Citation Rankings
Highly Cited Researchers

Highly Cited Researchers 835 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
Ireland
Derek Morris
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
60,996
30,260
0.496
* Total Citation Counts Rankings
Ranking Based On Selection: 2
Ireland
Paul D Ryan
Geology
Tectonics
Statistics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
60,353
24,313
0.403
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Ireland
Afshin Samali
Apoptosis
Cancer
cell death
endoplasmic reticulum
ER stress
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
45,753
17,506
0.383
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Ireland
Henry Curran
Reaction kinetics
energy
fuels
combustion
chemical engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41,151
16,980
0.413
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Ireland
John Laffey
Acute Respiratory Distress Syndrome
Sepsis
Cell based therapies
Postoperative Pain
Airway/Resuscitation Medical Devices
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40,289
22,652
0.562
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Ireland
Catriona Jennings
CVD Prevention
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,838
30,782
0.773
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Ireland
Colm Mcdonald
Bipolar Disorder
Schizophrenia
MRI
psychiatry
genetics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,607
22,308
0.563
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Ireland
Colin D O Dowd
Atmospheric composition & climate change.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
37,912
12,962
0.342
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Ireland
Jun Zhang
Magnetics Design
Resonant Converter
Planar Transformer
Grid-connected Inverter
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,408
9,545
0.295
* Total Citation Counts Rankings
Ranking Based On Selection: 10
Ireland
Ines Thiele
constraint-based modeling
multiscale modeling
human metabolism
gut microbiome
gut-brain-axis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,036
15,674
0.489
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Ireland
Tim O Brien
Stem cell biology
translational medicine
gene therapy
diabetes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,322
8,206
0.262
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Ireland
Adrienne Gorman
Cell death and survival
Endoplasmic reticulum stress
Unfolded protein response
Parkinson's disease
Breast cancer
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,001
12,971
0.418
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Ireland
Peter Corcoran
consumer electronics
computer vision
biometrics
deep learning
edge computing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,013
7,611
0.272
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Ireland
Frank Barry
Biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,901
6,885
0.247
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Ireland
Abhay Pandit
Biomaterials
Tissue Engineering
Regenerative Medicine
Drug Delivery
Nanotechnology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,750
13,217
0.494
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Ireland
Eva Szegezdi
Tumour microenvironment
Cancer stem cell
Apoptosis
Leukemia
Cancer biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,173
7,845
0.354
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Ireland
Sonja Khan
Molecular Biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,582
14,751
0.683
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Ireland
Mary Murphy
Arthritis
Stem Cell Biology
Regenerative Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,300
5,236
0.246
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Ireland
John Dalton
Parasitology
vaccines
immunology
molecular biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,417
5,871
0.288
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Ireland
Nicola Miller
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,645
8,436
0.429
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Ireland
Matthew Griffin
Kidney disease
regenerative medicine
immunology
transplantation
cell therapies
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,937
6,301
0.333
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Ireland
Kathy Murphy
older people
chronic disease
dementia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,287
7,748
0.424
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Ireland
Kevin F Sullivan
centromeres
mitosis
chromosomes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,917
2,468
0.138
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Ireland
Howard Oliver Fearnhead
Cell-death
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,650
6,276
0.356
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Ireland
Chris Dainty
Optics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,188
2,593
0.151
* Total Citation Counts Rankings
Rankings
7,463
Ireland
19
1
Ranking Based On Selection: 1
Derek Morris
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
60,996
30,260
0.496
* Total Citation Counts Rankings
Rankings
7,601
Ireland
20
2
Ranking Based On Selection: 2
Paul D Ryan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
60,353
24,313
0.403
* Total Citation Counts Rankings
Rankings
11,822
Ireland
34
3
Ranking Based On Selection: 3
Afshin Samali
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
45,753
17,506
0.383
Apoptosis
Cancer
cell death
endoplasmic reticulum
ER stress
* Total Citation Counts Rankings
Rankings
14,046
Ireland
41
4
Ranking Based On Selection: 4
Henry Curran
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41,151
16,980
0.413
Reaction kinetics
energy
fuels
combustion
chemical engineering
* Total Citation Counts Rankings
Rankings
14,541
Ireland
43
5
Ranking Based On Selection: 5
John Laffey
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40,289
22,652
0.562
Acute Respiratory Distress Syndrome
Sepsis
Cell based therapies
Postoperative Pain
Airway/Resuscitation Medical Devices
* Total Citation Counts Rankings
Rankings
14,814
Ireland
46
6
Ranking Based On Selection: 6
Catriona Jennings
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,838
30,782
0.773
* Total Citation Counts Rankings
Rankings
14,941
Ireland
47
7
Ranking Based On Selection: 7
Colm Mcdonald
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,607
22,308
0.563
Bipolar Disorder
Schizophrenia
MRI
psychiatry
genetics
* Total Citation Counts Rankings
Rankings
16,032
Ireland
52
8
Ranking Based On Selection: 8
Colin D O Dowd
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
37,912
12,962
0.342
* Total Citation Counts Rankings
Rankings
20,381
Ireland
71
9
Ranking Based On Selection: 9
Jun Zhang
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,408
9,545
0.295
Magnetics Design
Resonant Converter
Planar Transformer
Grid-connected Inverter
* Total Citation Counts Rankings
Rankings
20,757
Ireland
74
10
Ranking Based On Selection: 10
Ines Thiele
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,036
15,674
0.489
constraint-based modeling
multiscale modeling
human metabolism
gut microbiome
gut-brain-axis
* Total Citation Counts Rankings
Rankings
21,554
Ireland
81
11
Ranking Based On Selection: 11
Tim O Brien
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,322
8,206
0.262
Stem cell biology
translational medicine
gene therapy
diabetes
* Total Citation Counts Rankings
Rankings
21,822
Ireland
83
12
Ranking Based On Selection: 12
Adrienne Gorman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,001
12,971
0.418
Cell death and survival
Endoplasmic reticulum stress
Unfolded protein response
Parkinson's disease
Breast cancer
* Total Citation Counts Rankings
Rankings
25,538
Ireland
93
13
Ranking Based On Selection: 13
Peter Corcoran
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,013
7,611
0.272
consumer electronics
computer vision
biometrics
deep learning
edge computing
* Total Citation Counts Rankings
Rankings
25,627
Ireland
93
14
Ranking Based On Selection: 14
Frank Barry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,901
6,885
0.247
* Total Citation Counts Rankings
Rankings
27,421
Ireland
101
15
Ranking Based On Selection: 15
Abhay Pandit
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,750
13,217
0.494
Biomaterials
Tissue Engineering
Regenerative Medicine
Drug Delivery
Nanotechnology
* Total Citation Counts Rankings
Rankings
35,968
Ireland
128
16
Ranking Based On Selection: 16
Eva Szegezdi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,173
7,845
0.354
Tumour microenvironment
Cancer stem cell
Apoptosis
Leukemia
Cancer biology
* Total Citation Counts Rankings
Rankings
37,363
Ireland
133
17
Ranking Based On Selection: 17
Sonja Khan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,582
14,751
0.683
* Total Citation Counts Rankings
Rankings
38,002
Ireland
136
18
Ranking Based On Selection: 18
Mary Murphy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,300
5,236
0.246
* Total Citation Counts Rankings
Rankings
40,448
Ireland
144
19
Ranking Based On Selection: 19
John Dalton
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,417
5,871
0.288
Parasitology
vaccines
immunology
molecular biology
* Total Citation Counts Rankings
Rankings
42,588
Ireland
157
20
Ranking Based On Selection: 20
Nicola Miller
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,645
8,436
0.429
* Total Citation Counts Rankings
Rankings
44,680
Ireland
165
21
Ranking Based On Selection: 21
Matthew Griffin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,937
6,301
0.333
Kidney disease
regenerative medicine
immunology
transplantation
cell therapies
* Total Citation Counts Rankings
Rankings
46,906
Ireland
176
22
Ranking Based On Selection: 22
Kathy Murphy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,287
7,748
0.424
* Total Citation Counts Rankings
Rankings
48,236
Ireland
182
23
Ranking Based On Selection: 23
Kevin F Sullivan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,917
2,468
0.138
* Total Citation Counts Rankings
Rankings
49,330
Ireland
186
24
Ranking Based On Selection: 24
Howard Oliver Fearnhead
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,650
6,276
0.356
* Total Citation Counts Rankings
Rankings
51,077
Ireland
194
25
Ranking Based On Selection: 25
Chris Dainty
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,188
2,593
0.151