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" (875,720 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
P Ravi Shankar|Shankar PR, Shankar P Ravi, Ravi P Shankar
Rational use of medicines
medical education
medical humanities
Metrics
H-Index
i10 Index
Citation
49
196
10,313
* Rankings
Ranking Based On Selection: 2
Manisha Pandey
Novel drug delivery system
Metrics
H-Index
i10 Index
Citation
44
89
6,223
* Rankings
Ranking Based On Selection: 4
Jade Chow
bone
skin cancer
medical education
Metrics
H-Index
i10 Index
Citation
30
46
4,644
* Rankings
Ranking Based On Selection: 8
Vishna Devi Nadarajah
Medical and Health Professionals Education
Neuromuscular Disorders
Bacillus thuringiensis proteins
Clinical serum biomarkers
Metrics
H-Index
i10 Index
Citation
25
48
3,110
* Rankings
Ranking Based On Selection: 9
Jestin Chellian
Diabetes
Cardiovascular biology
Metrics
H-Index
i10 Index
Citation
20
28
1,338

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* Rankings
Ranking Based On Selection: 11
Sook Yee Gan
Alzheimer's disease
Algal natural product
miRNA in cancer research
Metrics
H-Index
i10 Index
Citation
18
23
1,195
* Rankings
Ranking Based On Selection: 13
Serene En Hui Tung
Childhood & Adolescent Nutrition
Food Security
Anaemia
Cognitive Function
Behavioural Addiction
Metrics
H-Index
i10 Index
Citation
13
14
612
* Rankings
Ranking Based On Selection: 15
Mohammad Arshad Ikram
Simulation-Based Medical Education
Metrics
H-Index
i10 Index
Citation
13
16
1,081
* Rankings
Ranking Based On Selection: 17
Poh Sin Yap
Environmental Epidemiology
Metrics
H-Index
i10 Index
Citation
11
11
900
* Rankings
Ranking Based On Selection: 19
Yi Yi Lee
Physical Activity
Nutritional Assessment
Anthropometry
Kinanthropometry
Obesity
Metrics
H-Index
i10 Index
Citation
9
9
336
* Rankings
Ranking Based On Selection: 20
Phyu Synn Oo
cancer
mitochondria
hormone
estrogen
cell cycle
Metrics
H-Index
i10 Index
Citation
8
8
195
* Rankings
Ranking Based On Selection: 22
Sunil Pazhayanur Venkateswaran
Research in Haematology and Cancer Pathology
Assessment
Health Professions Education
Metrics
H-Index
i10 Index
Citation
7
7
152
* Rankings
Ranking Based On Selection: 25
Jaiprakash Mohanraj
Professionalism
Teaching & Learning
Leptin
Free Radicals
Quatum Biology
Metrics
H-Index
i10 Index
Citation
7
3
139
* Rankings
Ranking Based On Selection: 26
Peinee Chong
Nutrigenetic
nutrigenomic
nutraceutical ingredient
Metrics
H-Index
i10 Index
Citation
7
6
130
Huma Shahzad
System Physiology
Endocrinology
Bioactive molecules
Medical education
Metrics
H-Index
i10 Index
Citation
6
6
159
Kim Sia Sng
Chinese Medicine
Acupuncture
Herbal Medicine
Osteopathology
Osteoarthritis
Metrics
H-Index
i10 Index
Citation
5
4
103
Wai Keat Yam
Structural Bioinformatics
molecular modelling
molecular dynamics simulation
Metrics
H-Index
i10 Index
Citation
5
4
151
Zheng Syuen Lim
Algal physiology
bioremediation
polar research
ecotoxicology
environmental study
Metrics
H-Index
i10 Index
Citation
4
4
167
Prasanthi Sri
Transdermal drug delivery system
Formulation sciences
Pharmaceutical analysis
Natural product
Metrics
H-Index
i10 Index
Citation
4
1
39
* Rankings
Ranking Based On Selection: 41
Adel I. Ahmaida A-Tawaty
Celiac disease
IBD
Health Professional Education
Metrics
H-Index
i10 Index
Citation
3
2
178
Gaik Kin Teoh
Qualitative study
ageing study
community-based participatory research
marriage and family
Metrics
H-Index
i10 Index
Citation
3
2
52
Hemavathy Subramaiam
Oncology
Immunology
Neuroimmunology
Metrics
H-Index
i10 Index
Citation
3
3
101
Amiyah Bismelah
microbiology
cancer research
natural products
Metrics
H-Index
i10 Index
Citation
3
2
33
Wen Cong Gan
Toxicology
Algae Biotechnology
Metrics
H-Index
i10 Index
Citation
2
2
64
Veasuvalingam Bhavani
Workplace-based Assessment and Work place teaching
Metrics
H-Index
i10 Index
Citation
2
2
42
Hon Foong Wong
Chinese Medicine
History of Medicine
Metrics
H-Index
i10 Index
Citation
2
0
14
Radha Maniam
Renal
Chronic Kidney Disease
Hemodialysis
End of life
Metrics
H-Index
i10 Index
Citation
1
1
90
Supathiratheavy Rasiah
Health Informatics
Type 2 Diabetes Mellitus
medical education
trust in healthcare
empathy
Metrics
H-Index
i10 Index
Citation
1
1
70
Vinny Tan
Breast milk
microbiology
food microbiology
public health
biostatistics
Metrics
H-Index
i10 Index
Citation
1
0
7
* Rankings
Ranking Based On Selection: 63
Amina Alshekteria
community medicine -research methodology- epidemiology- nutrition- health administration and management -health care quality -
Metrics
H-Index
i10 Index
Citation
1
0
5
Wong Zhi Hang 王智航
Chinese Medicine
Rheumatology
中医药
风湿病
Metrics
H-Index
i10 Index
Citation
1
0
4
Chin Koon Poh
Gender
Psychoanalysis
Culture
Supernatural
Metrics
H-Index
i10 Index
Citation
1
0
1
Rankings
Ranking Based On Selection: 1
P Ravi Shankar|Shankar PR, Shankar P Ravi, Ravi P Shankar
Metrics
H-Index
i10 Index
Citation Counts
49
196
10,313
Rational use of medicines
medical education
medical humanities
Rankings
Ranking Based On Selection: 2
Manisha Pandey
Metrics
H-Index
i10 Index
Citation Counts
44
89
6,223
Novel drug delivery system
Rankings
Ranking Based On Selection: 3
Wan Loy Chu
Metrics
H-Index
i10 Index
Citation Counts
30
49
3,883
Rankings
Ranking Based On Selection: 4
Jade Chow
Metrics
H-Index
i10 Index
Citation Counts
30
46
4,644
bone
skin cancer
medical education
Rankings
Ranking Based On Selection: 5
Chia Siang Kow
Metrics
H-Index
i10 Index
Citation Counts
27
65
2,952
Rankings
Ranking Based On Selection: 6
Chee Wss
Metrics
H-Index
i10 Index
Citation Counts
27
41
3,340
Rankings
Ranking Based On Selection: 7
RH un Yian Koh
Metrics
H-Index
i10 Index
Citation Counts
25
52
2,526
Rankings
Ranking Based On Selection: 8
Vishna Devi Nadarajah
Metrics
H-Index
i10 Index
Citation Counts
25
48
3,110
Medical and Health Professionals Education
Neuromuscular Disorders
Bacillus thuringiensis proteins
Clinical serum biomarkers
Rankings
Ranking Based On Selection: 9
Jestin Chellian
Metrics
H-Index
i10 Index
Citation Counts
20
28
1,338
Diabetes
Cardiovascular biology
Rankings
Ranking Based On Selection: 10
Yoon Yee Then
Metrics
H-Index
i10 Index
Citation Counts
19
26
1,514

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
Sook Yee Gan
Metrics
H-Index
i10 Index
Citation Counts
18
23
1,195
Alzheimer's disease
Algal natural product
miRNA in cancer research
Rankings
Ranking Based On Selection: 12
Lee Choy Sin
Metrics
H-Index
i10 Index
Citation Counts
14
15
815
Rankings
Ranking Based On Selection: 13
Serene En Hui Tung
Metrics
H-Index
i10 Index
Citation Counts
13
14
612
Childhood & Adolescent Nutrition
Food Security
Anaemia
Cognitive Function
Behavioural Addiction
Rankings
Ranking Based On Selection: 14
Zuhir Bodalal
Metrics
H-Index
i10 Index
Citation Counts
13
14
787
Rankings
Ranking Based On Selection: 15
Mohammad Arshad Ikram
Metrics
H-Index
i10 Index
Citation Counts
13
16
1,081
Simulation-Based Medical Education
Rankings
Ranking Based On Selection: 16
Kok Whye Cheong
Metrics
H-Index
i10 Index
Citation Counts
12
13
625
Rankings
Ranking Based On Selection: 17
Poh Sin Yap
Metrics
H-Index
i10 Index
Citation Counts
11
11
900
Environmental Epidemiology
Rankings
Ranking Based On Selection: 18
Ing H Ooi|IH Ooi, Ooi IH
Metrics
H-Index
i10 Index
Citation Counts
10
11
277
Rankings
Ranking Based On Selection: 19
Yi Yi Lee
Metrics
H-Index
i10 Index
Citation Counts
9
9
336
Physical Activity
Nutritional Assessment
Anthropometry
Kinanthropometry
Obesity
Rankings
Ranking Based On Selection: 20
Phyu Synn Oo
Metrics
H-Index
i10 Index
Citation Counts
8
8
195
cancer
mitochondria
hormone
estrogen
cell cycle
Rankings
Ranking Based On Selection: 21
Suresh Kumar
Metrics
H-Index
i10 Index
Citation Counts
8
7
174
Rankings
Ranking Based On Selection: 22
Sunil Pazhayanur Venkateswaran
Metrics
H-Index
i10 Index
Citation Counts
7
7
152
Research in Haematology and Cancer Pathology
Assessment
Health Professions Education
Rankings
Ranking Based On Selection: 23
E Lyn Lee
Metrics
H-Index
i10 Index
Citation Counts
7
6
175
Rankings
Ranking Based On Selection: 24
Kenneth Reckelhoff
Metrics
H-Index
i10 Index
Citation Counts
7
5
101
Rankings
Ranking Based On Selection: 25
Jaiprakash Mohanraj
Metrics
H-Index
i10 Index
Citation Counts
7
3
139
Professionalism
Teaching & Learning
Leptin
Free Radicals
Quatum Biology
Rankings
Ranking Based On Selection: 26
Peinee Chong
Metrics
H-Index
i10 Index
Citation Counts
7
6
130
Nutrigenetic
nutrigenomic
nutraceutical ingredient
Rankings
Ranking Based On Selection: 27
Brinnell Annette Caszo
Metrics
H-Index
i10 Index
Citation Counts
7
4
219
Medical Science
Human Performance
Rankings
Ranking Based On Selection: 28
Kok Keong Chan
Metrics
H-Index
i10 Index
Citation Counts
7
4
175
Rankings
Ranking Based On Selection: 29
Abdulmuez Abdulmalik
Metrics
H-Index
i10 Index
Citation Counts
6
6
935
Rankings
Ranking Based On Selection: 30
Huma Shahzad
Metrics
H-Index
i10 Index
Citation Counts
6
6
159
System Physiology
Endocrinology
Bioactive molecules
Medical education
Rankings
Ranking Based On Selection: 31
Adel Ahmaidaal-Tawaty
Metrics
H-Index
i10 Index
Citation Counts
6
5
321
Rankings
Ranking Based On Selection: 32
Kim Sia Sng
Metrics
H-Index
i10 Index
Citation Counts
5
4
103
Chinese Medicine
Acupuncture
Herbal Medicine
Osteopathology
Osteoarthritis
Rankings
Ranking Based On Selection: 33
Sheng Hui Kioh
Metrics
H-Index
i10 Index
Citation Counts
5
1
73
Rankings
Ranking Based On Selection: 34
Wai Keat Yam
Metrics
H-Index
i10 Index
Citation Counts
5
4
151
Structural Bioinformatics
molecular modelling
molecular dynamics simulation
Rankings
Ranking Based On Selection: 35
Vishnumukkala Thirupathirao
Metrics
H-Index
i10 Index
Citation Counts
5
1
64
Natural Products and Drug Discovery
Rankings
Ranking Based On Selection: 36
Lai Pei Kuan
Metrics
H-Index
i10 Index
Citation Counts
4
4
264
Rankings
Ranking Based On Selection: 37
Zheng Syuen Lim
Metrics
H-Index
i10 Index
Citation Counts
4
4
167
Algal physiology
bioremediation
polar research
ecotoxicology
environmental study
Rankings
Ranking Based On Selection: 38
Jun A Chong
Metrics
H-Index
i10 Index
Citation Counts
4
4
81
Rankings
Ranking Based On Selection: 39
Salma Elharish
Metrics
H-Index
i10 Index
Citation Counts
4
2
52
Rankings
Ranking Based On Selection: 40
Prasanthi Sri
Metrics
H-Index
i10 Index
Citation Counts
4
1
39
Transdermal drug delivery system
Formulation sciences
Pharmaceutical analysis
Natural product
Rankings
Ranking Based On Selection: 41
Adel I. Ahmaida A-Tawaty
Metrics
H-Index
i10 Index
Citation Counts
3
2
178
Celiac disease
IBD
Health Professional Education
Rankings
Ranking Based On Selection: 42
Lew Pit Hui
Metrics
H-Index
i10 Index
Citation Counts
3
2
64
Rankings
Ranking Based On Selection: 43
Gaik Kin Teoh
Metrics
H-Index
i10 Index
Citation Counts
3
2
52
Qualitative study
ageing study
community-based participatory research
marriage and family
Rankings
Ranking Based On Selection: 44
Wala Tajoury
Metrics
H-Index
i10 Index
Citation Counts
3
2
42
Rankings
Ranking Based On Selection: 45
Hemavathy Subramaiam
Metrics
H-Index
i10 Index
Citation Counts
3
3
101
Oncology
Immunology
Neuroimmunology
Rankings
Ranking Based On Selection: 46
Ching Li Lee
Metrics
H-Index
i10 Index
Citation Counts
3
2
51
Rankings
Ranking Based On Selection: 47
Amiyah Bismelah
Metrics
H-Index
i10 Index
Citation Counts
3
2
33
microbiology
cancer research
natural products
Rankings
Ranking Based On Selection: 48
Wen Cong Gan
Metrics
H-Index
i10 Index
Citation Counts
2
2
64
Toxicology
Algae Biotechnology
Rankings
Ranking Based On Selection: 49
Veasuvalingam Bhavani
Metrics
H-Index
i10 Index
Citation Counts
2
2
42
Workplace-based Assessment and Work place teaching
Rankings
Ranking Based On Selection: 50
Asma El Howati
Metrics
H-Index
i10 Index
Citation Counts
2
1
23
Rankings
Ranking Based On Selection: 51
Amardev Thanu|Amardev Singh Thanu
Metrics
H-Index
i10 Index
Citation Counts
2
1
20
Osteroporosis
Neuroanatomy
Rankings
Ranking Based On Selection: 52
Hon Foong Wong
Metrics
H-Index
i10 Index
Citation Counts
2
0
14
Chinese Medicine
History of Medicine
Rankings
Ranking Based On Selection: 53
Tan Woei Ling
Metrics
H-Index
i10 Index
Citation Counts
2
0
12
Rankings
Ranking Based On Selection: 54
Wen Tien Tan
Metrics
H-Index
i10 Index
Citation Counts
2
0
11
Rankings
Ranking Based On Selection: 55
Yi Kai Wong
Metrics
H-Index
i10 Index
Citation Counts
2
0
7
Rankings
Ranking Based On Selection: 56
Visuvanathan Vv
Metrics
H-Index
i10 Index
Citation Counts
2
0
6
Rankings
Ranking Based On Selection: 57
Li Qian Tung
Metrics
H-Index
i10 Index
Citation Counts
2
0
7
Rankings
Ranking Based On Selection: 58
Radha Maniam
Metrics
H-Index
i10 Index
Citation Counts
1
1
90
Renal
Chronic Kidney Disease
Hemodialysis
End of life
Rankings
Ranking Based On Selection: 59
Supathiratheavy Rasiah
Metrics
H-Index
i10 Index
Citation Counts
1
1
70
Health Informatics
Type 2 Diabetes Mellitus
medical education
trust in healthcare
empathy
Rankings
Ranking Based On Selection: 60
Jeenan A Altawaty
Metrics
H-Index
i10 Index
Citation Counts
1
1
23
Health Informatics
Mobile Health
Rankings
Ranking Based On Selection: 61
Thang Wen Jun
Metrics
H-Index
i10 Index
Citation Counts
1
1
21
Rankings
Ranking Based On Selection: 62
Vinny Tan
Metrics
H-Index
i10 Index
Citation Counts
1
0
7
Breast milk
microbiology
food microbiology
public health
biostatistics
Rankings
Ranking Based On Selection: 63
Amina Alshekteria
Metrics
H-Index
i10 Index
Citation Counts
1
0
5
community medicine -research methodology- epidemiology- nutrition- health administration and management -health care quality -
Rankings
Ranking Based On Selection: 64
Aminah Mazyin Mohamed Ariff
Metrics
H-Index
i10 Index
Citation Counts
1
0
1
Cardiovascular toxicology
Rankings
Ranking Based On Selection: 65
Wong Zhi Hang 王智航
Metrics
H-Index
i10 Index
Citation Counts
1
0
4
Chinese Medicine
Rheumatology
中医药
风湿病
Rankings
Ranking Based On Selection: 66
Chin Koon Poh
Metrics
H-Index
i10 Index
Citation Counts
1
0
1
Gender
Psychoanalysis
Culture
Supernatural
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