Citation Rankings
Highly Cited Researchers

Ireland Highly Cited Researchers Citation in Ireland Rankings 2025

The Citation Rankings (Highly Cited Researchers) 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.

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Total 893 scientist, 1 country, 31 institution
* Total Citation Counts Rankings
Ranking Based On Selection :1
Ireland
John Cryan
Neuropharmacology
stress
neurogastroenterology
microbiome
psychopharmacology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
121,300
79,803
0.658
* Total Citation Counts Rankings
Ranking Based On Selection :2
Ireland
Timothy Dinan
gut microbiota
psychiatry
nutrition
psychopharmacology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
120,959
78,101
0.646
* Total Citation Counts Rankings
Ranking Based On Selection :3
Ireland
Colin Hill
Microbiology
microbiome
bacteriophage
bacteriocins
infection
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
97,843
49,919
0.510
* Total Citation Counts Rankings
Ranking Based On Selection :4
Ireland
Rp Brennan
Neuroradiology
Stroke
Carotid
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
95,522
42,504
0.445
* Total Citation Counts Rankings
Ranking Based On Selection :5
Ireland
Seamus Martin
apoptosis
cell death
inflammation
necrosis
IL-1 cytokine family
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
75,066
24,636
0.328
* Total Citation Counts Rankings
Ranking Based On Selection :6
Ireland
Michael Zaworotko
crystal engineering
pharmaceutical materials
porous materials
pharmaceutical cocrystals
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64,116
21,165
0.330
* Total Citation Counts Rankings
Ranking Based On Selection :7
Ireland
Douwe Van Sinderen
Bacteriophage
lactic acid bacteria
bifidobacteria
gut microbiota
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59,147
32,719
0.553
* Total Citation Counts Rankings
Ranking Based On Selection :8
Ireland
Paul Cotter
Microbiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
57,514
37,013
0.644
* Total Citation Counts Rankings
Ranking Based On Selection :9
Ireland
Paul O Toole
Microbiome
lactobacillus
IBS
colorectal cancer
ageing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
53,701
34,029
0.634
* Total Citation Counts Rankings
Ranking Based On Selection :10
Ireland
Brian Lawlor
Alzheimer's disease
psychopharmacology
BPSD
late-life depression
cognition
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47,104
21,504
0.457
* Total Citation Counts Rankings
Ranking Based On Selection :11
Ireland
Kingston Mills
Immunology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
46,329
19,696
0.425
* Total Citation Counts Rankings
Ranking Based On Selection :12
Ireland
Timothy Foster J
microbiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
45,201
14,343
0.317
* Total Citation Counts Rankings
Ranking Based On Selection :13
Ireland
Gerard Clarke
Neurogastroenterology
Microbiome
Tryptophan
Kynurenine
Stress
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
43,853
33,723
0.769
* Total Citation Counts Rankings
Ranking Based On Selection :14
Ireland
Oliver Fitzgerald
Rheumatology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,786
15,686
0.394
* Total Citation Counts Rankings
Ranking Based On Selection :15
Ireland
Alan D Irvine
dermatology
genodermatoses
atopic dermatitis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,568
18,221
0.460
* Total Citation Counts Rankings
Ranking Based On Selection :16
Ireland
Colm Mcdonald
Bipolar Disorder
Schizophrenia
MRI
psychiatry
genetics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38,752
24,789
0.640
* Total Citation Counts Rankings
Ranking Based On Selection :17
Ireland
Catriona Jennings
CVD Prevention
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38,364
33,028
0.861
* Total Citation Counts Rankings
Ranking Based On Selection :18
Ireland
Walter Mcnicholas
sleep medicine
sleep research
sleep apnea
COPD
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
37,148
11,560
0.311
* Total Citation Counts Rankings
Ranking Based On Selection :19
Ireland
Anne Marie Clare Kelly
Developmental Cognitive Neuroscience
Brain Connectivity
fMRI
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
36,176
16,186
0.447
* Total Citation Counts Rankings
Ranking Based On Selection :20
Ireland
Michael Hutchinson
neuroscience
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
36,018
12,711
0.353
* Total Citation Counts Rankings
Ranking Based On Selection :21
Ireland
Ivan J Perry
Cardiovascualr disease epidemiology
diet and health
epidemiology of self harm and suicide...
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,312
10,714
0.332
* Total Citation Counts Rankings
Ranking Based On Selection :22
Ireland
Lorraine O'Driscoll
exosomes/EVs
cancer
biomarkers
therapeutics
pharmacology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,699
23,814
0.751
* Total Citation Counts Rankings
Ranking Based On Selection :23
Ireland
Tony Fitzgerald
Biostatistics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,687
9,965
0.314
* Total Citation Counts Rankings
Ranking Based On Selection :24
Ireland
Janette Walton *
Public Health Nutrition
National Dietary Surveys
Dietary Assessment
Dietary exposures
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,997
25,785
0.832
* Total Citation Counts Rankings
Ranking Based On Selection :25
Ireland
Christian Waeber
Neuroscience
vascular biology
stroke
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,549
9,478
0.310
* Total Citation Counts Rankings
Rankings
2,123
Ireland
5
1
Ranking Based On Selection: 1
John Cryan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
121,300
79,803
0.658
Neuropharmacology
stress
neurogastroenterology
microbiome
psychopharmacology
* Total Citation Counts Rankings
Rankings
2,142
Ireland
6
2
Ranking Based On Selection: 2
Timothy Dinan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
120,959
78,101
0.646
gut microbiota
psychiatry
nutrition
psychopharmacology
* Total Citation Counts Rankings
Rankings
3,256
Ireland
9
4
Ranking Based On Selection: 3
Colin Hill
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
97,843
49,919
0.510
Microbiology
microbiome
bacteriophage
bacteriocins
infection
* Total Citation Counts Rankings
Rankings
3,407
Ireland
10
1
Ranking Based On Selection: 4
Rp Brennan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
95,522
42,504
0.445
* Total Citation Counts Rankings
Rankings
5,206
Ireland
14
3
Ranking Based On Selection: 5
Seamus Martin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
75,066
24,636
0.328
apoptosis
cell death
inflammation
necrosis
IL-1 cytokine family
* Total Citation Counts Rankings
Rankings
6,702
Ireland
17
1
Ranking Based On Selection: 6
Michael Zaworotko
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
64,116
21,165
0.330
crystal engineering
pharmaceutical materials
porous materials
pharmaceutical cocrystals
* Total Citation Counts Rankings
Rankings
7,631
Ireland
21
7
Ranking Based On Selection: 7
Douwe Van Sinderen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59,147
32,719
0.553
Bacteriophage
lactic acid bacteria
bifidobacteria
gut microbiota
* Total Citation Counts Rankings
Rankings
7,964
Ireland
23
2
Ranking Based On Selection: 8
Paul Cotter
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
57,514
37,013
0.644
* Total Citation Counts Rankings
Rankings
8,945
Ireland
24
8
Ranking Based On Selection: 9
Paul O Toole
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
53,701
34,029
0.634
Microbiome
lactobacillus
IBS
colorectal cancer
ageing
* Total Citation Counts Rankings
Rankings
10,980
Ireland
30
7
Ranking Based On Selection: 10
Brian Lawlor
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47,104
21,504
0.457
Alzheimer's disease
psychopharmacology
BPSD
late-life depression
cognition
* Total Citation Counts Rankings
Rankings
11,256
Ireland
31
8
Ranking Based On Selection: 11
Kingston Mills
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
46,329
19,696
0.425
* Total Citation Counts Rankings
Rankings
11,713
Ireland
32
9
Ranking Based On Selection: 12
Timothy Foster J
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
45,201
14,343
0.317
* Total Citation Counts Rankings
Rankings
12,306
Ireland
35
10
Ranking Based On Selection: 13
Gerard Clarke
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
43,853
33,723
0.769
Neurogastroenterology
Microbiome
Tryptophan
Kynurenine
Stress
* Total Citation Counts Rankings
Rankings
14,408
Ireland
42
9
Ranking Based On Selection: 14
Oliver Fitzgerald
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,786
15,686
0.394
* Total Citation Counts Rankings
Rankings
14,532
Ireland
43
13
Ranking Based On Selection: 15
Alan D Irvine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,568
18,221
0.460
* Total Citation Counts Rankings
Rankings
15,018
Ireland
45
6
Ranking Based On Selection: 16
Colm Mcdonald
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38,752
24,789
0.640
Bipolar Disorder
Schizophrenia
MRI
psychiatry
genetics
* Total Citation Counts Rankings
Rankings
15,266
Ireland
46
7
Ranking Based On Selection: 17
Catriona Jennings
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38,364
33,028
0.861
* Total Citation Counts Rankings
Rankings
16,071
Ireland
52
13
Ranking Based On Selection: 18
Walter Mcnicholas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
37,148
11,560
0.311
* Total Citation Counts Rankings
Rankings
16,726
Ireland
55
15
Ranking Based On Selection: 19
Anne Marie Clare Kelly
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
36,176
16,186
0.447
Developmental Cognitive Neuroscience
Brain Connectivity
fMRI
* Total Citation Counts Rankings
Rankings
16,849
Ireland
56
15
Ranking Based On Selection: 20
Michael Hutchinson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
36,018
12,711
0.353
* Total Citation Counts Rankings
Rankings
19,957
Ireland
69
15
Ranking Based On Selection: 21
Ivan J Perry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,312
10,714
0.332
Cardiovascualr disease epidemiology
diet and health
epidemiology of self harm and suicide...
* Total Citation Counts Rankings
Rankings
20,576
Ireland
72
24
Ranking Based On Selection: 22
Lorraine O'Driscoll
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,699
23,814
0.751
* Total Citation Counts Rankings
Rankings
20,586
Ireland
73
16
Ranking Based On Selection: 23
Tony Fitzgerald
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,687
9,965
0.314
* Total Citation Counts Rankings
Rankings
21,290
Ireland
77
1
Ranking Based On Selection: 24
Janette Walton *
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,997
25,785
0.832
Public Health Nutrition
National Dietary Surveys
Dietary Assessment
Dietary exposures
* Total Citation Counts Rankings
Rankings
21,734
Ireland
83
18
Ranking Based On Selection: 25
Christian Waeber
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,549
9,478
0.310