Citation Rankings
Highly Cited Researchers

Highly Cited Researchers 72 Scientists Citation Rankings - 2025

The Citation Rankings (Highly Cited Researchers) list highlight the most cited and influential researchers across a vast range of scientific fields, covering 197 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings. This service, offered exclusively by AD Scientific Index, aims to provide a balanced perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers, particularly in the social sciences and humanities. This unique approach addresses the advantages researchers with multi-author publications and CERN involvement hold over others. Furthermore, citation rankings help uncover rule violations and unethical practices within the research community. For more detailed citation analyses, explore the Scientists Last 6 Years Citation Index, Universities Total Citations Rankings 2025, and Universities Last 6 Years Citations Rankings 2025.

* Total Citation Counts Rankings
Ranking Based On Selection: 1
Canada
BäRlocher Felix
Microbial ecology
decomposition
aquatic fungi
stream ecology
aquatic ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,407
3,203
0.208
* Total Citation Counts Rankings
Ranking Based On Selection: 2
Canada
Judith Holton
management
organizational theory
grounded theory
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,693
3,682
0.424
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Canada
Douglas A Campbell
phytoplankton
cyanobacteria
photosynthesis
photosystem II
electron transport
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,249
2,786
0.338
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Canada
Nancy Garon
Executive Functions
social
preschool
autistic spectrum disorder
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,097
3,684
0.455
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Canada
Stephen A Westcott
Boron Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,855
2,927
0.373
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Canada
Gene Ouellette
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,172
1,966
0.380
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Canada
Tyson J Maccormack
Comparative physiology
nanotoxicology
fish physiology
cephalopods
biochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,127
3,948
0.770
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Canada
Stephen J Geier
inorganic chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,749
2,125
0.447
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Canada
Brad Walters
human ecology
environment and development
tropical forests
mangroves
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,554
1,125
0.247

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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Canada
Matt Litvak
fish ecology and aquaculture
reproduction
cryopreservation
animal tracking
statistics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,831
950
0.248
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Canada
Irena Kaczmarska
diatom evolution
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,797
856
0.225
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Canada
Craig Brett
Public Economics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,555
543
0.153
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Canada
Ralf Brüning
materials science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,439
805
0.234
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Canada
Jenny PS Wong
atmospheric chemistry
air quality
environmental analytical chemistry
aerosol toxicity
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,686
1,817
0.676
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Canada
Robert Hawkes
meteor
ablation
education
electro-optical
impact
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,655
463
0.174
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Canada
Diana J Hamilton
Ecology
Ornithology
Marine Biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,430
1,079
0.444
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Canada
Leslie Kern
gentrification
gender
embodiment
cities
collective biography
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,382
1,645
0.691
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Canada
Nathaniel Johnston
Quantum Information Theory
Matrix Analysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,223
1,231
0.554
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Canada
Amanda Cockshutt
biochemistry
molecular biology
oceanography
phytoplankton
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,210
468
0.212
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Canada
Joshua Kurek
Aquatic ecosystems
Environmental Science
Paleolimnology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,872
743
0.397
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Canada
Bob Rosebrugh
Category theory
Theory of database systems
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,798
446
0.248
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Canada
Lisa Dawn Hamilton
Psychology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,787
735
0.411
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Canada
Chris Brown
Environmental proteomics
photosynthesis
viruses
microbial processes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,689
845
0.500
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Canada
Jill Rourke
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,624
771
0.475
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Canada
Andrea Morash
Metabolism
mitochondria
environment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,379
720
0.522
* Total Citation Counts Rankings
Rankings
59,030
Canada
2,600
1
Ranking Based On Selection: 1
BäRlocher Felix
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,407
3,203
0.208
Microbial ecology
decomposition
aquatic fungi
stream ecology
aquatic ecology
* Total Citation Counts Rankings
Rankings
117,938
Canada
5,234
2
Ranking Based On Selection: 2
Judith Holton
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,693
3,682
0.424
management
organizational theory
grounded theory
* Total Citation Counts Rankings
Rankings
124,998
Canada
5,534
3
Ranking Based On Selection: 3
Douglas A Campbell
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,249
2,786
0.338
phytoplankton
cyanobacteria
photosynthesis
photosystem II
electron transport
* Total Citation Counts Rankings
Rankings
127,567
Canada
5,638
4
Ranking Based On Selection: 4
Nancy Garon
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,097
3,684
0.455
Executive Functions
social
preschool
autistic spectrum disorder
* Total Citation Counts Rankings
Rankings
131,938
Canada
5,815
5
Ranking Based On Selection: 5
Stephen A Westcott
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,855
2,927
0.373
* Total Citation Counts Rankings
Rankings
202,203
Canada
8,679
6
Ranking Based On Selection: 6
Gene Ouellette
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,172
1,966
0.380
* Total Citation Counts Rankings
Rankings
203,934
Canada
8,749
7
Ranking Based On Selection: 7
Tyson J Maccormack
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,127
3,948
0.770
Comparative physiology
nanotoxicology
fish physiology
cephalopods
biochemistry
* Total Citation Counts Rankings
Rankings
219,507
Canada
9,389
8
Ranking Based On Selection: 8
Stephen J Geier
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,749
2,125
0.447
* Total Citation Counts Rankings
Rankings
228,278
Canada
9,732
9
Ranking Based On Selection: 9
Brad Walters
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,554
1,125
0.247
human ecology
environment and development
tropical forests
mangroves
* Total Citation Counts Rankings
Rankings
267,207
Canada
11,174
10
Ranking Based On Selection: 10
Matt Litvak
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,831
950
0.248
fish ecology and aquaculture
reproduction
cryopreservation
animal tracking
statistics

360° Institutional Performance & Benchmarking Click Here for Live Demo 

Gain data-driven strategic insights into your institution’s academic performance, global positioning, and competitive strengths through advanced analysis and benchmarking

with 20 similarly ranked institutions at City, Country, Region, and Global levels. 

* Total Citation Counts Rankings
Rankings
269,232
Canada
11,246
11
Ranking Based On Selection: 11
Irena Kaczmarska
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,797
856
0.225
* Total Citation Counts Rankings
Rankings
285,047
Canada
11,842
12
Ranking Based On Selection: 12
Craig Brett
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,555
543
0.153
* Total Citation Counts Rankings
Rankings
293,332
Canada
12,146
13
Ranking Based On Selection: 13
Ralf Brüning
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,439
805
0.234
* Total Citation Counts Rankings
Rankings
359,362
Canada
14,499
14
Ranking Based On Selection: 14
Jenny PS Wong
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,686
1,817
0.676
atmospheric chemistry
air quality
environmental analytical chemistry
aerosol toxicity
* Total Citation Counts Rankings
Rankings
362,841
Canada
14,607
15
Ranking Based On Selection: 15
Robert Hawkes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,655
463
0.174
meteor
ablation
education
electro-optical
impact
* Total Citation Counts Rankings
Rankings
388,439
Canada
15,417
16
Ranking Based On Selection: 16
Diana J Hamilton
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,430
1,079
0.444
* Total Citation Counts Rankings
Rankings
394,286
Canada
15,618
17
Ranking Based On Selection: 17
Leslie Kern
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,382
1,645
0.691
gentrification
gender
embodiment
cities
collective biography
* Total Citation Counts Rankings
Rankings
414,916
Canada
16,269
18
Ranking Based On Selection: 18
Nathaniel Johnston
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,223
1,231
0.554
Quantum Information Theory
Matrix Analysis
* Total Citation Counts Rankings
Rankings
416,792
Canada
16,325
19
Ranking Based On Selection: 19
Amanda Cockshutt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,210
468
0.212
biochemistry
molecular biology
oceanography
phytoplankton
* Total Citation Counts Rankings
Rankings
469,301
Canada
17,893
20
Ranking Based On Selection: 20
Joshua Kurek
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,872
743
0.397
Aquatic ecosystems
Environmental Science
Paleolimnology
* Total Citation Counts Rankings
Rankings
482,546
Canada
18,271
21
Ranking Based On Selection: 21
Bob Rosebrugh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,798
446
0.248
Category theory
Theory of database systems
* Total Citation Counts Rankings
Rankings
484,577
Canada
18,349
22
Ranking Based On Selection: 22
Lisa Dawn Hamilton
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,787
735
0.411
* Total Citation Counts Rankings
Rankings
503,481
Canada
18,926
23
Ranking Based On Selection: 23
Chris Brown
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,689
845
0.500
Environmental proteomics
photosynthesis
viruses
microbial processes
* Total Citation Counts Rankings
Rankings
516,865
Canada
19,324
24
Ranking Based On Selection: 24
Jill Rourke
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,624
771
0.475
* Total Citation Counts Rankings
Rankings
572,595
Canada
20,910
25
Ranking Based On Selection: 25
Andrea Morash
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,379
720
0.522
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