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” (0 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: 5
Oktay Arslan
protein purification
enzyme inhibition
enzyme immobilizatio
Metrics
 
H-Index
i10 Index
Citation
32
83
3,413
* Rankings
Ranking Based On Selection: 8
Necati Özdemir
control
fractional derivative
optimization
Applied Mathematics
Optimal contro
Metrics
 
H-Index
i10 Index
Citation
30
58
2,989
* Rankings
Ranking Based On Selection: 10
Özkan Demirbaş|Özkan Demirbaş
Chemistry
Physical Chemistry
Nano-Composite
Polymer
Surface Scienc
Metrics
 
H-Index
i10 Index
Citation
29
42
4,444
* Rankings
Ranking Based On Selection: 11
Fatih Satıl
Bitki morfolojisi ve anatomisi
Etnobotani
Metrics
 
H-Index
i10 Index
Citation
29
63
3,346
* Rankings
Ranking Based On Selection: 14
Recep Efe
Geography
Geomorphology
Ecology
Geoheritag
Metrics
 
H-Index
i10 Index
Citation
27
83
2,735
* Rankings
Ranking Based On Selection: 15
Erdoğan Tezci
Curriculum Development
Curiculum & Instruction
teacher education Education Technolog
Metrics
 
H-Index
i10 Index
Citation
27
46
3,575
* Rankings
Ranking Based On Selection: 16
Arzu Kılıç
psoriasis
autoimmune diseases
Behçet disease
urticaria
atopic dermatiti
Metrics
 
H-Index
i10 Index
Citation
27
79
2,759
* Rankings
Ranking Based On Selection: 17
Nihal Taş
genel topoloji
soft topoloji
genelleştirilmiş topolojik uzaylar
sabit nokta teoris
Metrics
 
H-Index
i10 Index
Citation
26
43
1,862
* Rankings
Ranking Based On Selection: 20
Baybars Ali Fil
Electrooxidation
Electrocoagulation
Adsorption
Ion exchange
Biosorptio
Metrics
 
H-Index
i10 Index
Citation
24
32
1,501
* Rankings
Ranking Based On Selection: 21
Hülya Gür
Matematik eğitimi
teknoloji kullanımı-stem eğitimi
problem çözme
problem kurma
yaratıcılı
Metrics
 
H-Index
i10 Index
Citation
24
47
2,029
* Rankings
Ranking Based On Selection: 22
Olcay Eser
neurosurgery
spine
experimental surgery
tumor
pediatric neurosurger
Metrics
 
H-Index
i10 Index
Citation
24
44
1,877
* Rankings
Ranking Based On Selection: 23
Umut Okkan|Umut Okkan
Hydrology
Water Resources
Climate Change
Downscaling
Soft Computing Method
Metrics
 
H-Index
i10 Index
Citation
23
34
1,700
* Rankings
Ranking Based On Selection: 24
Gürhan Durak
Distance education
online learning
social learning networks
instructional desig
Metrics
 
H-Index
i10 Index
Citation
23
30
1,879
* Rankings
Ranking Based On Selection: 25
Öznur Karaağaç
Magnetic materials
Magnetic nanoparticle
Metrics
 
H-Index
i10 Index
Citation
23
33
1,481
Rankings
Ranking Based On Selection: 1
Mahir Alkan
Metrics
 
H-Index
i10 Index
Citation Counts
55
125
13,050
Rankings
Ranking Based On Selection: 2
Mehmet Doğan
Metrics
 
H-Index
i10 Index
Citation Counts
48
89
11,172
Rankings
Ranking Based On Selection: 3
Sultan Eser
Metrics
 
H-Index
i10 Index
Citation Counts
40
90
56,000
Rankings
Ranking Based On Selection: 4
Cevdet Avcıkurt
Metrics
 
H-Index
i10 Index
Citation Counts
33
77
4,867
Rankings
Ranking Based On Selection: 5
Oktay Arslan
Metrics
 
H-Index
i10 Index
Citation Counts
32
83
3,413
protein purification
enzyme inhibition
enzyme immobilizatio
Rankings
Ranking Based On Selection: 6
Hakan Köçkar
Metrics
 
H-Index
i10 Index
Citation Counts
31
77
2,891
Rankings
Ranking Based On Selection: 7
Tuncay Dirmenci
Metrics
 
H-Index
i10 Index
Citation Counts
31
90
2,939
Rankings
Ranking Based On Selection: 8
Necati Özdemir
Metrics
 
H-Index
i10 Index
Citation Counts
30
58
2,989
control
fractional derivative
optimization
Applied Mathematics
Optimal contro
Rankings
Ranking Based On Selection: 9
Teoman Doğru
Metrics
 
H-Index
i10 Index
Citation Counts
30
42
2,732
Rankings
Ranking Based On Selection: 10
Özkan Demirbaş|Özkan Demirbaş
Metrics
 
H-Index
i10 Index
Citation Counts
29
42
4,444
Chemistry
Physical Chemistry
Nano-Composite
Polymer
Surface Scienc
Rankings
Ranking Based On Selection: 11
Fatih Satıl
Metrics
 
H-Index
i10 Index
Citation Counts
29
63
3,346
Rankings
Ranking Based On Selection: 12
Canan Nakiboğlu
Metrics
 
H-Index
i10 Index
Citation Counts
28
56
2,674
Rankings
Ranking Based On Selection: 13
Mesut Saçkes
Metrics
 
H-Index
i10 Index
Citation Counts
27
43
2,828
Rankings
Ranking Based On Selection: 14
Recep Efe
Metrics
 
H-Index
i10 Index
Citation Counts
27
83
2,735
Geography
Geomorphology
Ecology
Geoheritag
Rankings
Ranking Based On Selection: 15
Erdoğan Tezci
Metrics
 
H-Index
i10 Index
Citation Counts
27
46
3,575
Curriculum Development
Curiculum & Instruction
teacher education Education Technolog
Rankings
Ranking Based On Selection: 16
Arzu Kılıç
Metrics
 
H-Index
i10 Index
Citation Counts
27
79
2,759
psoriasis
autoimmune diseases
Behçet disease
urticaria
atopic dermatiti
Rankings
Ranking Based On Selection: 17
Nihal Taş
Metrics
 
H-Index
i10 Index
Citation Counts
26
43
1,862
genel topoloji
soft topoloji
genelleştirilmiş topolojik uzaylar
sabit nokta teoris
Rankings
Ranking Based On Selection: 18
Cengiz Gokbulut
Metrics
 
H-Index
i10 Index
Citation Counts
26
57
2,213
Rankings
Ranking Based On Selection: 19
Ali Rıza Terzi
Metrics
 
H-Index
i10 Index
Citation Counts
24
40
3,270
Rankings
Ranking Based On Selection: 20
Baybars Ali Fil
Metrics
 
H-Index
i10 Index
Citation Counts
24
32
1,501
Electrooxidation
Electrocoagulation
Adsorption
Ion exchange
Biosorptio
Rankings
Ranking Based On Selection: 21
Hülya Gür
Metrics
 
H-Index
i10 Index
Citation Counts
24
47
2,029
Matematik eğitimi
teknoloji kullanımı-stem eğitimi
problem çözme
problem kurma
yaratıcılı
Rankings
Ranking Based On Selection: 22
Olcay Eser
Metrics
 
H-Index
i10 Index
Citation Counts
24
44
1,877
neurosurgery
spine
experimental surgery
tumor
pediatric neurosurger
Rankings
Ranking Based On Selection: 23
Umut Okkan|Umut Okkan
Metrics
 
H-Index
i10 Index
Citation Counts
23
34
1,700
Hydrology
Water Resources
Climate Change
Downscaling
Soft Computing Method
Rankings
Ranking Based On Selection: 24
Gürhan Durak
Metrics
 
H-Index
i10 Index
Citation Counts
23
30
1,879
Distance education
online learning
social learning networks
instructional desig
Rankings
Ranking Based On Selection: 25
Öznur Karaağaç
Metrics
 
H-Index
i10 Index
Citation Counts
23
33
1,481
Magnetic materials
Magnetic nanoparticle