Citation Rankings
Highly Cited Researchers

Highly Cited Researchers 1.448 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
Edward L Deci
self-determination theory
motivation
psycholog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
565,541
236,083
0.417
* Total Citation Counts Rankings
Ranking Based On Selection: 2
United States
A Bodek
Particle Physic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
333,233
100,777
0.302
* Total Citation Counts Rankings
Ranking Based On Selection: 3
United States
Aran Garcia Bellido
Particle Physic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
275,556
101,890
0.370
* Total Citation Counts Rankings
Ranking Based On Selection: 4
United States
Andrew J Elliot
motivatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
114,979
35,357
0.308
* Total Citation Counts Rankings
Ranking Based On Selection: 5
United States
Maiken Nedergaard
astrocytes
stroke
neuron
neuroscienc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
103,674
51,135
0.493
* Total Citation Counts Rankings
Ranking Based On Selection: 6
United States
Govind P Agrawal
Nonlinear optics
optical communications
silicon photonic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
98,106
19,528
0.199
* Total Citation Counts Rankings
Ranking Based On Selection: 7
United States
Robert Boyd
nonlinear optics
photonics
optical physics
nanophotonics
quantum optic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
88,346
32,261
0.365
* Total Citation Counts Rankings
Ranking Based On Selection: 8
United States
Kevin S Mcfarland
Experimental Particle Physic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
87,405
18,816
0.215
* Total Citation Counts Rankings
Ranking Based On Selection: 9
United States
Clifford W Smith
Financial economics
corporate financial policy
derivative securities and financial intermediation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
74,214
23,620
0.318

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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
Ranking Based On Selection: 10
United States
Ching W Tang
Organic Electronics
OLED
Displays
Solar Cell
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
70,864
10,681
0.151
* Total Citation Counts Rankings
Ranking Based On Selection: 11
United States
Robert H Dworkin
analgesic clinical trials
treatment of pain
prevention of pai
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
65,051
22,509
0.346
* Total Citation Counts Rankings
Ranking Based On Selection: 12
United States
Irfan Rahman
Cellular Senescence
Mitochondria
Oxidants
epigenetics
COPD and IP
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64,737
21,998
0.340
* Total Citation Counts Rankings
Ranking Based On Selection: 13
United States
Jiebo Luo
AI
multimedia
computational social science
computational medicine
big data analytic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
62,994
38,244
0.607
* Total Citation Counts Rankings
Ranking Based On Selection: 14
United States
Segev Benzvi
Particle Astrophysics
Gamma Rays
Cosmic Rays
Neutrino Astronomy
Dark Matte
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
62,566
31,597
0.505
* Total Citation Counts Rankings
Ranking Based On Selection: 15
United States
Wendi Heinzelman
Wireless communication and networking
ad hoc networks
wireless sensor network
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
62,376
9,577
0.154
* Total Citation Counts Rankings
Ranking Based On Selection: 16
United States
Steven R Gill
microbiology
microbiome
genomics
systems biolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
55,561
14,992
0.270
* Total Citation Counts Rankings
Ranking Based On Selection: 17
United States
James Allen
Artificial Intelligenc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
54,193
10,095
0.186
* Total Citation Counts Rankings
Ranking Based On Selection: 18
United States
Ronald Epstein
medicin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
54,181
19,205
0.354
* Total Citation Counts Rankings
Ranking Based On Selection: 19
United States
Harry Reis
psycholog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
53,635
16,924
0.316
* Total Citation Counts Rankings
Ranking Based On Selection: 20
United States
Bradford Berk
Vascular Biology
Atherosclerosis
Signal Transduction
Neurorehabilitatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47,456
6,551
0.138
* Total Citation Counts Rankings
Ranking Based On Selection: 21
United States
David H Mathews
Computational Biology
RNA
RNA Biolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44,523
15,517
0.349
* Total Citation Counts Rankings
Ranking Based On Selection: 22
United States
Steven A Goldman
Neuroscience
neurology
stem cell biolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44,368
16,482
0.371
* Total Citation Counts Rankings
Ranking Based On Selection: 23
United States
J Zimmerman
accountin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44,175
10,338
0.234
* Total Citation Counts Rankings
Ranking Based On Selection: 24
United States
Xi Cheng Zhang
ultrafast phenomena
nonlinear optics
THz science and technolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44,064
10,142
0.230
* Total Citation Counts Rankings
Ranking Based On Selection: 25
United States
Augusto Litonjua
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
43,030
15,757
0.366
* Total Citation Counts Rankings
Rankings
18
United States
11
1
Ranking Based On Selection: 1
Edward L Deci
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
565,541
236,083
0.417
self-determination theory
motivation
psycholog
* Total Citation Counts Rankings
Rankings
171
United States
78
2
Ranking Based On Selection: 2
A Bodek
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
333,233
100,777
0.302
* Total Citation Counts Rankings
Rankings
349
United States
147
3
Ranking Based On Selection: 3
Aran Garcia Bellido
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
275,556
101,890
0.370
* Total Citation Counts Rankings
Rankings
2,589
United States
1,209
4
Ranking Based On Selection: 4
Andrew J Elliot
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
114,979
35,357
0.308
* Total Citation Counts Rankings
Rankings
3,168
United States
1,499
5
Ranking Based On Selection: 5
Maiken Nedergaard
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
103,674
51,135
0.493
* Total Citation Counts Rankings
Rankings
3,525
United States
1,649
6
Ranking Based On Selection: 6
Govind P Agrawal
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
98,106
19,528
0.199
Nonlinear optics
optical communications
silicon photonic
* Total Citation Counts Rankings
Rankings
4,232
United States
1,992
7
Ranking Based On Selection: 7
Robert Boyd
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
88,346
32,261
0.365
nonlinear optics
photonics
optical physics
nanophotonics
quantum optic
* Total Citation Counts Rankings
Rankings
4,300
United States
2,031
8
Ranking Based On Selection: 8
Kevin S Mcfarland
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
87,405
18,816
0.215
* Total Citation Counts Rankings
Rankings
5,685
United States
2,679
9
Ranking Based On Selection: 9
Clifford W Smith
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
74,214
23,620
0.318
Financial economics
corporate financial policy
derivative securities and financial intermediation
* Total Citation Counts Rankings
Rankings
6,157
United States
2,899
10
Ranking Based On Selection: 10
Ching W Tang
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
70,864
10,681
0.151

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
7,055
United States
3,324
11
Ranking Based On Selection: 11
Robert H Dworkin
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
65,051
22,509
0.346
analgesic clinical trials
treatment of pain
prevention of pai
* Total Citation Counts Rankings
Rankings
7,105
United States
3,354
12
Ranking Based On Selection: 12
Irfan Rahman
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64,737
21,998
0.340
Cellular Senescence
Mitochondria
Oxidants
epigenetics
COPD and IP
* Total Citation Counts Rankings
Rankings
7,419
United States
3,498
13
Ranking Based On Selection: 13
Jiebo Luo
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
62,994
38,244
0.607
AI
multimedia
computational social science
computational medicine
big data analytic
* Total Citation Counts Rankings
Rankings
7,507
United States
3,538
14
Ranking Based On Selection: 14
Segev Benzvi
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
62,566
31,597
0.505
Particle Astrophysics
Gamma Rays
Cosmic Rays
Neutrino Astronomy
Dark Matte
* Total Citation Counts Rankings
Rankings
7,555
United States
3,566
15
Ranking Based On Selection: 15
Wendi Heinzelman
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
62,376
9,577
0.154
Wireless communication and networking
ad hoc networks
wireless sensor network
* Total Citation Counts Rankings
Rankings
9,105
United States
4,319
16
Ranking Based On Selection: 16
Steven R Gill
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
55,561
14,992
0.270
* Total Citation Counts Rankings
Rankings
9,477
United States
4,471
17
Ranking Based On Selection: 17
James Allen
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
54,193
10,095
0.186
* Total Citation Counts Rankings
Rankings
9,479
United States
4,472
18
Ranking Based On Selection: 18
Ronald Epstein
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
54,181
19,205
0.354
* Total Citation Counts Rankings
Rankings
9,640
United States
4,553
19
Ranking Based On Selection: 19
Harry Reis
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
53,635
16,924
0.316
* Total Citation Counts Rankings
Rankings
11,634
United States
5,491
20
Ranking Based On Selection: 20
Bradford Berk
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47,456
6,551
0.138
Vascular Biology
Atherosclerosis
Signal Transduction
Neurorehabilitatio
* Total Citation Counts Rankings
Rankings
12,943
United States
6,088
21
Ranking Based On Selection: 21
David H Mathews
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44,523
15,517
0.349
* Total Citation Counts Rankings
Rankings
13,031
United States
6,124
22
Ranking Based On Selection: 22
Steven A Goldman
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44,368
16,482
0.371
* Total Citation Counts Rankings
Rankings
13,117
United States
6,170
23
Ranking Based On Selection: 23
J Zimmerman
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44,175
10,338
0.234
* Total Citation Counts Rankings
Rankings
13,156
United States
6,188
24
Ranking Based On Selection: 24
Xi Cheng Zhang
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
44,064
10,142
0.230
ultrafast phenomena
nonlinear optics
THz science and technolog
* Total Citation Counts Rankings
Rankings
13,684
United States
6,422
25
Ranking Based On Selection: 25
Augusto Litonjua
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
43,030
15,757
0.366