Citation Rankings
Highly Cited Researchers

Highly Cited Researchers 843 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
United States
Aruni Bhatnagar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
125,758
55,401
0.441
* Total Citation Counts Rankings
Ranking Based On Selection: 2
United States
Norman L Lehman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
52,658
36,365
0.691
* Total Citation Counts Rankings
Ranking Based On Selection: 3
United States
Jeffrey C Valentine
Meta-analysis
education policy
self-beliefs and motivatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44,116
26,135
0.592
* Total Citation Counts Rankings
Ranking Based On Selection: 4
United States
Seyed M Karimi *
Health Economics
Labor/Development Economic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,870
28,059
0.854
* Total Citation Counts Rankings
Ranking Based On Selection: 5
United States
Robert Friedland
dementi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,352
5,770
0.211
* Total Citation Counts Rankings
Ranking Based On Selection: 6
United States
Mark S Slaughter
cardiovascular device
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,993
9,613
0.370
* Total Citation Counts Rankings
Ranking Based On Selection: 7
United States
Jonathan Chaires
biophysic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,661
5,181
0.202
* Total Citation Counts Rankings
Ranking Based On Selection: 8
United States
Jon Klein
Nephrology
proteomics
biomarker
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,505
7,046
0.276
* Total Citation Counts Rankings
Ranking Based On Selection: 9
United States
Manuel Casanova
neurology
neuropathology
neuroanatomy
autism
schizophreni
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,461
5,824
0.248

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
Ranking Based On Selection: 10
United States
Xiao Feng Li
Cancer management
imaging guided drug development
PET/CT
hypoxia
molecular imagin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,720
15,851
0.698
* Total Citation Counts Rankings
Ranking Based On Selection: 11
United States
Bradford G Hill
Cardiac Metabolism
Heart Failure
Mitochondrial Biology
Stem Cell
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,939
10,643
0.485
* Total Citation Counts Rankings
Ranking Based On Selection: 12
United States
Jun Yan
Tumor immunotherapy
gdT cells
Autoreactive B cell
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,059
12,471
0.592
* Total Citation Counts Rankings
Ranking Based On Selection: 13
United States
Benne Holwerda
Astronomy
Astrophysic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,043
13,864
0.659
* Total Citation Counts Rankings
Ranking Based On Selection: 14
United States
Ramesh C Gupta
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,515
6,698
0.326
* Total Citation Counts Rankings
Ranking Based On Selection: 15
United States
Jacek M Zurada
neural networks
deep learning
explainable AI
computational intelligenc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,133
5,390
0.268
* Total Citation Counts Rankings
Ranking Based On Selection: 16
United States
Thomas Abell
gastroenterolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,993
7,348
0.387
* Total Citation Counts Rankings
Ranking Based On Selection: 17
United States
James L Wittliff
Biochemistry
Laboratory medicine
breast cancer research
molecular endocrinology
genomic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,301
4,235
0.231
* Total Citation Counts Rankings
Ranking Based On Selection: 18
United States
David W Hein
precision medicine
precision environmental healt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,095
2,504
0.138
* Total Citation Counts Rankings
Ranking Based On Selection: 19
United States
Gautam Gupta
Water Splitting
Perovskites
Graphene
Bioimmobilization
Catalysi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,625
9,336
0.530
* Total Citation Counts Rankings
Ranking Based On Selection: 20
United States
Susmita Datta
Biostatistics
Bioinformatics
Proteomics
Computational Biology
Infectious disease modelin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,464
6,188
0.354
* Total Citation Counts Rankings
Ranking Based On Selection: 21
United States
Lee Dugatkin
evolution of behavior
history of scienc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,133
2,951
0.183
* Total Citation Counts Rankings
Ranking Based On Selection: 22
United States
WM Pierce
proteomics
bone pharmacotherapeutics
drug desig
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,723
2,788
0.177
* Total Citation Counts Rankings
Ranking Based On Selection: 23
United States
Scott Whittemore
spinal cord injur
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,570
2,155
0.138
* Total Citation Counts Rankings
Ranking Based On Selection: 24
United States
Aly Farag
Computer Vision
Medical Imaging
Biometric
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,260
3,264
0.214
* Total Citation Counts Rankings
Ranking Based On Selection: 25
United States
Sahoo Prasanna
Functional Equations
Image Processing
Pricing Theory
Information Theor
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,227
3,271
0.215
* Total Citation Counts Rankings
Rankings
2,172
United States
999
1
Ranking Based On Selection: 1
Aruni Bhatnagar
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
125,758
55,401
0.441
* Total Citation Counts Rankings
Rankings
9,974
United States
4,699
2
Ranking Based On Selection: 2
Norman L Lehman
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
52,658
36,365
0.691
* Total Citation Counts Rankings
Rankings
13,218
United States
6,207
3
Ranking Based On Selection: 3
Jeffrey C Valentine
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44,116
26,135
0.592
Meta-analysis
education policy
self-beliefs and motivatio
* Total Citation Counts Rankings
Rankings
20,979
United States
9,622
4
Ranking Based On Selection: 4
Seyed M Karimi *
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,870
28,059
0.854
* Total Citation Counts Rankings
Rankings
27,805
United States
12,624
5
Ranking Based On Selection: 5
Robert Friedland
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,352
5,770
0.211
* Total Citation Counts Rankings
Rankings
30,007
United States
13,544
6
Ranking Based On Selection: 6
Mark S Slaughter
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,993
9,613
0.370
* Total Citation Counts Rankings
Rankings
30,598
United States
13,797
7
Ranking Based On Selection: 7
Jonathan Chaires
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,661
5,181
0.202
* Total Citation Counts Rankings
Rankings
30,871
United States
13,911
8
Ranking Based On Selection: 8
Jon Klein
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,505
7,046
0.276
* Total Citation Counts Rankings
Rankings
34,778
United States
15,522
9
Ranking Based On Selection: 9
Manuel Casanova
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,461
5,824
0.248
neurology
neuropathology
neuroanatomy
autism
schizophreni
* Total Citation Counts Rankings
Rankings
36,360
United States
16,176
10
Ranking Based On Selection: 10
Xiao Feng Li
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,720
15,851
0.698
Cancer management
imaging guided drug development
PET/CT
hypoxia
molecular imagin

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
38,253
United States
16,963
11
Ranking Based On Selection: 11
Bradford G Hill
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,939
10,643
0.485
Cardiac Metabolism
Heart Failure
Mitochondrial Biology
Stem Cell
* Total Citation Counts Rankings
Rankings
40,564
United States
17,853
12
Ranking Based On Selection: 12
Jun Yan
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,059
12,471
0.592
Tumor immunotherapy
gdT cells
Autoreactive B cell
* Total Citation Counts Rankings
Rankings
40,607
United States
17,874
13
Ranking Based On Selection: 13
Benne Holwerda
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,043
13,864
0.659
* Total Citation Counts Rankings
Rankings
42,048
United States
18,394
14
Ranking Based On Selection: 14
Ramesh C Gupta
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,515
6,698
0.326
* Total Citation Counts Rankings
Rankings
43,134
United States
18,818
15
Ranking Based On Selection: 15
Jacek M Zurada
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,133
5,390
0.268
neural networks
deep learning
explainable AI
computational intelligenc
* Total Citation Counts Rankings
Rankings
46,681
United States
20,199
16
Ranking Based On Selection: 16
Thomas Abell
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,993
7,348
0.387
* Total Citation Counts Rankings
Rankings
49,131
United States
21,184
17
Ranking Based On Selection: 17
James L Wittliff
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,301
4,235
0.231
Biochemistry
Laboratory medicine
breast cancer research
molecular endocrinology
genomic
* Total Citation Counts Rankings
Rankings
49,882
United States
21,469
18
Ranking Based On Selection: 18
David W Hein
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,095
2,504
0.138
* Total Citation Counts Rankings
Rankings
51,667
United States
22,178
19
Ranking Based On Selection: 19
Gautam Gupta
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,625
9,336
0.530
Water Splitting
Perovskites
Graphene
Bioimmobilization
Catalysi
* Total Citation Counts Rankings
Rankings
52,328
United States
22,440
20
Ranking Based On Selection: 20
Susmita Datta
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,464
6,188
0.354
Biostatistics
Bioinformatics
Proteomics
Computational Biology
Infectious disease modelin
* Total Citation Counts Rankings
Rankings
58,116
United States
24,643
21
Ranking Based On Selection: 21
Lee Dugatkin
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,133
2,951
0.183
* Total Citation Counts Rankings
Rankings
60,243
United States
25,428
22
Ranking Based On Selection: 22
WM Pierce
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,723
2,788
0.177
* Total Citation Counts Rankings
Rankings
61,034
United States
25,740
23
Ranking Based On Selection: 23
Scott Whittemore
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,570
2,155
0.138
* Total Citation Counts Rankings
Rankings
62,635
United States
26,351
24
Ranking Based On Selection: 24
Aly Farag
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,260
3,264
0.214
* Total Citation Counts Rankings
Rankings
62,808
United States
26,418
25
Ranking Based On Selection: 25
Sahoo Prasanna
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,227
3,271
0.215
Functional Equations
Image Processing
Pricing Theory
Information Theor