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
1,889
Country Rank
866
Institution Rank : 3
![](https://cdn.adscientificindex.com/logos/1075.jpg)
![United States](/flags/us.png)
![Frank Sellke](https://cdn.adscientificindex.com/pictures/87/847424.jpg)
cardiac surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
126,487
55,007
0.435
* Total Citation Counts Rankings
World Rank
1,940
Country Rank
897
Institution Rank : 18
![](https://cdn.adscientificindex.com/logos/1736.jpg)
![United States](/flags/us.png)
![Michael Borger](/user/assets/images/profile/no-profile-photo.png)
Cardiac Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
124,606
80,067
0.643
* Total Citation Counts Rankings
World Rank
3,548
Country Rank
135
Institution Rank : 6
![](https://cdn.adscientificindex.com/logos/10885.jpg)
![Canada](/flags/ca.png)
![Carlos A Morillo](https://cdn.adscientificindex.com/pictures/f1/641614.jpg)
Arrhythmias
Ablation
Atrial Fibrillation
Chagas
Syncope
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
91,560
39,088
0.427
* Total Citation Counts Rankings
World Rank
3,698
Country Rank
1,769
Institution Rank : 17
![](https://cdn.adscientificindex.com/logos/24586.png)
![United States](/flags/us.png)
![Robert Kormos](/user/assets/images/profile/no-profile-photo.png)
Cardiovascular surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
89,509
32,973
0.368
* Total Citation Counts Rankings
World Rank
4,026
Country Rank
328
Institution Rank : 30
![](https://cdn.adscientificindex.com/logos/3649.png)
![United Kingdom](/flags/gb.png)
![Alun Huw Davies](/user/assets/images/profile/no-profile-photo.png)
vascular surgery
vascular biology
cost effectiveness
DVT
varicose veins
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
85,283
41,351
0.485
* Total Citation Counts Rankings
World Rank
4,396
Country Rank
2,107
Institution Rank : 16
![](https://cdn.adscientificindex.com/logos/5361.jpg)
![United States](/flags/us.png)
![Jack Roth](https://cdn.adscientificindex.com/pictures/8f/1384351.jpg)
lung cancer
gene therapy
drug and immunotherapy resistance
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
80,691
17,498
0.217
* Total Citation Counts Rankings
World Rank
9,404
Country Rank
372
Institution Rank : 18
![](https://cdn.adscientificindex.com/logos/11561.png)
![Australia](/flags/au.png)
![Paul Norman](/user/assets/images/profile/no-profile-photo.png)
Abdominal aortic aneurysm
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
50,818
22,754
0.448
* Total Citation Counts Rankings
World Rank
9,851
Country Rank
4,717
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/25243.png)
![United States](/flags/us.png)
![Constantine Mavroudis](https://cdn.adscientificindex.com/pictures/76/4962974.jpg)
Congenital Cardiac Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
49,449
28,140
0.569
* Total Citation Counts Rankings
World Rank
14,300
Country Rank
26
Institution Rank : 5
![](https://cdn.adscientificindex.com/logos/9815.png)
![Portugal](/flags/pt.png)
![Adelino Leite-Moreira](/user/assets/images/profile/no-profile-photo.png)
Cardiac surgery
Cardiovascular diseases
Heart failure
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,136
25,068
0.641
* Total Citation Counts Rankings
World Rank
16,436
Country Rank
7,781
Institution Rank : 29
![](https://cdn.adscientificindex.com/logos/11459.gif)
![United States](/flags/us.png)
![Robert Jaquiss](/user/assets/images/profile/no-profile-photo.png)
pediatric cardiac surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
35,827
25,150
0.702
* Total Citation Counts Rankings
World Rank
17,446
Country Rank
1,521
Institution Rank : 108
![](https://cdn.adscientificindex.com/logos/3649.png)
![United Kingdom](/flags/gb.png)
![Thanos Athanasiou](/user/assets/images/profile/no-profile-photo.png)
surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
34,528
14,601
0.423
* Total Citation Counts Rankings
World Rank
17,917
Country Rank
784
Institution Rank : 40
![](https://cdn.adscientificindex.com/logos/5330.png)
![Germany](/flags/de.png)
![Nikolaos Tsilimparis](https://cdn.adscientificindex.com/pictures/33/1761818.jpg)
Vascular and Endovascular Surgery
Aortic aneurismal disease
Aortic surgery
Carotid artery disease
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,910
28,834
0.850
* Total Citation Counts Rankings
World Rank
17,951
Country Rank
1,573
Institution Rank : 41
![](https://cdn.adscientificindex.com/logos/14639.png)
![United Kingdom](/flags/gb.png)
![RJ Hinchliffe](/user/assets/images/profile/no-profile-photo.png)
Vascular surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,849
22,266
0.658
* Total Citation Counts Rankings
World Rank
18,129
Country Rank
223
Institution Rank : 26
![](https://cdn.adscientificindex.com/logos/5336.jpg)
![Sweden](/flags/se.png)
![Jan Nilsson](https://cdn.adscientificindex.com/pictures/a0/1398986.jpg)
Atherosclerosis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,621
9,052
0.269
* Total Citation Counts Rankings
World Rank
20,372
Country Rank
165
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/25247.png)
![Belgium](/flags/be.png)
![Jozef Bartunek](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,236
10,414
0.333
* Total Citation Counts Rankings
World Rank
22,107
Country Rank
9
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/5562.png)
![Kenya](/flags/ke.png)
![Stephen Ogendo](/user/assets/images/profile/no-profile-photo.png)
Cardiothoracic surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,634
25,326
0.855
* Total Citation Counts Rankings
World Rank
24,206
Country Rank
11,201
Institution Rank : 99
![](https://cdn.adscientificindex.com/logos/11008.jpg)
![United States](/flags/us.png)
![Gilbert Upchurch](/user/assets/images/profile/no-profile-photo.png)
vascular surgery
aortic aneurysms
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,965
10,268
0.367
* Total Citation Counts Rankings
World Rank
29,592
Country Rank
124
Institution Rank : 65
![](https://cdn.adscientificindex.com/logos/6065.png)
![Greece](/flags/gr.png)
![Christos D Liapis](https://cdn.adscientificindex.com/pictures/3a/1839999.jpg)
Vascular Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24,445
7,896
0.323
* Total Citation Counts Rankings
World Rank
31,236
Country Rank
14,227
Institution Rank : 178
![](https://cdn.adscientificindex.com/logos/10897.jpg)
![United States](/flags/us.png)
![Michael S Conte](https://cdn.adscientificindex.com/pictures/2c/1876857.jpg)
vascular surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,561
12,998
0.552
* Total Citation Counts Rankings
World Rank
32,398
Country Rank
14,704
Institution Rank : 152
![](https://cdn.adscientificindex.com/logos/10917.jpg)
![United States](/flags/us.png)
![Mahesh P Gupta](https://cdn.adscientificindex.com/pictures/82/1849890.jpg)
Sirtuins in Cardiac Cell Signaling
Growth and Apoptosis
Cardiac Hypertrophy
Fibrosis
Toxicity of Anti-Cancer Drugs
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,986
8,911
0.388
* Total Citation Counts Rankings
World Rank
32,472
Country Rank
664
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/15860.png)
![France](/flags/fr.png)
![Jean Baptiste Ricco](https://cdn.adscientificindex.com/pictures/61/1708808.jpg)
chirurgie vasculaire
anévrysmes aortiques
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,945
16,215
0.707
* Total Citation Counts Rankings
World Rank
32,608
Country Rank
14,781
Institution Rank : 86
![](https://cdn.adscientificindex.com/logos/6547.jpg)
![United States](/flags/us.png)
![Pei Hui Lin](https://cdn.adscientificindex.com/pictures/e5/892282.jpg)
Cardiac
Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,872
12,085
0.528
* Total Citation Counts Rankings
World Rank
34,638
Country Rank
3,039
Institution Rank : 367
![](https://cdn.adscientificindex.com/logos/11272.jpg)
![United Kingdom](/flags/gb.png)
![Alison Halliday](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,888
14,790
0.676
* Total Citation Counts Rankings
World Rank
36,726
Country Rank
1,593
Institution Rank : 11
![](https://cdn.adscientificindex.com/logos/10396.png)
![Germany](/flags/de.png)
![Matthias Thielmann](/user/assets/images/profile/no-profile-photo.png)
Cardiac Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,006
10,360
0.493
* Total Citation Counts Rankings
World Rank
37,911
Country Rank
1,625
Institution Rank : 76
![](https://cdn.adscientificindex.com/logos/10885.jpg)
![Canada](/flags/ca.png)
![Paul WM Fedak](https://cdn.adscientificindex.com/pictures/a5/643110.jpg)
Cardiac Surgery
Bicuspid Aortopathy
Biomaterials
Cardiac Fibroblasts
Extracellular Matrix
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,546
5,962
0.290
* Total Citation Counts Rankings
World Ranking
1,889
Country Ranking
866
Institution Ranking
3
Frank Sellke
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
126,487
55,007
0.435
* Total Citation Counts Rankings
World Ranking
1,940
Country Ranking
897
Institution Ranking
18
Michael Borger
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
124,606
80,067
0.643
* Total Citation Counts Rankings
World Ranking
3,548
Country Ranking
135
Institution Ranking
6
Carlos A Morillo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
91,560
39,088
0.427
![](https://cdn.adscientificindex.com/logos/10885.jpg)
Arrhythmias
Ablation
Atrial Fibrillation
Chagas
Syncope
* Total Citation Counts Rankings
World Ranking
3,698
Country Ranking
1,769
Institution Ranking
17
Robert Kormos
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
89,509
32,973
0.368
![](https://cdn.adscientificindex.com/logos/24586.png)
Cardiovascular surgery
* Total Citation Counts Rankings
World Ranking
4,026
Country Ranking
328
Institution Ranking
30
Alun Huw Davies
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
85,283
41,351
0.485
![](https://cdn.adscientificindex.com/logos/3649.png)
vascular surgery
vascular biology
cost effectiveness
DVT
varicose veins
* Total Citation Counts Rankings
World Ranking
4,396
Country Ranking
2,107
Institution Ranking
16
Jack Roth
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
80,691
17,498
0.217
![](https://cdn.adscientificindex.com/logos/5361.jpg)
lung cancer
gene therapy
drug and immunotherapy resistance
* Total Citation Counts Rankings
World Ranking
9,404
Country Ranking
372
Institution Ranking
18
Paul Norman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
50,818
22,754
0.448
![](https://cdn.adscientificindex.com/logos/11561.png)
Abdominal aortic aneurysm
* Total Citation Counts Rankings
World Ranking
9,851
Country Ranking
4,717
Institution Ranking
1
Constantine Mavroudis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
49,449
28,140
0.569
![](https://cdn.adscientificindex.com/logos/25243.png)
Congenital Cardiac Surgery
* Total Citation Counts Rankings
World Ranking
14,300
Country Ranking
26
Institution Ranking
5
Adelino Leite-Moreira
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,136
25,068
0.641
![](https://cdn.adscientificindex.com/logos/9815.png)
Cardiac surgery
Cardiovascular diseases
Heart failure
* Total Citation Counts Rankings
World Ranking
16,436
Country Ranking
7,781
Institution Ranking
29
Robert Jaquiss
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
35,827
25,150
0.702
![](https://cdn.adscientificindex.com/logos/11459.gif)
pediatric cardiac surgery
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* Total Citation Counts Rankings
World Ranking
17,446
Country Ranking
1,521
Institution Ranking
108
Thanos Athanasiou
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
34,528
14,601
0.423
* Total Citation Counts Rankings
World Ranking
17,917
Country Ranking
784
Institution Ranking
40
Nikolaos Tsilimparis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,910
28,834
0.850
![](https://cdn.adscientificindex.com/logos/5330.png)
Vascular and Endovascular Surgery
Aortic aneurismal disease
Aortic surgery
Carotid artery disease
* Total Citation Counts Rankings
World Ranking
17,951
Country Ranking
1,573
Institution Ranking
41
RJ Hinchliffe
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,849
22,266
0.658
* Total Citation Counts Rankings
World Ranking
18,129
Country Ranking
223
Institution Ranking
26
Jan Nilsson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,621
9,052
0.269
* Total Citation Counts Rankings
World Ranking
20,372
Country Ranking
165
Institution Ranking
1
Jozef Bartunek
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,236
10,414
0.333
* Total Citation Counts Rankings
World Ranking
22,107
Country Ranking
9
Institution Ranking
1
Stephen Ogendo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,634
25,326
0.855
![](https://cdn.adscientificindex.com/logos/5562.png)
Cardiothoracic surgery
* Total Citation Counts Rankings
World Ranking
24,206
Country Ranking
11,201
Institution Ranking
99
Gilbert Upchurch
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,965
10,268
0.367
![](https://cdn.adscientificindex.com/logos/11008.jpg)
vascular surgery
aortic aneurysms
* Total Citation Counts Rankings
World Ranking
29,592
Country Ranking
124
Institution Ranking
65
Christos D Liapis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
24,445
7,896
0.323
* Total Citation Counts Rankings
World Ranking
31,236
Country Ranking
14,227
Institution Ranking
178
Michael S Conte
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,561
12,998
0.552
* Total Citation Counts Rankings
World Ranking
32,398
Country Ranking
14,704
Institution Ranking
152
Mahesh P Gupta
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,986
8,911
0.388
![](https://cdn.adscientificindex.com/logos/10917.jpg)
Sirtuins in Cardiac Cell Signaling
Growth and Apoptosis
Cardiac Hypertrophy
Fibrosis
Toxicity of Anti-Cancer Drugs
* Total Citation Counts Rankings
World Ranking
32,472
Country Ranking
664
Institution Ranking
2
Jean Baptiste Ricco
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,945
16,215
0.707
![](https://cdn.adscientificindex.com/logos/15860.png)
chirurgie vasculaire
anévrysmes aortiques
* Total Citation Counts Rankings
World Ranking
32,608
Country Ranking
14,781
Institution Ranking
86
Pei Hui Lin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,872
12,085
0.528
* Total Citation Counts Rankings
World Ranking
34,638
Country Ranking
3,039
Institution Ranking
367
Alison Halliday
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,888
14,790
0.676
* Total Citation Counts Rankings
World Ranking
36,726
Country Ranking
1,593
Institution Ranking
11
Matthias Thielmann
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,006
10,360
0.493
* Total Citation Counts Rankings
World Ranking
37,911
Country Ranking
1,625
Institution Ranking
76
Paul WM Fedak
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,546
5,962
0.290
![](https://cdn.adscientificindex.com/logos/10885.jpg)
Cardiac Surgery
Bicuspid Aortopathy
Biomaterials
Cardiac Fibroblasts
Extracellular Matrix