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: 1
Ubolluk Rattanasak
Geopolymer
Composite material
Waste utilization
Construction materia
Metrics
 
H-Index
i10 Index
Citation
27
40
4,832
* Rankings
Ranking Based On Selection: 2
Kampanart Huanbutta
3D printing for drug delivery
flow chemistry for nanoparticle synthesis
advanced herbal formulati
Metrics
 
H-Index
i10 Index
Citation
23
39
1,555
* Rankings
Ranking Based On Selection: 5
Nopphon Weeranoppanant|นพพล วีระนพนันท์
Chemical​ Engineering
Flow chemistry
Bioprocess
Sustainable process
Extractio
Metrics
 
H-Index
i10 Index
Citation
18
21
2,490
* Rankings
Ranking Based On Selection: 6
Uthaiwan Sirion
Organic synthesis
Green synthesis
Ionic liquid catalysi
Metrics
 
H-Index
i10 Index
Citation
17
28
953
* Rankings
Ranking Based On Selection: 7
Somchart Maenpuen
Enzyme kinetics and Biocatalysi
Metrics
 
H-Index
i10 Index
Citation
17
22
1,229
* Rankings
Ranking Based On Selection: 15
Worachest Pirompugd
Fin-and-Tube heat exchangers
Fins
Panel methods
Two phase flo
Metrics
 
H-Index
i10 Index
Citation
14
23
816
* Rankings
Ranking Based On Selection: 16
Jittima Charoenpanich
Environmental Biochemistry
Adsorption kinetics
Metal removal
Enzyme technolog
Metrics
 
H-Index
i10 Index
Citation
14
17
888
* Rankings
Ranking Based On Selection: 18
Rachanimuk Hiransuchalert
Aquaculture Biotechnology
Aquatic molecular genetic
Metrics
 
H-Index
i10 Index
Citation
14
15
528
* Rankings
Ranking Based On Selection: 19
Yupaporn Sameenoi
Analytical chemistry
Microfluidics
Paper-based microfluidics
Cloth-based microfluidics
Foo
Metrics
 
H-Index
i10 Index
Citation
13
13
1,238
* Rankings
Ranking Based On Selection: 20
Thanongsak Thepsonthi
Micro-manufacturing
Modeling and Optimization
Finite Element Simulation
Additive manufacturing
Industrial Simulation
Metrics
 
H-Index
i10 Index
Citation
13
13
1,482
* Rankings
Ranking Based On Selection: 22
Phiangphak Sukkharak
liverwort
bryophyte
taxonomy
systematic
Metrics
 
H-Index
i10 Index
Citation
13
18
1,366
* Rankings
Ranking Based On Selection: 23
Supphasin Thaweesak
Nanomaterials photocatalysis energy conversio
Metrics
 
H-Index
i10 Index
Citation
12
13
1,334
Rankings
Ranking Based On Selection: 1
Ubolluk Rattanasak
Metrics
 
H-Index
i10 Index
Citation Counts
27
40
4,832
Geopolymer
Composite material
Waste utilization
Construction materia
Rankings
Ranking Based On Selection: 2
Kampanart Huanbutta
Metrics
 
H-Index
i10 Index
Citation Counts
23
39
1,555
3D printing for drug delivery
flow chemistry for nanoparticle synthesis
advanced herbal formulati
Rankings
Ranking Based On Selection: 3
Rungnapha Saeeng
Metrics
 
H-Index
i10 Index
Citation Counts
23
44
1,340
Rankings
Ranking Based On Selection: 4
Klaokwan Srisook
Metrics
 
H-Index
i10 Index
Citation Counts
19
25
1,224
Rankings
Ranking Based On Selection: 5
Nopphon Weeranoppanant|นพพล วีระนพนันท์
Metrics
 
H-Index
i10 Index
Citation Counts
18
21
2,490
Chemical​ Engineering
Flow chemistry
Bioprocess
Sustainable process
Extractio
Rankings
Ranking Based On Selection: 6
Uthaiwan Sirion
Metrics
 
H-Index
i10 Index
Citation Counts
17
28
953
Organic synthesis
Green synthesis
Ionic liquid catalysi
Rankings
Ranking Based On Selection: 7
Somchart Maenpuen
Metrics
 
H-Index
i10 Index
Citation Counts
17
22
1,229
Enzyme kinetics and Biocatalysi
Rankings
Ranking Based On Selection: 8
Tanikan Sangnim
Metrics
 
H-Index
i10 Index
Citation Counts
16
22
898
Rankings
Ranking Based On Selection: 9
Jarunan Pratoomyot
Metrics
 
H-Index
i10 Index
Citation Counts
16
17
1,933
Rankings
Ranking Based On Selection: 10
Guntima Suwannapong
Metrics
 
H-Index
i10 Index
Citation Counts
16
20
737
Rankings
Ranking Based On Selection: 11
Jaray Jaratjaroonphong
Metrics
 
H-Index
i10 Index
Citation Counts
15
16
744
Rankings
Ranking Based On Selection: 12
Wichian Chalee
Metrics
 
H-Index
i10 Index
Citation Counts
14
17
2,827
Rankings
Ranking Based On Selection: 13
Nattawut Leelakanok
Metrics
 
H-Index
i10 Index
Citation Counts
14
23
1,119
Rankings
Ranking Based On Selection: 14
Karaked Tedsree
Metrics
 
H-Index
i10 Index
Citation Counts
14
15
2,437
Rankings
Ranking Based On Selection: 15
Worachest Pirompugd
Metrics
 
H-Index
i10 Index
Citation Counts
14
23
816
Fin-and-Tube heat exchangers
Fins
Panel methods
Two phase flo
Rankings
Ranking Based On Selection: 16
Jittima Charoenpanich
Metrics
 
H-Index
i10 Index
Citation Counts
14
17
888
Environmental Biochemistry
Adsorption kinetics
Metal removal
Enzyme technolog
Rankings
Ranking Based On Selection: 17
Sarayut Deachapunya
Metrics
 
H-Index
i10 Index
Citation Counts
14
16
759
Rankings
Ranking Based On Selection: 18
Rachanimuk Hiransuchalert
Metrics
 
H-Index
i10 Index
Citation Counts
14
15
528
Rankings
Ranking Based On Selection: 19
Yupaporn Sameenoi
Metrics
 
H-Index
i10 Index
Citation Counts
13
13
1,238
Analytical chemistry
Microfluidics
Paper-based microfluidics
Cloth-based microfluidics
Foo
Rankings
Ranking Based On Selection: 20
Thanongsak Thepsonthi
Metrics
 
H-Index
i10 Index
Citation Counts
13
13
1,482
Micro-manufacturing
Modeling and Optimization
Finite Element Simulation
Additive manufacturing
Industrial Simulation
Rankings
Ranking Based On Selection: 21
Pailin Ngaotrakanwiwat
Metrics
 
H-Index
i10 Index
Citation Counts
13
14
859
Rankings
Ranking Based On Selection: 22
Phiangphak Sukkharak
Metrics
 
H-Index
i10 Index
Citation Counts
13
18
1,366
Rankings
Ranking Based On Selection: 23
Supphasin Thaweesak
Metrics
 
H-Index
i10 Index
Citation Counts
12
13
1,334
Rankings
Ranking Based On Selection: 24
Chatthai Thaiprayoon
Metrics
 
H-Index
i10 Index
Citation Counts
12
14
505
Rankings
Ranking Based On Selection: 25
Siam Yimsiri
Metrics
 
H-Index
i10 Index
Citation Counts
12
15
1,174