
i10 Index
Citation Counts
7
7
339
Rankings
Ranking Based On Selection: 24
Tim Griesdorn
Metrics
H-Index
i10 Index
Citation Counts
7
6
210
Financial Decision Making
Behavioral Finance
Financial Risk Tolerance
Rankings
Ranking Based On Selection: 25
Rajesh Thapa
Metrics
H-Index
i10 Index
Citation Counts
7
5
154
Medicinal chemistry
Organometallic Chemistry
Catalysis
Electrochemistry
Polymer Chemistry
Rankings
Ranking Based On Selection: 26
Mat Garber
Metrics
H-Index
i10 Index
Citation Counts
7
7
936
Rankings
Ranking Based On Selection: 27
Jennifer Browne
Metrics
H-Index
i10 Index
Citation Counts
7
7
359
Clinical Informatics
Critical Care
Patient Safety
Rankings
Ranking Based On Selection: 28
Teresa Harrison
Metrics
H-Index
i10 Index
Citation Counts
6
6
456
e-recruiting & selection
e-communication
diversity
cultural values
Rankings
Ranking Based On Selection: 29
Roberto Saldivar
Metrics
H-Index
i10 Index
Citation Counts
6
5
305
Marketing
Corporate Social Responsibility
Cross-cultural
Rankings
Ranking Based On Selection: 30
Srikanth Vemula
Metrics
H-Index
i10 Index
Citation Counts
6
2
85
Explainable AI
Human Robotic Teaming
Extended Reality
Brain-Computer Interfaces
Rankings
Ranking Based On Selection: 31
Trey Guinn
Metrics
H-Index
i10 Index
Citation Counts
6
6
277
Human Communication
Interpersonal Relationships
Persuasion
Rankings
Ranking Based On Selection: 32
Ashok Khanal
Metrics
H-Index
i10 Index
Citation Counts
6
5
225
Chemical Synthesis
Surface Chemistry
Chemical Education
Mechano Chemistry
Solid Phase Synthesis
Rankings
Ranking Based On Selection: 33
Norman Scott St Clair
Metrics
H-Index
i10 Index
Citation Counts
6
4
155
culture
ethics
entrepreneurship
adult education
international and comparative education
Rankings
Ranking Based On Selection: 34
Lale Asik
Metrics
H-Index
i10 Index
Citation Counts
6
3
87
theoretical ecology
epidemiology
ecotoxicology
ecological stoichiometry
Rankings
Ranking Based On Selection: 35
Rachel T Walker
Metrics
H-Index
i10 Index
Citation Counts
6
5
162
Rankings
Ranking Based On Selection: 36
Alicia Rubio
Metrics
H-Index
i10 Index
Citation Counts
6
4
126
Rankings
Ranking Based On Selection: 37
Shandra Esparza
Metrics
H-Index
i10 Index
Citation Counts
5
3
94
Rankings
Ranking Based On Selection: 38
Raju Panta
Metrics
H-Index
i10 Index
Citation Counts
5
2
72
Medical Education
Physiology
Diabetes Mellitus
Rankings
Ranking Based On Selection: 39
Suleyman Tek
Metrics
H-Index
i10 Index
Citation Counts
5
1
59
Rankings
Ranking Based On Selection: 40
Lucretia M Fraga
Metrics
H-Index
i10 Index
Citation Counts
4
3
203
Instructional Technology
Faculty Development in HigherEd
Pedagogical practices with Technology
Rankings
Ranking Based On Selection: 41
Harrison Vo
Metrics
H-Index
i10 Index
Citation Counts
4
2
49
optometry
vision science
diabetic retinopathy
glaucoma
color vision
Rankings
Ranking Based On Selection: 42
Rafael J Deliz
Metrics
H-Index
i10 Index
Citation Counts
4
0
38
Rankings
Ranking Based On Selection: 43
Deepti Kharod
Metrics
H-Index
i10 Index
Citation Counts
4
1
37
nature-based learning
play
early childhood
teacher education
Rankings
Ranking Based On Selection: 44
Diana Garza
Metrics
H-Index
i10 Index
Citation Counts
4
2
40
Rankings
Ranking Based On Selection: 45
Ron Washington
Metrics
H-Index
i10 Index
Citation Counts
3
2
616
Rankings
Ranking Based On Selection: 46
Soheila Sadeghi
Metrics
H-Index
i10 Index
Citation Counts
3
2
31
Leadership
Business Management
Artificial Intelligence
Finance
Rankings
Ranking Based On Selection: 47
Sarah E Luna
Metrics
H-Index
i10 Index
Citation Counts
3
1
32
Rankings
Ranking Based On Selection: 48
Zazil Reyes Garcia
Metrics
H-Index
i10 Index
Citation Counts
3
1
26
Latina/o Communication Studies
Women's and Gender Studies
Visual Rhetoric
Rankings
Ranking Based On Selection: 49
Jakob Karl Rinderknecht
Metrics
H-Index
i10 Index
Citation Counts
3
0
26
Theology
sacraments
cognitive linguistics
metaphor
ecumenism
Rankings
Ranking Based On Selection: 50
Elda Martinez
Metrics
H-Index
i10 Index
Citation Counts
3
2
231
Rankings
Ranking Based On Selection: 51
Javier Clavere
Metrics
H-Index
i10 Index
Citation Counts
3
0
11
Semiotics and Pragmatism
Entrepreneurship and E-Business
Leadership and Executive Training
Music
Conflict Management and Resolution
Rankings
Ranking Based On Selection: 52
Amy Wagner
Metrics
H-Index
i10 Index
Citation Counts
2
2
95
Rankings
Ranking Based On Selection: 54
Trish Driskill
Metrics
H-Index
i10 Index
Citation Counts
2
1
31
ethical reasoning
critical audit matters
teaching cases
Rankings
Ranking Based On Selection: 55
Tanja Stampfl
Metrics
H-Index
i10 Index
Citation Counts
2
1
29
Postcolonial Literature
Arab Literature
Gender Studies
South Asian Literature
Cross-cultural encounters
Rankings
Ranking Based On Selection: 56
Christopher Ardueser
Metrics
H-Index
i10 Index
Citation Counts
2
1
14
Rankings
Ranking Based On Selection: 57
Jose Antonio Valles
Metrics
H-Index
i10 Index
Citation Counts
2
1
19
Rankings
Ranking Based On Selection: 58
Rick Malzyner M.Sc
Metrics
H-Index
i10 Index
Citation Counts
1
1
44
Neuroscience
Psychiatry
Neurology
Molecular Biology
Cognitive Neuroscience
Rankings
Ranking Based On Selection: 59
Jeannette Wong-Powell
Metrics
H-Index
i10 Index
Citation Counts
1
1
29
Rankings
Ranking Based On Selection: 60
Michael Kountze
Metrics
H-Index
i10 Index
Citation Counts
1
0
2
Business Management
Financial Analysis
Business Modeling
Case Study
Strategic Planning
Rankings
Ranking Based On Selection: 61
Scott Dittloff
Metrics
H-Index
i10 Index
Citation Counts
1
0
1
Rankings
Ranking Based On Selection: 62
Ernie Ayala
Metrics
H-Index
i10 Index
Citation Counts
1
0
1
Rankings
Ranking Based On Selection: 63
Vidya Ananthanarayanan
Metrics
H-Index
i10 Index
Citation Counts
1
0
1
E-Learning
Cross-cultural Studies
Leadership