Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Art, Design and Architecture, Business and Management, Economics and Econometrics, Education, Engineering and Technology, History, Philosophy, Theology, Law, Medicine and Health Sciences, Natural Sciences and Social Sciences and their 256 sub-branches is a unique service offered only by “AD Scientific Index”. You can see the most cited and influential researchers in the country and region. See also for more specific citation analyses: "last 6 years citation index" Universities Rankings 2024 (Sort by: Total Citations) and Universities Rankings 2024 (Sort by : Last 6 Years Citations)
* Total Citation Counts Rankings
World Rank
36,391
Country Rank
114
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/802.png)
![Türkiye](/flags/tr.png)
![Mehmet Haberal](/user/assets/images/profile/no-profile-photo.png)
Sugery
Transplantation
Burn
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,140
6,540
0.309
* Total Citation Counts Rankings
World Rank
77,126
Country Rank
275
Institution Rank : 3
![](https://cdn.adscientificindex.com/logos/4435.png)
![Türkiye](/flags/tr.png)
![Arda Işık](https://cdn.adscientificindex.com/pictures/4a/60342.jpg)
Board Certified Surgeon
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,012
10,953
0.912
* Total Citation Counts Rankings
World Rank
86,182
Country Rank
322
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/72.png)
![Türkiye](/flags/tr.png)
![Mert Erkan](https://cdn.adscientificindex.com/pictures/07/81761.jpg)
HPB surgery
tumor microenvironment
tumor stroma
stellate cells
molecular biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,955
5,604
0.512
* Total Citation Counts Rankings
World Rank
123,884
Country Rank
545
Institution Rank : 15
![](https://cdn.adscientificindex.com/logos/4444.png)
![Türkiye](/flags/tr.png)
![Vahit Özmen](https://cdn.adscientificindex.com/pictures/87/87422.jpg)
breast cancer
GERD
laparoscopic Nissen fundoplication
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,969
3,644
0.457
* Total Citation Counts Rankings
World Rank
141,024
Country Rank
689
Institution Rank : 4
![](https://cdn.adscientificindex.com/logos/4448.png)
![Türkiye](/flags/tr.png)
![Mehmet Mahir Özmen](https://cdn.adscientificindex.com/pictures/2e/80626.jpg)
Surgery
Bariatric and Metabolic Surgery
Surgical Oncology
Robotic/Laparoscopic surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,071
3,941
0.557
* Total Citation Counts Rankings
World Rank
143,448
Country Rank
711
Institution Rank : 9
![](https://cdn.adscientificindex.com/logos/72.png)
![Türkiye](/flags/tr.png)
![Erman Aytaç](https://cdn.adscientificindex.com/pictures/d4/4993883.jpg)
Laparoscopic Surgery
Colorectal Surgery
Gastrointestinal Oncology
Pelvic Floor Disorders
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,961
5,688
0.817
* Total Citation Counts Rankings
World Rank
157,326
Country Rank
823
Institution Rank : 6
![](https://cdn.adscientificindex.com/logos/3812.png)
![Türkiye](/flags/tr.png)
![Ahmet Sami Akbulut](https://cdn.adscientificindex.com/pictures/3a/191137.jpg)
Liver Transplantation
Hydatid Disease
Hepataobiliary Surgery
Appendicular Disease
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,369
4,099
0.644
* Total Citation Counts Rankings
World Rank
168,599
Country Rank
928
Institution Rank : 13
![](https://cdn.adscientificindex.com/logos/7537.jpg)
![Türkiye](/flags/tr.png)
![Fatih Altıntoprak](https://cdn.adscientificindex.com/pictures/4f/183917.jpg)
Robotic & Laparoscopic Colon-Rectum Surgery
Gastric Cancer Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,948
5,426
0.912
* Total Citation Counts Rankings
World Rank
168,742
Country Rank
930
Institution Rank : 9
![](https://cdn.adscientificindex.com/logos/3812.png)
![Türkiye](/flags/tr.png)
![Sezai Yılmaz](/user/assets/images/profile/no-profile-photo.png)
karaciğer nakli
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,943
3,608
0.607
* Total Citation Counts Rankings
World Rank
175,369
Country Rank
1,003
Institution Rank : 11
![](https://cdn.adscientificindex.com/logos/802.png)
![Türkiye](/flags/tr.png)
![Gökhan Moray](https://cdn.adscientificindex.com/pictures/0b/4993033.jpg)
Liver Transplantation
Kidney Transplantation
General Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,718
1,897
0.332
* Total Citation Counts Rankings
World Rank
179,034
Country Rank
1,038
Institution Rank : 32
![](https://cdn.adscientificindex.com/logos/484.png)
![Türkiye](/flags/tr.png)
![Mehmet Ayhan Kuzu](/user/assets/images/profile/no-profile-photo.png)
Colorectal cancer surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,597
2,023
0.361
* Total Citation Counts Rankings
World Rank
197,531
Country Rank
1,214
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/7570.png)
![Türkiye](/flags/tr.png)
![Elif Çolak|Elif Colak, Elif Çolak](https://cdn.adscientificindex.com/pictures/93/182707.jpg)
General Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,058
4,598
0.909
* Total Citation Counts Rankings
World Rank
226,388
Country Rank
1,542
Institution Rank : 35
![](https://cdn.adscientificindex.com/logos/5541.png)
![Türkiye](/flags/tr.png)
![Mustafa Ümit Uğurlu](https://cdn.adscientificindex.com/pictures/5e/82320.jpg)
breast and endocrine surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,381
2,874
0.656
* Total Citation Counts Rankings
World Rank
228,972
Country Rank
1,581
Institution Rank : 13
![](https://cdn.adscientificindex.com/logos/3812.png)
![Türkiye](/flags/tr.png)
![Cüneyt Kayaalp](https://cdn.adscientificindex.com/pictures/15/182017.jpg)
Oncologic surgery
Organ transplantation
Obesity surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,327
2,164
0.500
* Total Citation Counts Rankings
World Rank
234,137
Country Rank
1,655
Institution Rank : 40
![](https://cdn.adscientificindex.com/logos/4444.png)
![Türkiye](/flags/tr.png)
![Nurettin Umut Barbaros](https://cdn.adscientificindex.com/pictures/5c/4302477.jpg)
Genel Cerrahi - Obezite Cerrahisi -Laporoskopik Cerrahi - Robotik Cerrahi - Endokrin Cerrahi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,225
1,107
0.262
* Total Citation Counts Rankings
World Rank
236,200
Country Rank
1,686
Institution Rank : 21
![](https://cdn.adscientificindex.com/logos/7537.jpg)
![Türkiye](/flags/tr.png)
![Barış Mantoğlu](/user/assets/images/profile/no-profile-photo.png)
oncoplastic breast surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,185
4,104
0.981
* Total Citation Counts Rankings
World Rank
242,440
Country Rank
1,767
Institution Rank : 23
![](https://cdn.adscientificindex.com/logos/4752.png)
![Türkiye](/flags/tr.png)
![Ali Güner](https://cdn.adscientificindex.com/pictures/88/59946.jpg)
Upper GI Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,068
3,571
0.878
* Total Citation Counts Rankings
World Rank
243,738
Country Rank
1,782
Institution Rank : 22
![](https://cdn.adscientificindex.com/logos/7537.jpg)
![Türkiye](/flags/tr.png)
![Fehmi Çelebi](/user/assets/images/profile/no-profile-photo.png)
Hepato
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,045
2,517
0.622
* Total Citation Counts Rankings
World Rank
246,452
Country Rank
1,818
Institution Rank : 45
![](https://cdn.adscientificindex.com/logos/4444.png)
![Türkiye](/flags/tr.png)
![Hakan Teoman Yanar](https://cdn.adscientificindex.com/pictures/0d/209786.jpg)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,998
2,113
0.529
* Total Citation Counts Rankings
World Rank
258,834
Country Rank
1,983
Institution Rank : 42
![](https://cdn.adscientificindex.com/logos/2332.jpg)
![Türkiye](/flags/tr.png)
![Erdoğan Sözüer](https://cdn.adscientificindex.com/pictures/07/183282.jpg)
Surgical Oncology
Advanced Laparascopy
Endoscopy
Experimental Research
Gastrointestinal Surgery.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,784
1,201
0.317
* Total Citation Counts Rankings
World Rank
264,563
Country Rank
2,059
Institution Rank : 75
![](https://cdn.adscientificindex.com/logos/4972.png)
![Türkiye](/flags/tr.png)
![Emre Balık](https://cdn.adscientificindex.com/pictures/5c/182955.jpg)
Gastrointestinal Surgery (Upper and Lower)
Gastrointestinal Endoscopy
Minimally Invasive and Robotic Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,691
2,663
0.721
* Total Citation Counts Rankings
World Rank
269,956
Country Rank
2,134
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/12185.png)
![Türkiye](/flags/tr.png)
![Güldeniz Karadeniz Çakmak](https://cdn.adscientificindex.com/pictures/01/209386.jpg)
Breast
thyroid
parathyroid
oncology
surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,603
2,579
0.716
* Total Citation Counts Rankings
World Rank
270,058
Country Rank
2,135
Institution Rank : 17
![](https://cdn.adscientificindex.com/logos/6726.png)
![Türkiye](/flags/tr.png)
![Uğur Sungurtekin](https://cdn.adscientificindex.com/pictures/79/87198.jpg)
Colorectal Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,602
1,642
0.456
* Total Citation Counts Rankings
World Rank
280,182
Country Rank
2,257
Institution Rank : 10
![](https://cdn.adscientificindex.com/logos/5289.png)
![Türkiye](/flags/tr.png)
![İsmail Hakan Kulaçoğlu](https://cdn.adscientificindex.com/pictures/b0/211367.jpg)
Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,452
1,213
0.351
* Total Citation Counts Rankings
World Rank
282,617
Country Rank
2,299
Institution Rank : 80
![](https://cdn.adscientificindex.com/logos/4972.png)
![Türkiye](/flags/tr.png)
![Tevfik Serdar Tezelman](https://cdn.adscientificindex.com/pictures/08/86772.jpg)
endocrine surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,417
814
0.238
* Total Citation Counts Rankings
World Ranking
36,391
Country Ranking
114
Institution Ranking
2
Mehmet Haberal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,140
6,540
0.309
![](https://cdn.adscientificindex.com/logos/802.png)
Sugery
Transplantation
Burn
* Total Citation Counts Rankings
World Ranking
77,126
Country Ranking
275
Institution Ranking
3
Arda Işık
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,012
10,953
0.912
* Total Citation Counts Rankings
World Ranking
86,182
Country Ranking
322
Institution Ranking
2
Mert Erkan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,955
5,604
0.512
![](https://cdn.adscientificindex.com/logos/72.png)
HPB surgery
tumor microenvironment
tumor stroma
stellate cells
molecular biology
* Total Citation Counts Rankings
World Ranking
123,884
Country Ranking
545
Institution Ranking
15
Vahit Özmen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,969
3,644
0.457
![](https://cdn.adscientificindex.com/logos/4444.png)
breast cancer
GERD
laparoscopic Nissen fundoplication
* Total Citation Counts Rankings
World Ranking
141,024
Country Ranking
689
Institution Ranking
4
Mehmet Mahir Özmen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,071
3,941
0.557
![](https://cdn.adscientificindex.com/logos/4448.png)
Surgery
Bariatric and Metabolic Surgery
Surgical Oncology
Robotic/Laparoscopic surgery
* Total Citation Counts Rankings
World Ranking
143,448
Country Ranking
711
Institution Ranking
9
Erman Aytaç
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,961
5,688
0.817
![](https://cdn.adscientificindex.com/logos/72.png)
Laparoscopic Surgery
Colorectal Surgery
Gastrointestinal Oncology
Pelvic Floor Disorders
* Total Citation Counts Rankings
World Ranking
157,326
Country Ranking
823
Institution Ranking
6
Ahmet Sami Akbulut
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,369
4,099
0.644
![](https://cdn.adscientificindex.com/logos/3812.png)
Liver Transplantation
Hydatid Disease
Hepataobiliary Surgery
Appendicular Disease
* Total Citation Counts Rankings
World Ranking
168,599
Country Ranking
928
Institution Ranking
13
Fatih Altıntoprak
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,948
5,426
0.912
![](https://cdn.adscientificindex.com/logos/7537.jpg)
Robotic & Laparoscopic Colon-Rectum Surgery
Gastric Cancer Surgery
* Total Citation Counts Rankings
World Ranking
168,742
Country Ranking
930
Institution Ranking
9
Sezai Yılmaz
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,943
3,608
0.607
* Total Citation Counts Rankings
World Ranking
175,369
Country Ranking
1,003
Institution Ranking
11
Gökhan Moray
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,718
1,897
0.332
![](https://cdn.adscientificindex.com/logos/802.png)
Liver Transplantation
Kidney Transplantation
General Surgery
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* Total Citation Counts Rankings
World Ranking
179,034
Country Ranking
1,038
Institution Ranking
32
Mehmet Ayhan Kuzu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,597
2,023
0.361
![](https://cdn.adscientificindex.com/logos/484.png)
Colorectal cancer surgery
* Total Citation Counts Rankings
World Ranking
197,531
Country Ranking
1,214
Institution Ranking
1
Elif Çolak|Elif Colak, Elif Çolak
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,058
4,598
0.909
* Total Citation Counts Rankings
World Ranking
226,388
Country Ranking
1,542
Institution Ranking
35
Mustafa Ümit Uğurlu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,381
2,874
0.656
![](https://cdn.adscientificindex.com/logos/5541.png)
breast and endocrine surgery
* Total Citation Counts Rankings
World Ranking
228,972
Country Ranking
1,581
Institution Ranking
13
Cüneyt Kayaalp
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,327
2,164
0.500
![](https://cdn.adscientificindex.com/logos/3812.png)
Oncologic surgery
Organ transplantation
Obesity surgery
* Total Citation Counts Rankings
World Ranking
234,137
Country Ranking
1,655
Institution Ranking
40
Nurettin Umut Barbaros
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,225
1,107
0.262
![](https://cdn.adscientificindex.com/logos/4444.png)
Genel Cerrahi - Obezite Cerrahisi -Laporoskopik Cerrahi - Robotik Cerrahi - Endokrin Cerrahi
* Total Citation Counts Rankings
World Ranking
236,200
Country Ranking
1,686
Institution Ranking
21
Barış Mantoğlu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,185
4,104
0.981
![](https://cdn.adscientificindex.com/logos/7537.jpg)
oncoplastic breast surgery
* Total Citation Counts Rankings
World Ranking
242,440
Country Ranking
1,767
Institution Ranking
23
Ali Güner
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,068
3,571
0.878
* Total Citation Counts Rankings
World Ranking
243,738
Country Ranking
1,782
Institution Ranking
22
Fehmi Çelebi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,045
2,517
0.622
* Total Citation Counts Rankings
World Ranking
246,452
Country Ranking
1,818
Institution Ranking
45
Hakan Teoman Yanar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,998
2,113
0.529
* Total Citation Counts Rankings
World Ranking
258,834
Country Ranking
1,983
Institution Ranking
42
Erdoğan Sözüer
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,784
1,201
0.317
![](https://cdn.adscientificindex.com/logos/2332.jpg)
Surgical Oncology
Advanced Laparascopy
Endoscopy
Experimental Research
Gastrointestinal Surgery.
* Total Citation Counts Rankings
World Ranking
264,563
Country Ranking
2,059
Institution Ranking
75
Emre Balık
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,691
2,663
0.721
![](https://cdn.adscientificindex.com/logos/4972.png)
Gastrointestinal Surgery (Upper and Lower)
Gastrointestinal Endoscopy
Minimally Invasive and Robotic Surgery
* Total Citation Counts Rankings
World Ranking
269,956
Country Ranking
2,134
Institution Ranking
2
Güldeniz Karadeniz Çakmak
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,603
2,579
0.716
![](https://cdn.adscientificindex.com/logos/12185.png)
Breast
thyroid
parathyroid
oncology
surgery
* Total Citation Counts Rankings
World Ranking
270,058
Country Ranking
2,135
Institution Ranking
17
Uğur Sungurtekin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,602
1,642
0.456
* Total Citation Counts Rankings
World Ranking
280,182
Country Ranking
2,257
Institution Ranking
10
İsmail Hakan Kulaçoğlu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,452
1,213
0.351
* Total Citation Counts Rankings
World Ranking
282,617
Country Ranking
2,299
Institution Ranking
80
Tevfik Serdar Tezelman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,417
814
0.238