Top 100 Scientists

World Top 100 Scientists 2025

The ranking of “Top 100” scientists is based on total H-index scores. 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, and Social Sciences. According to Total H. BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (1,014,374 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. 

Mustafa Uygar Kalayci
Laparoscopic colorectal surgery
HIPEC and CRS
ERCP
therepautic and interventional endoscopy
Laparoscopic surgery
Metrics
H-Index
i10 Index
Citation
11
13
446
Ece Akbayir
Neurology
Autoimmunity
Neuroimmunology
Neurodegenerative diseases
Metrics
H-Index
i10 Index
Citation
7
4
134
Arif Karabuğa
enerji
ekserji
güneş enerjisi
azot sıvılaştırma
hidrojen üretimi
Metrics
H-Index
i10 Index
Citation
7
3
109
Muharrem Enis Çiftçi
Air Transportation
Scheduling and Fleet Assignment
Capacity Planning
Network Planning
Passenger Choice Models
Metrics
H-Index
i10 Index
Citation
5
5
173
Seda Karateke
Approximation Theory
Mathematical Analysis
Mathematics of Machine Learning
Applied Mathematics
Metrics
H-Index
i10 Index
Citation
5
4
170
Rankings
Ranking Based On Selection: 1
Levent Sevgi
Metrics
H-Index
i10 Index
Citation Counts
37
124
5,032
Rankings
Ranking Based On Selection: 3
Dilek Şirvanlı Özen
Metrics
H-Index
i10 Index
Citation Counts
16
18
759
Rankings
Ranking Based On Selection: 4
Gamze Aren
Metrics
H-Index
i10 Index
Citation Counts
15
20
1,087
Rankings
Ranking Based On Selection: 5
Mehmet Odabaşi
Metrics
H-Index
i10 Index
Citation Counts
12
16
441
Rankings
Ranking Based On Selection: 6
Mustafa Uygar Kalayci
Metrics
H-Index
i10 Index
Citation Counts
11
13
446
Laparoscopic colorectal surgery
HIPEC and CRS
ERCP
therepautic and interventional endoscopy
Laparoscopic surgery
Rankings
Ranking Based On Selection: 7
Fatma Özbakır
Metrics
H-Index
i10 Index
Citation Counts
11
13
484
Moleküler Biyoloji
İmmünobiyoloji
Genetik
otoimmünite
Rankings
Ranking Based On Selection: 8
Ramazan Yaman
Metrics
H-Index
i10 Index
Citation Counts
11
12
663
Rankings
Ranking Based On Selection: 10
Leman Kutlu
Metrics
H-Index
i10 Index
Citation Counts
10
10
899
mental health nursing
agression
child mental health
burnout
anxiety
Rankings
Ranking Based On Selection: 11
Rüştü Gedik
Metrics
H-Index
i10 Index
Citation Counts
10
10
375
Rankings
Ranking Based On Selection: 12
Fatih Koçan
Metrics
H-Index
i10 Index
Citation Counts
10
10
353
Rankings
Ranking Based On Selection: 13
M.Emel Alphan
Metrics
H-Index
i10 Index
Citation Counts
9
9
517
Rankings
Ranking Based On Selection: 14
Çağatay Uluişik
Metrics
H-Index
i10 Index
Citation Counts
9
8
385
Electromagnetic Theory
Antennas and Propagation
Rankings
Ranking Based On Selection: 15
Ecem Bostan
Metrics
H-Index
i10 Index
Citation Counts
8
8
421
Rankings
Ranking Based On Selection: 16
Dilek Baykal
Metrics
H-Index
i10 Index
Citation Counts
8
4
159
Rankings
Ranking Based On Selection: 17
Serkan Bengisu
Metrics
H-Index
i10 Index
Citation Counts
8
7
226
yutma bozuklukları
ses bozuklukları
dysphagia
Rankings
Ranking Based On Selection: 18
Nuriye Emel Derviş
Metrics
H-Index
i10 Index
Citation Counts
8
8
653
Rankings
Ranking Based On Selection: 19
Ozge Unlu
Metrics
H-Index
i10 Index
Citation Counts
7
5
181
Rankings
Ranking Based On Selection: 20
Hilal Denizoğlu Külli
Metrics
H-Index
i10 Index
Citation Counts
7
5
169
Rankings
Ranking Based On Selection: 21
Ece Akbayir
Metrics
H-Index
i10 Index
Citation Counts
7
4
134
Neurology
Autoimmunity
Neuroimmunology
Neurodegenerative diseases
Rankings
Ranking Based On Selection: 22
Arif Karabuğa
Metrics
H-Index
i10 Index
Citation Counts
7
3
109
enerji
ekserji
güneş enerjisi
azot sıvılaştırma
hidrojen üretimi
Rankings
Ranking Based On Selection: 23
Cardiology
cardiovascular intervention
Rankings
Ranking Based On Selection: 24
Durmuş Tayyar Şen
Metrics
H-Index
i10 Index
Citation Counts
7
7
299
Rankings
Ranking Based On Selection: 25
Selim Ünsal
Metrics
H-Index
i10 Index
Citation Counts
6
5
118
Dil
konuşma
ses
yutma
kekemelik
Rankings
Ranking Based On Selection: 26
Pinar Öktem Erkartal
Metrics
H-Index
i10 Index
Citation Counts
6
3
101
Mimarlık
Mimari Tasarım
Temel Tasarım
Rankings
Ranking Based On Selection: 27
Burcu Biltekin
Metrics
H-Index
i10 Index
Citation Counts
6
3
100
Rankings
Ranking Based On Selection: 28
Ahmet Bülent Katiboğlu
Metrics
H-Index
i10 Index
Citation Counts
6
3
101
Oral n maxillofacial surgery
oral implantology
oral disease
Rankings
Ranking Based On Selection: 29
Gülşen Sayin
Metrics
H-Index
i10 Index
Citation Counts
6
1
77
İngiliz/İrlanda Tiyatrosu
Tiyatro Çevirisi
Uyarlamalar
Rankings
Ranking Based On Selection: 30
Oya Akca
Metrics
H-Index
i10 Index
Citation Counts
5
5
316
Nanobiotechnology
Biosensors
Molecular Diagnostics
Rankings
Ranking Based On Selection: 31
Muharrem Enis Çiftçi
Metrics
H-Index
i10 Index
Citation Counts
5
5
173
Air Transportation
Scheduling and Fleet Assignment
Capacity Planning
Network Planning
Passenger Choice Models
Rankings
Ranking Based On Selection: 32
Damla Gökçeoğlu Kayali
Metrics
H-Index
i10 Index
Citation Counts
5
5
168
Rankings
Ranking Based On Selection: 33
Adem Özyavaş
Metrics
H-Index
i10 Index
Citation Counts
5
5
111
machine learning
image processing
Rankings
Ranking Based On Selection: 34
Seda Karateke
Metrics
H-Index
i10 Index
Citation Counts
5
4
170
Approximation Theory
Mathematical Analysis
Mathematics of Machine Learning
Applied Mathematics
Rankings
Ranking Based On Selection: 35
Sanaz Sadry
Metrics
H-Index
i10 Index
Citation Counts
5
3
124
Orthodontics
Orthognatic Surgery
TMD problems
Rankings
Ranking Based On Selection: 36
Müslüm Ergün
Metrics
H-Index
i10 Index
Citation Counts
5
3
115
Rankings
Ranking Based On Selection: 37
Nazli Batar
Metrics
H-Index
i10 Index
Citation Counts
5
2
92
Rankings
Ranking Based On Selection: 38
Şeyma Demiralay
Metrics
H-Index
i10 Index
Citation Counts
5
1
39
Rankings
Ranking Based On Selection: 39
Canan Duman
Metrics
H-Index
i10 Index
Citation Counts
4
3
121
Rankings
Ranking Based On Selection: 40
Nesrin Özkan
Metrics
H-Index
i10 Index
Citation Counts
4
2
59
Finance
Financial Markets
Behavioral Finance
International Finance
Rankings
Ranking Based On Selection: 41
Özlem Arzu Azer
Metrics
H-Index
i10 Index
Citation Counts
4
2
50
International Political Economy
Rankings
Ranking Based On Selection: 42
Hatice Nur Halipçi Topsakal
Metrics
H-Index
i10 Index
Citation Counts
4
1
38
microbiology
biosensor
antimicrobial resistance
chip technology
Rankings
Ranking Based On Selection: 43
Şirin Tufan,
Metrics
H-Index
i10 Index
Citation Counts
4
2
54
Rankings
Ranking Based On Selection: 44
Adem Eroğlu
Metrics
H-Index
i10 Index
Citation Counts
4
3
183
Rankings
Ranking Based On Selection: 45
Sermin Dinç
Metrics
H-Index
i10 Index
Citation Counts
3
0
18
Rankings
Ranking Based On Selection: 46
Orhan Dalkiliç
Metrics
H-Index
i10 Index
Citation Counts
2
2
109
Göğüs Hastalıkları
Solunum Fizyoterapisi
Uyku Bozuklukları
Alerji
Rankings
Ranking Based On Selection: 47
Hilal Şahin
Metrics
H-Index
i10 Index
Citation Counts
2
2
71
Tıbbi Biyoloji ve Genetik
Moleküler Biyoloji
Sitogenetik
Rankings
Ranking Based On Selection: 48
Ömercan Aksoy
Metrics
H-Index
i10 Index
Citation Counts
2
2
56
Rankings
Ranking Based On Selection: 49
Mete Hanzade
Metrics
H-Index
i10 Index
Citation Counts
2
2
48
Rankings
Ranking Based On Selection: 50
Ömer Özyiğit
Metrics
H-Index
i10 Index
Citation Counts
2
1
25
Radyoloji
Girişimsel radyoloji
Nöroradyoloji
Abdomen Radyolojisi
Rankings
Ranking Based On Selection: 51
Zeynep Hale Keles
Metrics
H-Index
i10 Index
Citation Counts
2
1
22
Rankings
Ranking Based On Selection: 52
Ayşe İrem Gökçek
Metrics
H-Index
i10 Index
Citation Counts
2
0
10
Rankings
Ranking Based On Selection: 53
Naile Dölek
Metrics
H-Index
i10 Index
Citation Counts
2
1
59
Kesitsel Görüntüleme.
Rankings
Ranking Based On Selection: 54
Baykar Silahli
Metrics
H-Index
i10 Index
Citation Counts
2
1
46
Rankings
Ranking Based On Selection: 55
Süleyman Tanriverdi
Metrics
H-Index
i10 Index
Citation Counts
2
0
15
Cardıovasküler surgery
Rankings
Ranking Based On Selection: 56
N.Demet Ozcelik
Metrics
H-Index
i10 Index
Citation Counts
1
1
51
Rankings
Ranking Based On Selection: 57
Yasemin Ecem Temel Pekmez
Metrics
H-Index
i10 Index
Citation Counts
1
0
4
Fizyoterapi ve Rehabilitasyon
Pelvik Taban Rehabilitasyonu
Rankings
Ranking Based On Selection: 58
Hande Kolat
Metrics
H-Index
i10 Index
Citation Counts
1
0
4
İngiliz Edebiyatı
Post kolonyal Edebiyat
Çok kültürlülük
Rankings
Ranking Based On Selection: 59
Betül Koçak
Metrics
H-Index
i10 Index
Citation Counts
1
0
4
Rankings
Ranking Based On Selection: 60
Kardelen Yoldaş
Metrics
H-Index
i10 Index
Citation Counts
1
0
3
Rankings
Ranking Based On Selection: 61
Hulya Ceyhan
Metrics
H-Index
i10 Index
Citation Counts
1
0
2
Rankings
Ranking Based On Selection: 62
Cengizhan Ekizceli
Metrics
H-Index
i10 Index
Citation Counts
1
0
2
Rankings
Ranking Based On Selection: 63
Gokben Guclu
Metrics
H-Index
i10 Index
Citation Counts
1
0
2