Citation Rankings
Highly Cited Researchers

Highly Cited Researchers 266 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
Fred
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
274,784
60,129
0.219
* Total Citation Counts Rankings
Ranking Based On Selection: 2
United States
Ronald M Evans
gene control
transcription
hormones
nuclear receptors
metabolis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
242,900
41,103
0.169
* Total Citation Counts Rankings
Ranking Based On Selection: 3
United States
Tony Hunter
Molecular and cell biolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
182,021
28,528
0.157
* Total Citation Counts Rankings
Ranking Based On Selection: 4
United States
Terrence Sejnowski
Computational Neuroscience
Artificial Intelligenc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
180,751
42,776
0.237
* Total Citation Counts Rankings
Ranking Based On Selection: 5
United States
Joseph R Ecker
DNA methylation
Epigenomics
Neurobiology
Plant Biology
Arabidopsi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
154,967
52,634
0.340
* Total Citation Counts Rankings
Ranking Based On Selection: 6
United States
Inder Verma
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
114,348
18,049
0.158
* Total Citation Counts Rankings
Ranking Based On Selection: 7
United States
Joanne Chory
plant growt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
92,386
22,932
0.248
* Total Citation Counts Rankings
Ranking Based On Selection: 8
United States
Juan Carlos Izpisua Belmonte
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
72,519
25,975
0.358
* Total Citation Counts Rankings
Ranking Based On Selection: 9
United States
Reuben Shaw
cancer
metabolism
growth control
signaling event
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
66,003
27,608
0.418

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Compare your institution’s global, national, and city-level ranking with its 20 closest competitors and set strategic goals.
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* Total Citation Counts Rankings
Ranking Based On Selection: 10
United States
Paul Sawchenko
neuroscienc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
61,652
6,058
0.098
* Total Citation Counts Rankings
Ranking Based On Selection: 11
United States
Geoff Wahl
stem cells
breast cancer
mammary development
cancer pathways
p53 pathwa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
51,943
9,896
0.191
* Total Citation Counts Rankings
Ranking Based On Selection: 12
United States
Susan M Kaech
Immunolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47,399
19,724
0.416
* Total Citation Counts Rankings
Ranking Based On Selection: 13
United States
Michael Downes
Molecular Biolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
45,771
17,471
0.382
* Total Citation Counts Rankings
Ranking Based On Selection: 14
United States
Ursula Bellugi
cognitive neuroscienc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
42,991
5,148
0.120
* Total Citation Counts Rankings
Ranking Based On Selection: 15
United States
Satchidananda Panda
Time-restricted eating
Circadian
Melanopsin
metabolis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41,977
21,370
0.509
* Total Citation Counts Rankings
Ranking Based On Selection: 16
United States
Manoj Hariharan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38,147
15,315
0.401
* Total Citation Counts Rankings
Ranking Based On Selection: 17
United States
Paula Tallal
Auditory temporal processing
dyslexia
language impairment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
36,829
3,535
0.096
* Total Citation Counts Rankings
Ranking Based On Selection: 18
United States
Joseph R Nery|Joseph R. Nery
DNA methylation
epigenomics
epigenetic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,752
18,087
0.536
* Total Citation Counts Rankings
Ranking Based On Selection: 19
United States
Joseph P Noel
Molecular Evolution
Structural Biology
Chemical Biology
Plant Biology
Enzymology & Biochemistr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,364
9,569
0.287
* Total Citation Counts Rankings
Ranking Based On Selection: 20
United States
Greg Lemke
neurobiology
immunolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,002
9,411
0.285
* Total Citation Counts Rankings
Ranking Based On Selection: 21
United States
Edward Callaway
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,395
12,497
0.398
* Total Citation Counts Rankings
Ranking Based On Selection: 22
United States
Jesse Dixon
Genome Biolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,464
14,389
0.544
* Total Citation Counts Rankings
Ranking Based On Selection: 23
United States
Gerald S Shadel
mitochondria
genetics
aging
signaling
gene expressio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,432
11,789
0.446
* Total Citation Counts Rankings
Ranking Based On Selection: 24
United States
Kay M Tye
Motivated Behaviors
Learning and Memory
Emotional Processing
Neural Circuits Encoding Valenc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,247
14,511
0.553
* Total Citation Counts Rankings
Ranking Based On Selection: 25
United States
Zhuzhu Zhang
Single cell genomics
Neuroscience
Epigenetics
Developmental Biolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,972
10,516
0.439
* Total Citation Counts Rankings
Rankings
348
United States
148
1
Ranking Based On Selection: 1
Fred "Rusty" Gage
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
274,784
60,129
0.219
* Total Citation Counts Rankings
Rankings
548
United States
217
2
Ranking Based On Selection: 2
Ronald M Evans
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
242,900
41,103
0.169
gene control
transcription
hormones
nuclear receptors
metabolis
* Total Citation Counts Rankings
Rankings
1,052
United States
436
3
Ranking Based On Selection: 3
Tony Hunter
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
182,021
28,528
0.157
* Total Citation Counts Rankings
Rankings
1,068
United States
443
4
Ranking Based On Selection: 4
Terrence Sejnowski
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
180,751
42,776
0.237
* Total Citation Counts Rankings
Rankings
1,425
United States
617
5
Ranking Based On Selection: 5
Joseph R Ecker
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
154,967
52,634
0.340
DNA methylation
Epigenomics
Neurobiology
Plant Biology
Arabidopsi
* Total Citation Counts Rankings
Rankings
2,608
United States
1,222
6
Ranking Based On Selection: 6
Inder Verma
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
114,348
18,049
0.158
* Total Citation Counts Rankings
Rankings
3,894
United States
1,839
7
Ranking Based On Selection: 7
Joanne Chory
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
92,386
22,932
0.248
* Total Citation Counts Rankings
Rankings
5,905
United States
2,785
8
Ranking Based On Selection: 8
Juan Carlos Izpisua Belmonte
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
72,519
25,975
0.358
* Total Citation Counts Rankings
Rankings
6,870
United States
3,235
9
Ranking Based On Selection: 9
Reuben Shaw
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
66,003
27,608
0.418
cancer
metabolism
growth control
signaling event
* Total Citation Counts Rankings
Rankings
7,666
United States
3,628
10
Ranking Based On Selection: 10
Paul Sawchenko
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
61,652
6,058
0.098

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

* Total Citation Counts Rankings
Rankings
10,100
United States
4,788
11
Ranking Based On Selection: 11
Geoff Wahl
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
51,943
9,896
0.191
stem cells
breast cancer
mammary development
cancer pathways
p53 pathwa
* Total Citation Counts Rankings
Rankings
11,606
United States
5,479
12
Ranking Based On Selection: 12
Susan M Kaech
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47,399
19,724
0.416
* Total Citation Counts Rankings
Rankings
12,288
United States
5,790
13
Ranking Based On Selection: 13
Michael Downes
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
45,771
17,471
0.382
* Total Citation Counts Rankings
Rankings
13,639
United States
6,406
14
Ranking Based On Selection: 14
Ursula Bellugi
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
42,991
5,148
0.120
* Total Citation Counts Rankings
Rankings
14,168
United States
6,650
15
Ranking Based On Selection: 15
Satchidananda Panda
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41,977
21,370
0.509
Time-restricted eating
Circadian
Melanopsin
metabolis
* Total Citation Counts Rankings
Rankings
16,514
United States
7,723
16
Ranking Based On Selection: 16
Manoj Hariharan
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38,147
15,315
0.401
* Total Citation Counts Rankings
Rankings
17,443
United States
8,128
17
Ranking Based On Selection: 17
Paula Tallal
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
36,829
3,535
0.096
Auditory temporal processing
dyslexia
language impairment
* Total Citation Counts Rankings
Rankings
19,929
United States
9,193
18
Ranking Based On Selection: 18
Joseph R Nery|Joseph R. Nery
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,752
18,087
0.536
* Total Citation Counts Rankings
Rankings
20,273
United States
9,362
19
Ranking Based On Selection: 19
Joseph P Noel
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,364
9,569
0.287
Molecular Evolution
Structural Biology
Chemical Biology
Plant Biology
Enzymology & Biochemistr
* Total Citation Counts Rankings
Rankings
20,644
United States
9,518
20
Ranking Based On Selection: 20
Greg Lemke
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
33,002
9,411
0.285
* Total Citation Counts Rankings
Rankings
22,309
United States
10,247
21
Ranking Based On Selection: 21
Edward Callaway
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,395
12,497
0.398
* Total Citation Counts Rankings
Rankings
28,920
United States
13,102
22
Ranking Based On Selection: 22
Jesse Dixon
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,464
14,389
0.544
* Total Citation Counts Rankings
Rankings
28,983
United States
13,129
23
Ranking Based On Selection: 23
Gerald S Shadel
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,432
11,789
0.446
mitochondria
genetics
aging
signaling
gene expressio
* Total Citation Counts Rankings
Rankings
29,279
United States
13,256
24
Ranking Based On Selection: 24
Kay M Tye
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,247
14,511
0.553
Motivated Behaviors
Learning and Memory
Emotional Processing
Neural Circuits Encoding Valenc
* Total Citation Counts Rankings
Rankings
33,431
United States
14,991
25
Ranking Based On Selection: 25
Zhuzhu Zhang
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,972
10,516
0.439
Single cell genomics
Neuroscience
Epigenetics
Developmental Biolog