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 rankings in world, region, country, and university are in Beta version and are subject to real-time updates, since the subject field “Others” (1,121,279 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded. These rankings will dynamically evolve in real time as the “Others” profiles are revised and classified. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 1
George Iwama
fish physiology
environmental stressor
Metrics
 
H-Index
i10 Index
Citation
67
140
19,414
* Rankings
Ranking Based On Selection: 2
Azwin Hazrina Ahmad
Artificial Intelligence
Technopreneurship
Safety Engineerin
Metrics
 
H-Index
i10 Index
Citation
39
102
6,767
* Rankings
Ranking Based On Selection: 3
Aman Shah Abdul Majid
Clinical research
natural product screening and development
angiogenesis
cell signaling and transduction
neuroprotectio
Metrics
 
H-Index
i10 Index
Citation
29
50
2,867
* Rankings
Ranking Based On Selection: 5
Mai Yasue
Conservation
Education
Agriculture
MPA
Fisherie
Metrics
 
H-Index
i10 Index
Citation
21
33
2,412
* Rankings
Ranking Based On Selection: 7
Paran Gani
Civil & Environmental Engineering/Technology
Microalgae wastewater
Phycoremediation
Renewable energy
Biomass and Bioenerg
Metrics
 
H-Index
i10 Index
Citation
19
31
1,229
* Rankings
Ranking Based On Selection: 8
Vijay Kotra
Design and synthesis of novel anti-cancer agent
Metrics
 
H-Index
i10 Index
Citation
18
28
1,179
* Rankings
Ranking Based On Selection: 9
Siew Phaik Loke
Business Strategy
Interfirm Collaboration
Supply Chain
Metrics
 
H-Index
i10 Index
Citation
17
25
1,741
* Rankings
Ranking Based On Selection: 10
Lam Hong Lee
Machine Learning
Data Mining
Intelligent System
Metrics
 
H-Index
i10 Index
Citation
17
18
2,578
* Rankings
Ranking Based On Selection: 11
Ranjetta Poobathy
Agriculture
Plant Biotechnology
Plant Conservation
Cryopreservation
Micropropagatio
Metrics
 
H-Index
i10 Index
Citation
16
23
513
* Rankings
Ranking Based On Selection: 13
Ebrahim Nkc
Functional electrical stimulation
neurophysiology
reproductive endocrinologyeb
Metrics
 
H-Index
i10 Index
Citation
15
18
815
* Rankings
Ranking Based On Selection: 14
Tse Lynn Loh
Protected Areas
Nature Conservation
Community Science
BioD Monitoring
Conservation Biolog
Metrics
 
H-Index
i10 Index
Citation
15
19
1,050
* Rankings
Ranking Based On Selection: 18
Bhupinder Kaur
Food Processing
Starch modification
Food Analysis
Food Scienc
Metrics
 
H-Index
i10 Index
Citation
9
9
1,673
* Rankings
Ranking Based On Selection: 19
Tina Lim Swee Kim
mobile learning
e-learning
teacher education
professional developmen
Metrics
 
H-Index
i10 Index
Citation
8
8
423
* Rankings
Ranking Based On Selection: 20
Jonathan Warner
Development economics (capabilities approach)
community curencies
story and economics
uncertaint
Metrics
 
H-Index
i10 Index
Citation
8
5
1,352
* Rankings
Ranking Based On Selection: 21
Robert Perkins
chemical educatio
Metrics
 
H-Index
i10 Index
Citation
8
8
411
* Rankings
Ranking Based On Selection: 22
Tobias C. Van Veen
Communication studies
critical media theory
speculative race theory
philosophy of technology
posthumanis
Metrics
 
H-Index
i10 Index
Citation
7
6
167
* Rankings
Ranking Based On Selection: 23
Khangwei Ong
Diabetes Mellitus
Cancer
Traditional Medicin
Metrics
 
H-Index
i10 Index
Citation
5
5
1,072
* Rankings
Ranking Based On Selection: 24
Teng Heng Chan
hr practices on attraction
motivation and retentio
change management
quality management practices
Metrics
 
H-Index
i10 Index
Citation
4
4
984
Rankings
Ranking Based On Selection: 1
George Iwama
Metrics
 
H-Index
i10 Index
Citation Counts
67
140
19,414
Rankings
Ranking Based On Selection: 2
Azwin Hazrina Ahmad
Metrics
 
H-Index
i10 Index
Citation Counts
39
102
6,767
Artificial Intelligence
Technopreneurship
Safety Engineerin
Rankings
Ranking Based On Selection: 3
Aman Shah Abdul Majid
Metrics
 
H-Index
i10 Index
Citation Counts
29
50
2,867
Clinical research
natural product screening and development
angiogenesis
cell signaling and transduction
neuroprotectio
Rankings
Ranking Based On Selection: 4
Thor Veen
Metrics
 
H-Index
i10 Index
Citation Counts
23
33
2,698
Rankings
Ranking Based On Selection: 5
Mai Yasue
Metrics
 
H-Index
i10 Index
Citation Counts
21
33
2,412
Conservation
Education
Agriculture
MPA
Fisherie
Rankings
Ranking Based On Selection: 6
Marjorie Wonham
Metrics
 
H-Index
i10 Index
Citation Counts
21
25
8,416
Rankings
Ranking Based On Selection: 7
Paran Gani
Metrics
 
H-Index
i10 Index
Citation Counts
19
31
1,229
Civil & Environmental Engineering/Technology
Microalgae wastewater
Phycoremediation
Renewable energy
Biomass and Bioenerg
Rankings
Ranking Based On Selection: 8
Vijay Kotra
Metrics
 
H-Index
i10 Index
Citation Counts
18
28
1,179
Design and synthesis of novel anti-cancer agent
Rankings
Ranking Based On Selection: 9
Siew Phaik Loke
Metrics
 
H-Index
i10 Index
Citation Counts
17
25
1,741
Business Strategy
Interfirm Collaboration
Supply Chain
Rankings
Ranking Based On Selection: 10
Lam Hong Lee
Metrics
 
H-Index
i10 Index
Citation Counts
17
18
2,578
Rankings
Ranking Based On Selection: 11
Ranjetta Poobathy
Metrics
 
H-Index
i10 Index
Citation Counts
16
23
513
Agriculture
Plant Biotechnology
Plant Conservation
Cryopreservation
Micropropagatio
Rankings
Ranking Based On Selection: 12
Nik Athirah Yusoff
Metrics
 
H-Index
i10 Index
Citation Counts
15
19
708
Rankings
Ranking Based On Selection: 13
Ebrahim Nkc
Metrics
 
H-Index
i10 Index
Citation Counts
15
18
815
Functional electrical stimulation
neurophysiology
reproductive endocrinologyeb
Rankings
Ranking Based On Selection: 14
Tse Lynn Loh
Metrics
 
H-Index
i10 Index
Citation Counts
15
19
1,050
Protected Areas
Nature Conservation
Community Science
BioD Monitoring
Conservation Biolog
Rankings
Ranking Based On Selection: 15
Gnanasekaran Ashok
Metrics
 
H-Index
i10 Index
Citation Counts
14
17
1,116
Rankings
Ranking Based On Selection: 16
Glen Van Brummelen
Metrics
 
H-Index
i10 Index
Citation Counts
11
12
984
Rankings
Ranking Based On Selection: 17
Yee-Wai Sim
Metrics
 
H-Index
i10 Index
Citation Counts
11
12
495
Rankings
Ranking Based On Selection: 18
Bhupinder Kaur
Metrics
 
H-Index
i10 Index
Citation Counts
9
9
1,673
Food Processing
Starch modification
Food Analysis
Food Scienc
Rankings
Ranking Based On Selection: 19
Tina Lim Swee Kim
Metrics
 
H-Index
i10 Index
Citation Counts
8
8
423
mobile learning
e-learning
teacher education
professional developmen
Rankings
Ranking Based On Selection: 20
Jonathan Warner
Metrics
 
H-Index
i10 Index
Citation Counts
8
5
1,352
Development economics (capabilities approach)
community curencies
story and economics
uncertaint
Rankings
Ranking Based On Selection: 21
Robert Perkins
Metrics
 
H-Index
i10 Index
Citation Counts
8
8
411
Rankings
Ranking Based On Selection: 22
Tobias C. Van Veen
Metrics
 
H-Index
i10 Index
Citation Counts
7
6
167
Communication studies
critical media theory
speculative race theory
philosophy of technology
posthumanis
Rankings
Ranking Based On Selection: 23
Khangwei Ong
Metrics
 
H-Index
i10 Index
Citation Counts
5
5
1,072
Diabetes Mellitus
Cancer
Traditional Medicin
Rankings
Ranking Based On Selection: 24
Teng Heng Chan
Metrics
 
H-Index
i10 Index
Citation Counts
4
4
984
hr practices on attraction
motivation and retentio
change management
quality management practices