Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 3.130 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
Genetics
Genomics
Methylomic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
182,635
104,390
0.572
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* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 2
Economics
Econometrics
Macroeconomics
Applied Econometrics
Panel Data Econometric
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
191,403
93,318
0.488
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 3
Epigenetics
DNA methylation
CIMP
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
152,911
84,855
0.555
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 4
Brain Imaging
Neurology
Psychiatry
Neuroimaging
Genetic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
207,718
79,362
0.382
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 5
neuroscience
neuroimaging
informatic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
170,098
60,208
0.354
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 6
hematopoiesis
hematologic malignancies
cardiotoxicity
cell-free DNA
DNA methylatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
91,868
48,279
0.526
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 7
Computational Biolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
63,147
48,051
0.761
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 8
cancer and genetic epidemiolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
92,670
46,837
0.505
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 9
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
86,258
40,783
0.473
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* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 10
social psychology
cognitive psychology
consumer research
decision making
survey methodolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
141,600
40,329
0.285
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 11
strok
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
132,963
39,485
0.297
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 12
GI Oncology
Molecular Characterization
Early Drug Development
colon cancer
oncolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
91,503
39,152
0.428
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 13
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
80,179
38,879
0.485
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 14
genomics Bioinformatic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
82,570
35,975
0.436
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 15
Photonics
Optics
Quantum Electronic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
88,368
35,765
0.405
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 16
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
105,255
35,722
0.339
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 17
In-Memory Computing
neuromorphic computing
machine learning hardware
Memristor
RRA
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
58,019
35,383
0.610
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 18
data science
bioinformatics
systems biolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
69,262
33,168
0.479
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 19
environmental health
epidemiology
metals
medicine
global healt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
72,395
30,927
0.427
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 20
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
119,588
30,813
0.258
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 21
Materials Science and Engineering
Creep
Superplasticity
Ultrafine-Grained Materials
Severe Plastic Deformatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
106,128
29,394
0.277
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 22
wireless propagation channels
multi-antenna systems
ultrawideband communications and positioning
cooperative communication
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
76,478
28,687
0.375
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 23
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
57,298
28,000
0.489
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 24
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
72,929
27,322
0.375
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 25
implementation science
mental health services research
climate change and mental healt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
49,330
27,302
0.553
* Last 6 Years Citation Counts Rankings
Rankings
595
195
1
Ranking Based On Selection: 1
David J Van Den Berg
University of Southern California
Los Angeles, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
182,635
104,390
0.572
Genetics
Genomics
Methylomic
* Last 6 Years Citation Counts Rankings
Rankings
846
274
2
Ranking Based On Selection: 2
Mohammad Hashem Pesaran
University of Southern California
Los Angeles, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
191,403
93,318
0.488
Economics
Econometrics
Macroeconomics
Applied Econometrics
Panel Data Econometric
* Last 6 Years Citation Counts Rankings
Rankings
1,072
361
3
Ranking Based On Selection: 3
Dan Weisenberger
University of Southern California
Los Angeles, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
152,911
84,855
0.555
Epigenetics
DNA methylation
CIMP
* Last 6 Years Citation Counts Rankings
Rankings
1,288
462
4
Ranking Based On Selection: 4
Paul Thompson
University of Southern California
Los Angeles, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
207,718
79,362
0.382
Brain Imaging
Neurology
Psychiatry
Neuroimaging
Genetic
* Last 6 Years Citation Counts Rankings
Rankings
2,114
815
5
Ranking Based On Selection: 5
Arthur W Toga
University of Southern California
Los Angeles, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
170,098
60,208
0.354
neuroscience
neuroimaging
informatic
* Last 6 Years Citation Counts Rankings
Rankings
3,025
1,188
6
Ranking Based On Selection: 6
Timothy Triche
University of Southern California
Los Angeles, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
91,868
48,279
0.526
hematopoiesis
hematologic malignancies
cardiotoxicity
cell-free DNA
DNA methylatio
* Last 6 Years Citation Counts Rankings
Rankings
3,053
1,201
7
Ranking Based On Selection: 7
Mark Chaisson
University of Southern California
Los Angeles, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
63,147
48,051
0.761
* Last 6 Years Citation Counts Rankings
Rankings
3,197
1,253
8
Ranking Based On Selection: 8
Christopher Haiman
University of Southern California
Los Angeles, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
92,670
46,837
0.505
cancer and genetic epidemiolog
* Last 6 Years Citation Counts Rankings
Rankings
3,998
1,586
9
Ranking Based On Selection: 9
Paul D Thomas
University of Southern California
Los Angeles, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
86,258
40,783
0.473
* Last 6 Years Citation Counts Rankings
Rankings
4,063
1,614
10
Ranking Based On Selection: 10
Norbert Schwarz
University of Southern California
Los Angeles, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
141,600
40,329
0.285
social psychology
cognitive psychology
consumer research
decision making
survey methodolog
Is Your University Ready for the Future?
Compare your institution’s global, national, and city-level ranking with its 20 closest competitors and set strategic goals.
Gain insights from detailed performance analyses of scientists across 13 major disciplines, identify your strengths, improve weaknesses, and gain a competitive edge.. Check Your Free Sample Performance Analysis
* Last 6 Years Citation Counts Rankings
Rankings
4,191
1,665
11
Ranking Based On Selection: 11
Patrick Lyden
University of Southern California
Los Angeles, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
132,963
39,485
0.297
* Last 6 Years Citation Counts Rankings
Rankings
4,256
1,693
12
Ranking Based On Selection: 12
Heinz Josef Len
University of Southern California
Los Angeles, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
91,503
39,152
0.428
GI Oncology
Molecular Characterization
Early Drug Development
colon cancer
oncolog
* Last 6 Years Citation Counts Rankings
Rankings
4,313
1,710
13
Ranking Based On Selection: 13
Berislav Zlokovic
University of Southern California
Los Angeles, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
80,179
38,879
0.485
* Last 6 Years Citation Counts Rankings
Rankings
4,901
1,937
14
Ranking Based On Selection: 14
David Wesley Craig
University of Southern California
Los Angeles, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
82,570
35,975
0.436
genomics Bioinformatic
* Last 6 Years Citation Counts Rankings
Rankings
4,929
1,950
15
Ranking Based On Selection: 15
Demetrios Christodoulides
University of Southern California
Los Angeles, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
88,368
35,765
0.405
* Last 6 Years Citation Counts Rankings
Rankings
4,942
1,957
16
Ranking Based On Selection: 16
Amytis Towfighi
University of Southern California
Los Angeles, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
105,255
35,722
0.339
* Last 6 Years Citation Counts Rankings
Rankings
5,013
1,991
17
Ranking Based On Selection: 17
J Joshua Yang
University of Southern California
Los Angeles, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
58,019
35,383
0.610
In-Memory Computing
neuromorphic computing
machine learning hardware
Memristor
RRA
* Last 6 Years Citation Counts Rankings
Rankings
5,558
2,232
18
Ranking Based On Selection: 18
Huaiyu Mi
University of Southern California
Los Angeles, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
69,262
33,168
0.479
data science
bioinformatics
systems biolog
* Last 6 Years Citation Counts Rankings
Rankings
6,193
2,475
19
Ranking Based On Selection: 19
Howard Hu
University of Southern California
Los Angeles, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
72,395
30,927
0.427
environmental health
epidemiology
metals
medicine
global healt
* Last 6 Years Citation Counts Rankings
Rankings
6,226
2,491
20
Ranking Based On Selection: 20
Mark Thompson
University of Southern California
Los Angeles, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
119,588
30,813
0.258
* Last 6 Years Citation Counts Rankings
Rankings
6,691
2,681
21
Ranking Based On Selection: 21
Terence G Langdon
University of Southern California
Los Angeles, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
106,128
29,394
0.277
Materials Science and Engineering
Creep
Superplasticity
Ultrafine-Grained Materials
Severe Plastic Deformatio
* Last 6 Years Citation Counts Rankings
Rankings
6,934
2,777
22
Ranking Based On Selection: 22
Andreas F Molisch
University of Southern California
Los Angeles, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
76,478
28,687
0.375
wireless propagation channels
multi-antenna systems
ultrawideband communications and positioning
cooperative communication
* Last 6 Years Citation Counts Rankings
Rankings
7,232
2,902
23
Ranking Based On Selection: 23
Norah Terrault
University of Southern California
Los Angeles, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
57,298
28,000
0.489
* Last 6 Years Citation Counts Rankings
Rankings
7,532
3,007
24
Ranking Based On Selection: 24
Arthur A Stone
University of Southern California
Los Angeles, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
72,929
27,322
0.375
* Last 6 Years Citation Counts Rankings
Rankings
7,542
3,009
25
Ranking Based On Selection: 25
Lawrence Palinkas
University of Southern California
Los Angeles, United States
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
49,330
27,302
0.553
implementation science
mental health services research
climate change and mental healt