Citation Rankings
Highly Cited Researchers

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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.

* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :1
United Kingdom
Farhad Shokraneh
Clinical Practice Guidelines
Systematic Review
Evidence Synthesis
Health Technology Assessment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
110,269
76,950
0.698
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :2
United Kingdom
Manu Shankar Hari
Sepsis
Critical Illness
ARDS
Precision Medicine
Immunology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
74,398
59,388
0.798
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :3
United Kingdom
Aarsland Dag
Neurogeriatric medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
103,604
50,044
0.483
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :4
United Kingdom
Peter Goadsby
Headache
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
119,778
48,990
0.409
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :5
United Kingdom
A Rudd
stroke
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
111,083
47,496
0.428
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :6
United Kingdom
Neil Greenberg
mental health
occupational health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
49,944
40,884
0.819
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :7
United Kingdom
Fusar Poli Paolo
Prevention
Youth Mental Health
Psychosis
Personalised Medicine
Evidence Based Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59,673
39,889
0.668
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :8
United Kingdom
Tomohide Yamada
Diabetes
AI
Systematic review
Clinical epidemiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,380
37,723
0.958
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :9
United Kingdom
Tony Charman
autism development intervention cognition
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
70,782
35,595
0.503
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :10
United Kingdom
Irene J Higginson
Medicine
Health Services Research
Outcomes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
75,100
33,921
0.452
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :11
United Kingdom
Cristina Menni
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
36,922
29,476
0.798
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :12
United Kingdom
Louise E Smith
Vaccination
influenza
side-effects
adherence
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,510
27,140
0.987
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :13
United Kingdom
Laura Magee
medical complications of pregnancy
clinical trials
epidemiology
reproductive toxicology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41,432
25,378
0.613
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :14
United Kingdom
Lisa Woodland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,817
23,710
0.996
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :15
United Kingdom
Atul Gupta
asthma
respiratory
paediatrics
severe asthma
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,763
21,972
0.925
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :16
United Kingdom
Jo Hajnal
medical imaging
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
49,316
20,741
0.421
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :17
United Kingdom
Louise Howard
women's mental health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,110
20,463
0.658
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :18
United Kingdom
Tom Vercauteren
Medical Image Computing
Image Registration
Computer-assisted Interventions
Endomicroscopy
Image-guided Interventions
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,348
19,278
0.732
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :19
United Kingdom
AT Cohen
Cardiovascular Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
45,889
19,167
0.418
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :20
United Kingdom
Lucilla Poston
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
50,741
19,145
0.377
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :21
United Kingdom
Marc Modat
Medical image analysis
Medical image computing
Image registration
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,843
18,398
0.772
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :22
United Kingdom
Nick Sevdalis
implementation science
improvement science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,993
18,097
0.584
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :23
United Kingdom
Ahmed Al-Jabir
Radiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,849
17,758
0.995
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :24
United Kingdom
John Strang
Addictions
heroin addiction
treatment
policy
overdose
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41,002
16,752
0.409
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :25
United Kingdom
Ghulam Mufti
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
49,593
16,382
0.330
* Last 6 Years Citation Counts Rankings
Rankings
1,514
United Kingdom
99
5
Ranking Based On Selection: 1
Farhad Shokraneh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
110,269
76,950
0.698
Clinical Practice Guidelines
Systematic Review
Evidence Synthesis
Health Technology Assessment
* Last 6 Years Citation Counts Rankings
Rankings
2,286
United Kingdom
162
10
Ranking Based On Selection: 2
Manu Shankar Hari
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
74,398
59,388
0.798
Sepsis
Critical Illness
ARDS
Precision Medicine
Immunology
* Last 6 Years Citation Counts Rankings
Rankings
3,085
United Kingdom
238
16
Ranking Based On Selection: 3
Aarsland Dag
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
103,604
50,044
0.483
Neurogeriatric medicine
* Last 6 Years Citation Counts Rankings
Rankings
3,190
United Kingdom
247
19
Ranking Based On Selection: 4
Peter Goadsby
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
119,778
48,990
0.409
* Last 6 Years Citation Counts Rankings
Rankings
3,372
United Kingdom
262
20
Ranking Based On Selection: 5
A Rudd
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
111,083
47,496
0.428
* Last 6 Years Citation Counts Rankings
Rankings
4,240
United Kingdom
334
24
Ranking Based On Selection: 6
Neil Greenberg
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
49,944
40,884
0.819
mental health
occupational health
* Last 6 Years Citation Counts Rankings
Rankings
4,421
United Kingdom
352
25
Ranking Based On Selection: 7
Fusar Poli Paolo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59,673
39,889
0.668
Prevention
Youth Mental Health
Psychosis
Personalised Medicine
Evidence Based Medicine
* Last 6 Years Citation Counts Rankings
Rankings
4,832
United Kingdom
381
27
Ranking Based On Selection: 8
Tomohide Yamada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
39,380
37,723
0.958
Diabetes
AI
Systematic review
Clinical epidemiology
* Last 6 Years Citation Counts Rankings
Rankings
5,261
United Kingdom
412
30
Ranking Based On Selection: 9
Tony Charman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
70,782
35,595
0.503
autism development intervention cognition
* Last 6 Years Citation Counts Rankings
Rankings
5,707
United Kingdom
453
32
Ranking Based On Selection: 10
Irene J Higginson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
75,100
33,921
0.452
Medicine
Health Services Research
Outcomes
* Last 6 Years Citation Counts Rankings
Rankings
7,079
United Kingdom
603
42
Ranking Based On Selection: 11
Cristina Menni
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
36,922
29,476
0.798
* Last 6 Years Citation Counts Rankings
Rankings
8,071
United Kingdom
682
44
Ranking Based On Selection: 12
Louise E Smith
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,510
27,140
0.987
Vaccination
influenza
side-effects
adherence
* Last 6 Years Citation Counts Rankings
Rankings
8,954
United Kingdom
763
49
Ranking Based On Selection: 13
Laura Magee
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41,432
25,378
0.613
medical complications of pregnancy
clinical trials
epidemiology
reproductive toxicology
* Last 6 Years Citation Counts Rankings
Rankings
9,954
United Kingdom
857
51
Ranking Based On Selection: 14
Lisa Woodland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,817
23,710
0.996
* Last 6 Years Citation Counts Rankings
Rankings
11,187
United Kingdom
975
58
Ranking Based On Selection: 15
Atul Gupta
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,763
21,972
0.925
asthma
respiratory
paediatrics
severe asthma
* Last 6 Years Citation Counts Rankings
Rankings
12,171
United Kingdom
1,076
61
Ranking Based On Selection: 16
Jo Hajnal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
49,316
20,741
0.421
* Last 6 Years Citation Counts Rankings
Rankings
12,423
United Kingdom
1,098
62
Ranking Based On Selection: 17
Louise Howard
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,110
20,463
0.658
* Last 6 Years Citation Counts Rankings
Rankings
13,586
United Kingdom
1,206
66
Ranking Based On Selection: 18
Tom Vercauteren
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,348
19,278
0.732
Medical Image Computing
Image Registration
Computer-assisted Interventions
Endomicroscopy
Image-guided Interventions
* Last 6 Years Citation Counts Rankings
Rankings
13,723
United Kingdom
1,220
67
Ranking Based On Selection: 19
AT Cohen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
45,889
19,167
0.418
Cardiovascular Medicine
* Last 6 Years Citation Counts Rankings
Rankings
13,742
United Kingdom
1,221
68
Ranking Based On Selection: 20
Lucilla Poston
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
50,741
19,145
0.377
* Last 6 Years Citation Counts Rankings
Rankings
14,591
United Kingdom
1,303
70
Ranking Based On Selection: 21
Marc Modat
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,843
18,398
0.772
Medical image analysis
Medical image computing
Image registration
* Last 6 Years Citation Counts Rankings
Rankings
14,954
United Kingdom
1,330
75
Ranking Based On Selection: 22
Nick Sevdalis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
30,993
18,097
0.584
implementation science
improvement science
* Last 6 Years Citation Counts Rankings
Rankings
15,349
United Kingdom
1,356
78
Ranking Based On Selection: 23
Ahmed Al-Jabir
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,849
17,758
0.995
* Last 6 Years Citation Counts Rankings
Rankings
16,821
United Kingdom
1,496
84
Ranking Based On Selection: 24
John Strang
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41,002
16,752
0.409
Addictions
heroin addiction
treatment
policy
overdose
* Last 6 Years Citation Counts Rankings
Rankings
17,376
United Kingdom
1,548
86
Ranking Based On Selection: 25
Ghulam Mufti
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
49,593
16,382
0.330