Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 435 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: 1
oncolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
70,923
36,374
0.513
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* Total Citation Counts Rankings
Ranking Based On Selection: 2
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
42,073
12,014
0.286
* Total Citation Counts Rankings
Ranking Based On Selection: 3
neuroscinc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40,596
10,564
0.260
* Total Citation Counts Rankings
Ranking Based On Selection: 4
심장질환
빅데이터
인공지�
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,528
14,317
0.362
* Total Citation Counts Rankings
Ranking Based On Selection: 5
pancreas & bile duct cancer early detectio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,044
15,866
0.495
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Hepatolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,606
17,303
0.605
* Total Citation Counts Rankings
Ranking Based On Selection: 7
patholog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,001
9,952
0.383
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Gastroenterology
Inflammatory Bowel Diseas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,938
10,196
0.393
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Nuclear Medicin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,840
9,909
0.434
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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Radiology
Artificial intelligence
Health technology assessmen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,293
9,853
0.486
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Infectious Disease
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,779
9,549
0.483
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Endoscopic ultrasound
Interventional EUS
Pancreatic cancer
Gastrointestinal endoscopy
Gastroenterolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,679
8,183
0.438
* Total Citation Counts Rankings
Ranking Based On Selection: 13
medicin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,254
9,113
0.499
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Neurology
Digital Therapeutics
Imagin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,965
7,387
0.411
* Total Citation Counts Rankings
Ranking Based On Selection: 15
metabolism senescenc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,477
6,752
0.386
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Deep learning in medicine
3D printing
Medical image processing
Computer aided diagnosis/surger
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,320
10,124
0.585
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,079
5,449
0.319
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Gastroenterology
Gastrointestinal Carcinogenesis
Molecular Imaging
Constipatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,632
6,676
0.401
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,213
7,895
0.487
* Total Citation Counts Rankings
Ranking Based On Selection: 20
flexible and stretchable devices
graphene
soft lithograph
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,590
6,046
0.388
* Total Citation Counts Rankings
Ranking Based On Selection: 21
obesity
appetite
hypothalamu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,560
4,942
0.339
* Total Citation Counts Rankings
Ranking Based On Selection: 22
MR imaging of head and neck cancer
Functional imaging of temporal bon
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,490
5,994
0.414
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Nanotechnolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,297
6,530
0.457
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Postdoc position is available for polymer composites researc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,491
6,613
0.490
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Photocatalysis
CO2 Energy Conversion
Water Splitting
Environmental Chemistry
Air Pollution Control Engieerin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,441
8,845
0.658
* Total Citation Counts Rankings
Rankings
6,206
62
1
Ranking Based On Selection: 1
Yoon-Koo Kang
University of Ulsan
Ulsan, South Korea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
70,923
36,374
0.513
* Total Citation Counts Rankings
Rankings
14,254
115
2
Ranking Based On Selection: 2
Sang Yoon Kim
University of Ulsan
Ulsan, South Korea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
42,073
12,014
0.286
* Total Citation Counts Rankings
Rankings
15,145
120
3
Ranking Based On Selection: 3
Jae-Young Koh
University of Ulsan
Ulsan, South Korea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40,596
10,564
0.260
* Total Citation Counts Rankings
Rankings
15,779
126
4
Ranking Based On Selection: 4
Young-Hak Kim
University of Ulsan
Ulsan, South Korea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,528
14,317
0.362
* Total Citation Counts Rankings
Rankings
21,871
174
5
Ranking Based On Selection: 5
Seung-Mo Hong
University of Ulsan
Ulsan, South Korea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,044
15,866
0.495
pancreas & bile duct cancer early detectio
* Total Citation Counts Rankings
Rankings
25,939
215
6
Ranking Based On Selection: 6
Young-Suk Lim
University of Ulsan
Ulsan, South Korea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,606
17,303
0.605
* Total Citation Counts Rankings
Rankings
29,986
272
7
Ranking Based On Selection: 7
Chong Jai Kim
University of Ulsan
Ulsan, South Korea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,001
9,952
0.383
* Total Citation Counts Rankings
Rankings
30,098
273
8
Ranking Based On Selection: 8
Suk-Kyun Yang
University of Ulsan
Ulsan, South Korea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,938
10,196
0.393
Gastroenterology
Inflammatory Bowel Diseas
* Total Citation Counts Rankings
Rankings
36,108
338
9
Ranking Based On Selection: 9
Jae Seung Kim
University of Ulsan
Ulsan, South Korea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,840
9,909
0.434
* Total Citation Counts Rankings
Rankings
42,676
427
10
Ranking Based On Selection: 10
Seong Ho Park
University of Ulsan
Ulsan, South Korea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,293
9,853
0.486
Radiology
Artificial intelligence
Health technology assessmen
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
44,156
453
11
Ranking Based On Selection: 11
Sung-Han Kim
University of Ulsan
Ulsan, South Korea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,779
9,549
0.483
Infectious Disease
* Total Citation Counts Rankings
Rankings
47,780
508
12
Ranking Based On Selection: 12
Do Hyun Park
University of Ulsan
Ulsan, South Korea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,679
8,183
0.438
Endoscopic ultrasound
Interventional EUS
Pancreatic cancer
Gastrointestinal endoscopy
Gastroenterolog
* Total Citation Counts Rankings
Rankings
49,330
527
13
Ranking Based On Selection: 13
Joon-Beom Seo
University of Ulsan
Ulsan, South Korea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,254
9,113
0.499
* Total Citation Counts Rankings
Rankings
50,366
548
14
Ranking Based On Selection: 14
Dong-Wha Kang
University of Ulsan
Ulsan, South Korea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,965
7,387
0.411
Neurology
Digital Therapeutics
Imagin
* Total Citation Counts Rankings
Rankings
52,271
572
15
Ranking Based On Selection: 15
Seong Who Kim
University of Ulsan
Ulsan, South Korea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,477
6,752
0.386
* Total Citation Counts Rankings
Rankings
52,871
584
16
Ranking Based On Selection: 16
Namkug Kim
University of Ulsan
Ulsan, South Korea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,320
10,124
0.585
Deep learning in medicine
3D printing
Medical image processing
Computer aided diagnosis/surger
* Total Citation Counts Rankings
Rankings
53,882
597
17
Ranking Based On Selection: 17
Shinuk Cho
University of Ulsan
Ulsan, South Korea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,079
5,449
0.319
* Total Citation Counts Rankings
Rankings
55,908
626
18
Ranking Based On Selection: 18
Seung-Jae Myung
University of Ulsan
Ulsan, South Korea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,632
6,676
0.401
Gastroenterology
Gastrointestinal Carcinogenesis
Molecular Imaging
Constipatio
* Total Citation Counts Rankings
Rankings
57,733
645
19
Ranking Based On Selection: 19
Sang Hyoung Park
University of Ulsan
Ulsan, South Korea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,213
7,895
0.487
* Total Citation Counts Rankings
Rankings
60,935
695
20
Ranking Based On Selection: 20
Won Mook Choi
University of Ulsan
Ulsan, South Korea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,590
6,046
0.388
* Total Citation Counts Rankings
Rankings
66,602
778
21
Ranking Based On Selection: 21
Min-Seon Kim
University of Ulsan
Ulsan, South Korea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,560
4,942
0.339
* Total Citation Counts Rankings
Rankings
67,053
787
22
Ranking Based On Selection: 22
Jeong Hyun Lee
University of Ulsan
Ulsan, South Korea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,490
5,994
0.414
MR imaging of head and neck cancer
Functional imaging of temporal bon
* Total Citation Counts Rankings
Rankings
68,220
808
23
Ranking Based On Selection: 23
Seung Hyun Hur
University of Ulsan
Ulsan, South Korea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,297
6,530
0.457
* Total Citation Counts Rankings
Rankings
73,380
907
24
Ranking Based On Selection: 24
Jin Suk Chung
University of Ulsan
Ulsan, South Korea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,491
6,613
0.490
Postdoc position is available for polymer composites researc
* Total Citation Counts Rankings
Rankings
73,752
914
25
Ranking Based On Selection: 25
Byeong Kyu Lee
University of Ulsan
Ulsan, South Korea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,441
8,845
0.658
Photocatalysis
CO2 Energy Conversion
Water Splitting
Environmental Chemistry
Air Pollution Control Engieerin