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” (1,121,289 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: 3
Anuradhani Kasturiratne
Epidemiology of non communicable diseases
Health Economics
Snakebit
Metrics
 
H-Index
i10 Index
Citation
41
80
10,203
* Rankings
Ranking Based On Selection: 4
NR De Silva
Medical Parasitology
Soil transmitted helminths
Medical Educatio
Metrics
 
H-Index
i10 Index
Citation
38
81
13,277
* Rankings
Ranking Based On Selection: 6
H Asita De Silva
Clinical trials
Dementia
Snakebite
Stroke
Hypertensio
Metrics
 
H-Index
i10 Index
Citation
32
60
8,126
* Rankings
Ranking Based On Selection: 7
Upali S Amarasinghe
Inland Fisheries
Fish Stock Assessment
Culture-based Fisheries
Community-based Fisheries Managemen
Metrics
 
H-Index
i10 Index
Citation
32
88
3,414
* Rankings
Ranking Based On Selection: 8
Shaluka Jayamanne
Toxicology and General Medicin
Metrics
 
H-Index
i10 Index
Citation
31
51
3,191
* Rankings
Ranking Based On Selection: 9
A Pathmeswaran
Public Health
Biostatistics
Epidemiology
Medical educatio
Metrics
 
H-Index
i10 Index
Citation
31
85
5,636
* Rankings
Ranking Based On Selection: 10
Premawardhena
haemoglobinopathies
thalassaemia
iron metabolism
adaptaion to anaemi
Metrics
 
H-Index
i10 Index
Citation
28
54
3,053
* Rankings
Ranking Based On Selection: 11
Sachith Mettananda
Thalassaemia
Paediatric red cell disorders
Paediatric
Metrics
 
H-Index
i10 Index
Citation
27
53
6,185
* Rankings
Ranking Based On Selection: 15
Dinushani Anupama Daranagama
Mycology
Molecular systematics
Microbial genetics
Fungal secondary metabolite
Metrics
 
H-Index
i10 Index
Citation
25
33
6,910
* Rankings
Ranking Based On Selection: 16
Asoka Pathiratne
Environmental Toxicology
Environmental risk assessment
Fish healt
Metrics
 
H-Index
i10 Index
Citation
25
42
1,862
* Rankings
Ranking Based On Selection: 17
Priyani Ashoka Paranagama
Isolation and characterization of fungal metabolites
development of biopesticides
biotransformation of fungal metabolite
Metrics
 
H-Index
i10 Index
Citation
24
39
3,079
* Rankings
Ranking Based On Selection: 18
Chamila Mettananda|KCD Mettananda, KC Mettananda, C Mettananda, Kukulege Chamila Dinushi Mettananda
CV risk prediction
CV epidemiology
TIA and Stroke
Clinical trails and General internal medicin
Metrics
 
H-Index
i10 Index
Citation
23
34
7,283
* Rankings
Ranking Based On Selection: 22
N Kithsiri Gunawardena
Epidemiology
Spatial Epidemiology
Filariasis
Soil Transmitted Helmint
Metrics
 
H-Index
i10 Index
Citation
23
34
3,621
* Rankings
Ranking Based On Selection: 23
Udaya Ranawaka
Neurology
Stroke
CNS infections
Clinical trial registratio
Metrics
 
H-Index
i10 Index
Citation
22
30
2,287
* Rankings
Ranking Based On Selection: 25
Tiran Daminda Dias
Fetal diagnosis and therap
Metrics
 
H-Index
i10 Index
Citation
22
31
1,872
Rankings
Ranking Based On Selection: 1
HJ De Silva
Metrics
 
H-Index
i10 Index
Citation Counts
66
226
21,456
Rankings
Ranking Based On Selection: 2
Ananda Rajitha Wickremasinghe
Metrics
 
H-Index
i10 Index
Citation Counts
59
182
19,979
Rankings
Ranking Based On Selection: 3
Anuradhani Kasturiratne
Metrics
 
H-Index
i10 Index
Citation Counts
41
80
10,203
Epidemiology of non communicable diseases
Health Economics
Snakebit
Rankings
Ranking Based On Selection: 4
NR De Silva
Metrics
 
H-Index
i10 Index
Citation Counts
38
81
13,277
Medical Parasitology
Soil transmitted helminths
Medical Educatio
Rankings
Ranking Based On Selection: 5
Niranga Manjuri Devanarayana
Metrics
 
H-Index
i10 Index
Citation Counts
37
60
3,915
Rankings
Ranking Based On Selection: 6
H Asita De Silva
Metrics
 
H-Index
i10 Index
Citation Counts
32
60
8,126
Clinical trials
Dementia
Snakebite
Stroke
Hypertensio
Rankings
Ranking Based On Selection: 7
Upali S Amarasinghe
Metrics
 
H-Index
i10 Index
Citation Counts
32
88
3,414
Inland Fisheries
Fish Stock Assessment
Culture-based Fisheries
Community-based Fisheries Managemen
Rankings
Ranking Based On Selection: 8
Shaluka Jayamanne
Metrics
 
H-Index
i10 Index
Citation Counts
31
51
3,191
Toxicology and General Medicin
Rankings
Ranking Based On Selection: 9
A Pathmeswaran
Metrics
 
H-Index
i10 Index
Citation Counts
31
85
5,636
Rankings
Ranking Based On Selection: 10
Premawardhena
Metrics
 
H-Index
i10 Index
Citation Counts
28
54
3,053
haemoglobinopathies
thalassaemia
iron metabolism
adaptaion to anaemi
Rankings
Ranking Based On Selection: 11
Sachith Mettananda
Metrics
 
H-Index
i10 Index
Citation Counts
27
53
6,185
Rankings
Ranking Based On Selection: 12
Ranjan Premaratna
Metrics
 
H-Index
i10 Index
Citation Counts
27
48
4,293
Rankings
Ranking Based On Selection: 13
Arjuna P De Silva
Metrics
 
H-Index
i10 Index
Citation Counts
26
53
4,211
Rankings
Ranking Based On Selection: 14
Wimaladharma Abeyewickreme
Metrics
 
H-Index
i10 Index
Citation Counts
26
48
2,526
Rankings
Ranking Based On Selection: 15
Dinushani Anupama Daranagama
Metrics
 
H-Index
i10 Index
Citation Counts
25
33
6,910
Mycology
Molecular systematics
Microbial genetics
Fungal secondary metabolite
Rankings
Ranking Based On Selection: 16
Asoka Pathiratne
Metrics
 
H-Index
i10 Index
Citation Counts
25
42
1,862
Environmental Toxicology
Environmental risk assessment
Fish healt
Rankings
Ranking Based On Selection: 17
Priyani Ashoka Paranagama
Metrics
 
H-Index
i10 Index
Citation Counts
24
39
3,079
Isolation and characterization of fungal metabolites
development of biopesticides
biotransformation of fungal metabolite
Rankings
Ranking Based On Selection: 18
CV risk prediction
CV epidemiology
TIA and Stroke
Clinical trails and General internal medicin
Rankings
Ranking Based On Selection: 19
Padhn Gunathilaka
Metrics
 
H-Index
i10 Index
Citation Counts
23
46
1,587
Rankings
Ranking Based On Selection: 20
Pramodh Chitral Chandrasinghe
Metrics
 
H-Index
i10 Index
Citation Counts
23
35
2,035
Rankings
Ranking Based On Selection: 21
Anuradha Dassanayake
Metrics
 
H-Index
i10 Index
Citation Counts
23
42
2,054
Rankings
Ranking Based On Selection: 22
N Kithsiri Gunawardena
Metrics
 
H-Index
i10 Index
Citation Counts
23
34
3,621
Epidemiology
Spatial Epidemiology
Filariasis
Soil Transmitted Helmint
Rankings
Ranking Based On Selection: 23
Udaya Ranawaka
Metrics
 
H-Index
i10 Index
Citation Counts
22
30
2,287
Neurology
Stroke
CNS infections
Clinical trial registratio
Rankings
Ranking Based On Selection: 24
Madawa Chandratilake
Metrics
 
H-Index
i10 Index
Citation Counts
22
30
1,444
Rankings
Ranking Based On Selection: 25
Tiran Daminda Dias
Metrics
 
H-Index
i10 Index
Citation Counts
22
31
1,872
Fetal diagnosis and therap