Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 5.825 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
machine learning
psychology
artificial intelligence
cognitive science
computer scienc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
917,954
543,636
0.592
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* Total Citation Counts Rankings
Ranking Based On Selection: 2
Elementary Particle Physic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
440,531
138,121
0.314
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Clinical Epidemiology
Epidemiology
Cardiology
Clinical Trials
Meta-Analysi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
312,527
214,714
0.687
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Diabetes
Lipid
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
186,759
83,281
0.446
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Sepsis
Innate Immunity
Apoptosis
Clinical Trials
Critical Care Medicin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
182,322
74,582
0.409
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Electrocatalysis
quantum dots
perovskites
CO2 capture
Reactive captur
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
180,759
123,133
0.681
* Total Citation Counts Rankings
Ranking Based On Selection: 7
systematic reviews
network meta-analysis
meta-analysis
knowledge synthesis
evidence-informed practic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
179,491
167,891
0.935
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Neuroscienc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
175,550
68,721
0.391
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
165,982
77,325
0.466
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* Total Citation Counts Rankings
Ranking Based On Selection: 10
scientific publishing
evidence synthesis
equity
reproducibilit
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
164,608
151,179
0.918
* Total Citation Counts Rankings
Ranking Based On Selection: 11
high energy physics
uncertaint
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
142,555
25,792
0.181
* Total Citation Counts Rankings
Ranking Based On Selection: 12
cosmology
astrophysics
particle theory
nuclear physic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
134,951
57,747
0.428
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Cognitive Neuroscienc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
129,333
20,377
0.158
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
120,285
75,438
0.627
* Total Citation Counts Rankings
Ranking Based On Selection: 15
systems biolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
119,268
82,306
0.690
* Total Citation Counts Rankings
Ranking Based On Selection: 16
data science
ecology
community ecology
statistics
theoretical ecolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
113,754
77,599
0.682
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Use of diet in the prevention and treatment of hyperlipidemia and diabete
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
113,262
40,249
0.355
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Surgery
Cancer
Genomic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
108,958
43,244
0.397
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
105,860
74,803
0.707
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Cardiolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
104,974
48,782
0.465
* Total Citation Counts Rankings
Ranking Based On Selection: 21
organizational psychology
industrial psychology
human resource managemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
103,641
26,933
0.260
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Cognitive Psychology
Reasoning
Decision Making
Educational Psychology
Readin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
100,834
24,455
0.243
* Total Citation Counts Rankings
Ranking Based On Selection: 23
resuscitatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
97,977
37,361
0.381
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Education
Language
Bilingualis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
95,692
23,542
0.246
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Theoretical chemistry
quantum information science
Physical Chemistry
Energy Materials
Machine Learnin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
95,608
71,420
0.747
* Total Citation Counts Rankings
Rankings
2
2
1
Ranking Based On Selection: 1
Geoffrey Hinton
University of Toronto
Toronto, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
917,954
543,636
0.592
machine learning
psychology
artificial intelligence
cognitive science
computer scienc
* Total Citation Counts Rankings
Rankings
53
5
2
Ranking Based On Selection: 2
Pekka Sinervo
University of Toronto
Toronto, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
440,531
138,121
0.314
* Total Citation Counts Rankings
Rankings
205
14
3
Ranking Based On Selection: 3
Peter Jüni
University of Toronto
Toronto, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
312,527
214,714
0.687
Clinical Epidemiology
Epidemiology
Cardiology
Clinical Trials
Meta-Analysi
* Total Citation Counts Rankings
Rankings
1,004
40
4
Ranking Based On Selection: 4
Lawrence Leiter
University of Toronto
Toronto, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
186,759
83,281
0.446
* Total Citation Counts Rankings
Rankings
1,057
41
5
Ranking Based On Selection: 5
John C Marshall
University of Toronto
Toronto, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
182,322
74,582
0.409
Sepsis
Innate Immunity
Apoptosis
Clinical Trials
Critical Care Medicin
* Total Citation Counts Rankings
Rankings
1,071
42
6
Ranking Based On Selection: 6
Edward Sargent
University of Toronto
Toronto, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
180,759
123,133
0.681
Electrocatalysis
quantum dots
perovskites
CO2 capture
Reactive captur
* Total Citation Counts Rankings
Rankings
1,088
44
7
Ranking Based On Selection: 7
Andrea Tricco
University of Toronto
Toronto, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
179,491
167,891
0.935
systematic reviews
network meta-analysis
meta-analysis
knowledge synthesis
evidence-informed practic
* Total Citation Counts Rankings
Rankings
1,134
45
8
Ranking Based On Selection: 8
Anthony E Lang
University of Toronto
Toronto, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
175,550
68,721
0.391
* Total Citation Counts Rankings
Rankings
1,265
50
9
Ranking Based On Selection: 9
Slutsky AS
University of Toronto
Toronto, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
165,982
77,325
0.466
* Total Citation Counts Rankings
Rankings
1,286
52
10
Ranking Based On Selection: 10
Larissa Shamseer
University of Toronto
Toronto, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
164,608
151,179
0.918
scientific publishing
evidence synthesis
equity
reproducibilit
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
1,696
70
11
Ranking Based On Selection: 11
David C Bailey
University of Toronto
Toronto, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
142,555
25,792
0.181
* Total Citation Counts Rankings
Rankings
1,889
76
12
Ranking Based On Selection: 12
J Richard Bond
University of Toronto
Toronto, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
134,951
57,747
0.428
cosmology
astrophysics
particle theory
nuclear physic
* Total Citation Counts Rankings
Rankings
2,066
80
13
Ranking Based On Selection: 13
Endel Tulving
University of Toronto
Toronto, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
129,333
20,377
0.158
* Total Citation Counts Rankings
Rankings
2,361
88
14
Ranking Based On Selection: 14
Sharon Straus
University of Toronto
Toronto, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
120,285
75,438
0.627
* Total Citation Counts Rankings
Rankings
2,410
90
15
Ranking Based On Selection: 15
Lei Li
University of Toronto
Toronto, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
119,268
82,306
0.690
* Total Citation Counts Rankings
Rankings
2,652
98
16
Ranking Based On Selection: 16
Steve Walker
University of Toronto
Toronto, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
113,754
77,599
0.682
data science
ecology
community ecology
statistics
theoretical ecolog
* Total Citation Counts Rankings
Rankings
2,672
99
17
Ranking Based On Selection: 17
David Ja Jenkins
University of Toronto
Toronto, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
113,262
40,249
0.355
Use of diet in the prevention and treatment of hyperlipidemia and diabete
* Total Citation Counts Rankings
Rankings
2,883
110
18
Ranking Based On Selection: 18
Steven Gallinger
University of Toronto
Toronto, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
108,958
43,244
0.397
Surgery
Cancer
Genomic
* Total Citation Counts Rankings
Rankings
3,043
113
19
Ranking Based On Selection: 19
Harald Pfeiffer
University of Toronto
Toronto, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
105,860
74,803
0.707
* Total Citation Counts Rankings
Rankings
3,093
117
20
Ranking Based On Selection: 20
Shaun Goodman
University of Toronto
Toronto, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
104,974
48,782
0.465
* Total Citation Counts Rankings
Rankings
3,172
121
21
Ranking Based On Selection: 21
Gary Latham
University of Toronto
Toronto, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
103,641
26,933
0.260
organizational psychology
industrial psychology
human resource managemen
* Total Citation Counts Rankings
Rankings
3,331
128
22
Ranking Based On Selection: 22
Keith E Stanovich
University of Toronto
Toronto, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
100,834
24,455
0.243
Cognitive Psychology
Reasoning
Decision Making
Educational Psychology
Readin
* Total Citation Counts Rankings
Rankings
3,541
133
23
Ranking Based On Selection: 23
Laurie J Morrison
University of Toronto
Toronto, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
97,977
37,361
0.381
* Total Citation Counts Rankings
Rankings
3,674
139
24
Ranking Based On Selection: 24
Jim Cummins
University of Toronto
Toronto, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
95,692
23,542
0.246
* Total Citation Counts Rankings
Rankings
3,685
141
26
Ranking Based On Selection: 25
Alan Aspuru Guzik
University of Toronto
Toronto, Canada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
95,608
71,420
0.747
Theoretical chemistry
quantum information science
Physical Chemistry
Energy Materials
Machine Learnin