Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 1.887 Scientists Citation Rankings (Sort by last 6 years Citation Index) - 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.
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 1
Kardiyoloji
Aterosklero
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
62,887
44,080
0.701
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* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 2
Bioinformatics
Cheminformatics
Machine/Deep Learning
Biomedical Data Science
A
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
34,023
25,479
0.749
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 3
Medicine
Rheumatology
Pediatric Rheumatolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
52,064
23,666
0.455
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 4
Infectious Diseases
HIV/AIDS
Adult Vaccination
Health Care Associated Infections
Antibiotic Ressistanc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,112
22,928
0.816
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 5
Immunocompromised host
febrile neutropenia
antimicrobial resistanc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,552
16,166
0.566
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 6
obesity
diabetes
polycystic ovary syndrome (PCOS)
metabolic syndrome
insulin resistanc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,710
14,423
0.540
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 7
astım
allerj
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,979
12,495
0.403
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 8
Nanoteknoloji
nanosensörle
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
34,311
12,235
0.357
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 9
effect of processing on food quality and safet
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,119
9,883
0.468
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* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 10
Construction Materials
Circular Economy
Multi-Functional Cementitious Composites
Sustainable Developmen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,757
9,689
0.657
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 11
engineering geology
rock mechanics
landslide
natural hazards
tunnellin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,391
9,333
0.458
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 12
oncolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,646
9,248
0.524
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 13
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,305
8,325
0.626
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 14
Rheumatology
Vasculitis
Patient Registry Systems
Musculoskeletal Ultrasonography
Sacroiliac MR
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,567
7,986
0.690
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 15
Endocrinology and Metabolis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,509
7,898
0.585
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 16
Tıbbi Mikoloj
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,710
7,808
0.531
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 17
musculoskeletal ultrasoun
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,305
7,300
0.646
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 18
Biostatistic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,195
6,835
0.518
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 19
Breast Cancer
Head and Neck Cance
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,977
6,750
0.677
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 20
Allergy and immunolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,701
6,600
0.617
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 21
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,862
6,336
0.493
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 22
Pediatric Oncology
Global Health
Global Oncology
Childhealth
Healthcare Managemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,334
5,703
0.611
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 23
Curriculum & Instruction
Educational Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,400
5,359
0.276
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 24
Nephrology
Hypertensio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,716
5,303
0.360
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 25
Pediatric Urolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,066
5,199
0.470
* Last 6 Years Citation Counts Rankings
Rankings
3,604
32
1
Ranking Based On Selection: 1
Sadberk Lale Tokgözoğlu
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
62,887
44,080
0.701
* Last 6 Years Citation Counts Rankings
Rankings
8,572
49
2
Ranking Based On Selection: 2
Tunca Dogan
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
34,023
25,479
0.749
Bioinformatics
Cheminformatics
Machine/Deep Learning
Biomedical Data Science
A
* Last 6 Years Citation Counts Rankings
Rankings
9,665
54
3
Ranking Based On Selection: 3
Seza Özen
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
52,064
23,666
0.455
Medicine
Rheumatology
Pediatric Rheumatolog
* Last 6 Years Citation Counts Rankings
Rankings
10,164
56
4
Ranking Based On Selection: 4
Serhat Ünal|Serhat Uenal, Serhat Ünal
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,112
22,928
0.816
Infectious Diseases
HIV/AIDS
Adult Vaccination
Health Care Associated Infections
Antibiotic Ressistanc
* Last 6 Years Citation Counts Rankings
Rankings
17,170
78
5
Ranking Based On Selection: 5
Murat Akova
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,552
16,166
0.566
Immunocompromised host
febrile neutropenia
antimicrobial resistanc
* Last 6 Years Citation Counts Rankings
Rankings
20,424
86
6
Ranking Based On Selection: 6
Bülent Yildiz
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,710
14,423
0.540
obesity
diabetes
polycystic ovary syndrome (PCOS)
metabolic syndrome
insulin resistanc
* Last 6 Years Citation Counts Rankings
Rankings
25,345
102
7
Ranking Based On Selection: 7
Omer Kalayci
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,979
12,495
0.403
* Last 6 Years Citation Counts Rankings
Rankings
26,177
104
8
Ranking Based On Selection: 8
Adil Denizli
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
34,311
12,235
0.357
* Last 6 Years Citation Counts Rankings
Rankings
35,999
143
9
Ranking Based On Selection: 9
Vural Gökmen
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,119
9,883
0.468
effect of processing on food quality and safet
* Last 6 Years Citation Counts Rankings
Rankings
37,036
145
10
Ranking Based On Selection: 10
Mustafa Sahmaran
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,757
9,689
0.657
Construction Materials
Circular Economy
Multi-Functional Cementitious Composites
Sustainable Developmen
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.
* Last 6 Years Citation Counts Rankings
Rankings
39,098
156
11
Ranking Based On Selection: 11
Candan Gökçeoğlu
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,391
9,333
0.458
engineering geology
rock mechanics
landslide
natural hazards
tunnellin
* Last 6 Years Citation Counts Rankings
Rankings
39,623
159
12
Ranking Based On Selection: 12
Şuayib Yalçin
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,646
9,248
0.524
* Last 6 Years Citation Counts Rankings
Rankings
46,042
187
13
Ranking Based On Selection: 13
Mustafa Turkyilmazoglu
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,305
8,325
0.626
* Last 6 Years Citation Counts Rankings
Rankings
48,826
200
14
Ranking Based On Selection: 14
Ömer Karadağ
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,567
7,986
0.690
Rheumatology
Vasculitis
Patient Registry Systems
Musculoskeletal Ultrasonography
Sacroiliac MR
* Last 6 Years Citation Counts Rankings
Rankings
49,599
203
15
Ranking Based On Selection: 15
Selcuk Dagdelen
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,509
7,898
0.585
Endocrinology and Metabolis
* Last 6 Years Citation Counts Rankings
Rankings
50,421
207
16
Ranking Based On Selection: 16
Sevtap Arikan Akdağli
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,710
7,808
0.531
* Last 6 Years Citation Counts Rankings
Rankings
55,476
222
17
Ranking Based On Selection: 17
Levent Özçakar
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,305
7,300
0.646
musculoskeletal ultrasoun
* Last 6 Years Citation Counts Rankings
Rankings
60,815
242
18
Ranking Based On Selection: 18
Erdem Karabulut
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,195
6,835
0.518
* Last 6 Years Citation Counts Rankings
Rankings
61,891
247
19
Ranking Based On Selection: 19
Sercan Aksoy
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,977
6,750
0.677
* Last 6 Years Citation Counts Rankings
Rankings
63,755
254
20
Ranking Based On Selection: 20
Ümit Murat Şahiner
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,701
6,600
0.617
* Last 6 Years Citation Counts Rankings
Rankings
67,492
265
21
Ranking Based On Selection: 21
İsmail Hakki Boyaci
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,862
6,336
0.493
* Last 6 Years Citation Counts Rankings
Rankings
77,752
315
22
Ranking Based On Selection: 22
Mustafa Tezer Kutluk
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,334
5,703
0.611
Pediatric Oncology
Global Health
Global Oncology
Childhealth
Healthcare Managemen
* Last 6 Years Citation Counts Rankings
Rankings
84,351
349
23
Ranking Based On Selection: 23
Nuray Senemoglu
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,400
5,359
0.276
Curriculum & Instruction
Educational Science
* Last 6 Years Citation Counts Rankings
Rankings
85,483
358
24
Ranking Based On Selection: 24
Mustafa Arici
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,716
5,303
0.360
* Last 6 Years Citation Counts Rankings
Rankings
87,709
370
25
Ranking Based On Selection: 25
SERDAR TEKGUL
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,066
5,199
0.470