Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 958 Scientists Citation Rankings - 2025
Discover the world’s highly cited researchers through the AD Scientific Index 2025 Citation Rankings.
These rankings evaluate scientists based on their total and recent citation counts, capturing the breadth and real-time currency of academic recognition. Citation data reveals how widely a scholar’s work is referenced, applied, and extended across diverse disciplines. The rankings are routinely updated to reflect ongoing citation growth, while eliminating distortions from excessive co-authorship and institutional inflation. Premium tools provide access to detailed citation dynamics, unethical citation behavior detection, and field-normalized benchmarking.
* Total Citation Counts Rankings
Ranking Based On Selection: 26
international migration
migration studies
ethnic and racial studies
demograph
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,316
4,416
0.390
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* Total Citation Counts Rankings
Ranking Based On Selection: 27
nanostructured materials
energy
hydrogen
nanotechnolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,986
3,363
0.337
* Total Citation Counts Rankings
Ranking Based On Selection: 28
obstetrics and gynecolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,930
2,960
0.298
* Total Citation Counts Rankings
Ranking Based On Selection: 29
MOEMS
Microsystems
3D displays
MEMS
Augmented Realit
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,455
3,497
0.370
* Total Citation Counts Rankings
Ranking Based On Selection: 30
Polymer science biomaterial
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,389
3,467
0.369
* Total Citation Counts Rankings
Ranking Based On Selection: 31
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,932
5,878
0.658
* Total Citation Counts Rankings
Ranking Based On Selection: 32
haptics
human-computer interaction
medical simulation
biomechanics
mechatronic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,827
2,613
0.296
* Total Citation Counts Rankings
Ranking Based On Selection: 33
Electrochemistry
Photoelectrochemistry
Catalysis
Solar cells
Surface Scienc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,734
3,827
0.438
* Total Citation Counts Rankings
Ranking Based On Selection: 34
Slee
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,526
2,847
0.334
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* Total Citation Counts Rankings
Ranking Based On Selection: 35
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,506
1,844
0.217
* Total Citation Counts Rankings
Ranking Based On Selection: 36
Advanced Manufacturing
Mechatronics
Medical System
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,122
3,972
0.489
* Total Citation Counts Rankings
Ranking Based On Selection: 37
Suicide
Problem Solving Therapy
Sexual Orientation
Cultural Factors in Mental Healt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,981
3,680
0.461
* Total Citation Counts Rankings
Ranking Based On Selection: 38
Political Behavior
elections
voting behavior
public opinion
Turkish politic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,871
2,560
0.325
* Total Citation Counts Rankings
Ranking Based On Selection: 39
Human memory
Autobiographical memor
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,610
2,314
0.304
* Total Citation Counts Rankings
Ranking Based On Selection: 40
Artificial Intelligence
Natural Language Processing
Machine Learnin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,608
4,049
0.532
* Total Citation Counts Rankings
Ranking Based On Selection: 41
optofluidics
photonics
single molecule microscopy/spectroscopy
optical microcavities
optical manipulatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,505
1,718
0.229
* Total Citation Counts Rankings
Ranking Based On Selection: 42
Social psycholog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,008
3,823
0.546
* Total Citation Counts Rankings
Ranking Based On Selection: 43
Reproductive Medicin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,814
3,953
0.580
* Total Citation Counts Rankings
Ranking Based On Selection: 44
Computer Vision
Natural Language Processing
Machine Learning
Artificial Intelligenc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,746
5,027
0.745
* Total Citation Counts Rankings
Ranking Based On Selection: 45
Machine Learning
Computational Biology
Cancer Biology
Emerging Infectious Disease
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,511
3,183
0.489
* Total Citation Counts Rankings
Ranking Based On Selection: 46
Lung cancer
GIS tumors
medical oncolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,123
4,794
0.783
* Total Citation Counts Rankings
Ranking Based On Selection: 47
market orientation
global branding
global marketing strateg
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,116
1,900
0.311
* Total Citation Counts Rankings
Ranking Based On Selection: 48
Obstetrics and Gynecolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,073
5,809
0.957
* Total Citation Counts Rankings
Ranking Based On Selection: 49
chirurgie cardiaqu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,823
1,299
0.223
* Total Citation Counts Rankings
Ranking Based On Selection: 50
neurology
neuroimmunology
multiple sclerosis and neuromyelitis optic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,789
2,811
0.486
* Total Citation Counts Rankings
Rankings
91,049
347
26
Ranking Based On Selection: 26
Ahmet İçduygu
Koç University
İstanbul, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,316
4,416
0.390
international migration
migration studies
ethnic and racial studies
demograph
* Total Citation Counts Rankings
Rankings
105,297
417
27
Ranking Based On Selection: 27
Can Erkey
Koç University
İstanbul, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,986
3,363
0.337
nanostructured materials
energy
hydrogen
nanotechnolog
* Total Citation Counts Rankings
Rankings
105,963
420
28
Ranking Based On Selection: 28
Cumhur Bülent Urman
Koç University
İstanbul, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,930
2,960
0.298
obstetrics and gynecolog
* Total Citation Counts Rankings
Rankings
112,060
461
29
Ranking Based On Selection: 29
Hakan Ürey
Koç University
İstanbul, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,455
3,497
0.370
MOEMS
Microsystems
3D displays
MEMS
Augmented Realit
* Total Citation Counts Rankings
Rankings
112,934
466
30
Ranking Based On Selection: 30
Emel Yılgör
Koç University
İstanbul, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,389
3,467
0.369
* Total Citation Counts Rankings
Rankings
119,482
508
31
Ranking Based On Selection: 31
Bulent Turan
Koç University
İstanbul, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,932
5,878
0.658
* Total Citation Counts Rankings
Rankings
121,064
520
32
Ranking Based On Selection: 32
Çağatay Başdoğan
Koç University
İstanbul, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,827
2,613
0.296
haptics
human-computer interaction
medical simulation
biomechanics
mechatronic
* Total Citation Counts Rankings
Rankings
122,445
530
33
Ranking Based On Selection: 33
Sarp Kaya
Koç University
İstanbul, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,734
3,827
0.438
Electrochemistry
Photoelectrochemistry
Catalysis
Solar cells
Surface Scienc
* Total Citation Counts Rankings
Rankings
125,817
552
34
Ranking Based On Selection: 34
Yüksel Peker
Koç University
İstanbul, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,526
2,847
0.334
* Total Citation Counts Rankings
Rankings
126,144
555
35
Ranking Based On Selection: 35
Yıldız Tütüncü
Koç University
İstanbul, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,506
1,844
0.217
Smart Institutional Plan
Powerful Insights + Smart Membership = Institutional Success
Unlock 360° Real-Time Institutional Analysis to identify your institution’s strengths and areas for improvement.
* Total Citation Counts Rankings
Rankings
132,792
612
36
Ranking Based On Selection: 36
İsmail Lazoğlu
Koç University
İstanbul, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,122
3,972
0.489
Advanced Manufacturing
Mechatronics
Medical System
* Total Citation Counts Rankings
Rankings
135,401
634
37
Ranking Based On Selection: 37
Mehmet Eskin
Koç University
İstanbul, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,981
3,680
0.461
Suicide
Problem Solving Therapy
Sexual Orientation
Cultural Factors in Mental Healt
* Total Citation Counts Rankings
Rankings
137,431
651
38
Ranking Based On Selection: 38
Ali Çarkoğlu
Koç University
İstanbul, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,871
2,560
0.325
Political Behavior
elections
voting behavior
public opinion
Turkish politic
* Total Citation Counts Rankings
Rankings
142,579
682
39
Ranking Based On Selection: 39
Sami Gülgöz
Koç University
İstanbul, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,610
2,314
0.304
* Total Citation Counts Rankings
Rankings
142,615
683
40
Ranking Based On Selection: 40
Deniz Yuret
Koç University
İstanbul, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,608
4,049
0.532
Artificial Intelligence
Natural Language Processing
Machine Learnin
* Total Citation Counts Rankings
Rankings
144,672
701
41
Ranking Based On Selection: 41
Alper Kiraz
Koç University
İstanbul, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,505
1,718
0.229
optofluidics
photonics
single molecule microscopy/spectroscopy
optical microcavities
optical manipulatio
* Total Citation Counts Rankings
Rankings
155,496
794
42
Ranking Based On Selection: 42
Rahime Zeynep Cemalcılar
Koç University
İstanbul, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,008
3,823
0.546
* Total Citation Counts Rankings
Rankings
160,005
843
43
Ranking Based On Selection: 43
Mustafa Barış Ata
Koç University
İstanbul, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,814
3,953
0.580
Reproductive Medicin
* Total Citation Counts Rankings
Rankings
161,737
851
44
Ranking Based On Selection: 44
Aykut Erdem
Koç University
İstanbul, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,746
5,027
0.745
Computer Vision
Natural Language Processing
Machine Learning
Artificial Intelligenc
* Total Citation Counts Rankings
Rankings
167,804
904
45
Ranking Based On Selection: 45
Mehmet Gönen
Koç University
İstanbul, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,511
3,183
0.489
Machine Learning
Computational Biology
Cancer Biology
Emerging Infectious Disease
* Total Citation Counts Rankings
Rankings
178,576
1,009
46
Ranking Based On Selection: 46
Perran Fulden Yumuk
Koç University
İstanbul, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,123
4,794
0.783
Lung cancer
GIS tumors
medical oncolog
* Total Citation Counts Rankings
Rankings
178,791
1,014
47
Ranking Based On Selection: 47
Ayşegül Özsomer Tunalı
Koç University
İstanbul, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,116
1,900
0.311
market orientation
global branding
global marketing strateg
* Total Citation Counts Rankings
Rankings
180,054
1,024
48
Ranking Based On Selection: 48
Erkan Kalafat
Koç University
İstanbul, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,073
5,809
0.957
Obstetrics and Gynecolog
* Total Citation Counts Rankings
Rankings
187,841
1,107
49
Ranking Based On Selection: 49
Afksendiyos Kalangos
Koç University
İstanbul, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,823
1,299
0.223
* Total Citation Counts Rankings
Rankings
188,900
1,117
50
Ranking Based On Selection: 50
Ayşe Altıntaş
Koç University
İstanbul, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,789
2,811
0.486
neurology
neuroimmunology
multiple sclerosis and neuromyelitis optic