Citation Rankings
Highly Cited Researchers

Highly Cited Researchers 253 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
United Kingdom
Scott Reeves
Interprofessional education
interprofessional collaboratio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41,832
17,010
0.407
* Total Citation Counts Rankings
Ranking Based On Selection: 2
United Kingdom
Roger Bennett
Marketing
Nonprofit organisations
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,520
4,311
0.278
* Total Citation Counts Rankings
Ranking Based On Selection: 3
United Kingdom
Jessica Buxton
Genetics
Telomeres
Epigenetics
Genomic Imprintin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,406
3,476
0.280
* Total Citation Counts Rankings
Ranking Based On Selection: 4
United Kingdom
Tom Quinn
Emergency cardiovascular care
prehospital care
resuscitatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,065
4,863
0.403
* Total Citation Counts Rankings
Ranking Based On Selection: 5
United Kingdom
Paolo Remagnino
image and video analysis
artificial intelligence
machine learning
pattern recognitio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,968
4,937
0.413
* Total Citation Counts Rankings
Ranking Based On Selection: 6
United Kingdom
Elizabeth Chell
Entrepreneurshi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,660
2,921
0.251
* Total Citation Counts Rankings
Ranking Based On Selection: 7
United Kingdom
Andrey V Karlyshev
campylobacter
microbial pathogenesis
bacteriology
microbial genetics
antimicrobial
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,163
2,097
0.188
* Total Citation Counts Rankings
Ranking Based On Selection: 8
United Kingdom
Ian Jarvis
Sedimentology
Stratigraphy
Geochemistry
Palaeoceanograph
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,819
3,322
0.307
* Total Citation Counts Rankings
Ranking Based On Selection: 9
United Kingdom
Sarah Barman
Image processing
Ophthalmic imagin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,213
4,520
0.443

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* Total Citation Counts Rankings
Ranking Based On Selection: 10
United Kingdom
Muthanna Samara
Developmental Psychopatholog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,363
4,665
0.498
* Total Citation Counts Rankings
Ranking Based On Selection: 11
United Kingdom
Andrea Petroczi
doping
prevalence
anti-doping education
values-based education
integrit
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,180
3,696
0.403
* Total Citation Counts Rankings
Ranking Based On Selection: 12
United Kingdom
Peter S Hooda
Environmental Geochemistry
Land Use and Water Quality
Trace Elements
Water Contaminatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,144
3,829
0.419
* Total Citation Counts Rankings
Ranking Based On Selection: 13
United Kingdom
Robert East
Word of mout
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,121
2,586
0.284
* Total Citation Counts Rankings
Ranking Based On Selection: 14
United Kingdom
Declan Naughton
Inflammation
Infection
Nutrition
Food Safety
Drug Developmen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,949
2,979
0.333
* Total Citation Counts Rankings
Ranking Based On Selection: 15
United Kingdom
Adrian Coyle
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,553
2,644
0.350
* Total Citation Counts Rankings
Ranking Based On Selection: 16
United Kingdom
Peter Osborne
philosophy
crititical theory
ar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,466
2,181
0.292
* Total Citation Counts Rankings
Ranking Based On Selection: 17
United Kingdom
Raid Alany
Ophthalmic Drug Delivery
Veterinary Pharmaceuticals
Lipid and Surfactant Based Drug Delivery Systems
Delivery of Antisense O
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,718
3,935
0.586
* Total Citation Counts Rankings
Ranking Based On Selection: 18
United Kingdom
Leonid Dombrovsky
Radiative transfer
Heat transfer
Disperse system
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,643
2,691
0.405
* Total Citation Counts Rankings
Ranking Based On Selection: 20
United Kingdom
TJ Ellis
Computer Visio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,231
765
0.123
* Total Citation Counts Rankings
Ranking Based On Selection: 21
United Kingdom
Vari M Drennan
Health service research
older adults
primary care
workforce
nursin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,888
3,275
0.556
* Total Citation Counts Rankings
Ranking Based On Selection: 22
United Kingdom
Mohammed abdullah
Information Technolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,402
1,870
0.346
* Total Citation Counts Rankings
Ranking Based On Selection: 23
United Kingdom
Nan Greenwood
carers stroke dementia minority groups peer suppor
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,335
3,010
0.564
* Total Citation Counts Rankings
Ranking Based On Selection: 24
United Kingdom
DD Jayaseelan
CMCs
Aerospace
Nuclear
Energy
Surface Coating
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,286
2,634
0.498
* Total Citation Counts Rankings
Rankings
14,410
United Kingdom
1,261
1
Ranking Based On Selection: 1
Scott Reeves
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41,832
17,010
0.407
Interprofessional education
interprofessional collaboratio
* Total Citation Counts Rankings
Rankings
61,351
United Kingdom
5,274
2
Ranking Based On Selection: 2
Roger Bennett
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,520
4,311
0.278
* Total Citation Counts Rankings
Rankings
81,369
United Kingdom
6,912
3
Ranking Based On Selection: 3
Jessica Buxton
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,406
3,476
0.280
* Total Citation Counts Rankings
Rankings
84,271
United Kingdom
7,143
4
Ranking Based On Selection: 4
Tom Quinn
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,065
4,863
0.403
Emergency cardiovascular care
prehospital care
resuscitatio
* Total Citation Counts Rankings
Rankings
85,101
United Kingdom
7,211
5
Ranking Based On Selection: 5
Paolo Remagnino
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,968
4,937
0.413
image and video analysis
artificial intelligence
machine learning
pattern recognitio
* Total Citation Counts Rankings
Rankings
87,841
United Kingdom
7,413
6
Ranking Based On Selection: 6
Elizabeth Chell
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,660
2,921
0.251
* Total Citation Counts Rankings
Rankings
92,478
United Kingdom
7,760
7
Ranking Based On Selection: 7
Andrey V Karlyshev
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,163
2,097
0.188
campylobacter
microbial pathogenesis
bacteriology
microbial genetics
antimicrobial
* Total Citation Counts Rankings
Rankings
95,953
United Kingdom
8,025
8
Ranking Based On Selection: 8
Ian Jarvis
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,819
3,322
0.307
Sedimentology
Stratigraphy
Geochemistry
Palaeoceanograph
* Total Citation Counts Rankings
Rankings
102,612
United Kingdom
8,535
9
Ranking Based On Selection: 9
Sarah Barman
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,213
4,520
0.443
* Total Citation Counts Rankings
Rankings
113,292
United Kingdom
9,258
10
Ranking Based On Selection: 10
Muthanna Samara
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,363
4,665
0.498

Smart Institutional Plan

Powerful Insights + Smart Membership = Institutional Success
Unlock 360° Real-Time Institutional Analysis to identify your institution’s strengths and areas for improvement.

* Total Citation Counts Rankings
Rankings
115,888
United Kingdom
9,451
11
Ranking Based On Selection: 11
Andrea Petroczi
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,180
3,696
0.403
doping
prevalence
anti-doping education
values-based education
integrit
* Total Citation Counts Rankings
Rankings
116,410
United Kingdom
9,500
12
Ranking Based On Selection: 12
Peter S Hooda
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,144
3,829
0.419
Environmental Geochemistry
Land Use and Water Quality
Trace Elements
Water Contaminatio
* Total Citation Counts Rankings
Rankings
116,760
United Kingdom
9,531
13
Ranking Based On Selection: 13
Robert East
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,121
2,586
0.284
* Total Citation Counts Rankings
Rankings
119,227
United Kingdom
9,734
14
Ranking Based On Selection: 14
Declan Naughton
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,949
2,979
0.333
Inflammation
Infection
Nutrition
Food Safety
Drug Developmen
* Total Citation Counts Rankings
Rankings
143,670
United Kingdom
11,483
15
Ranking Based On Selection: 15
Adrian Coyle
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,553
2,644
0.350
* Total Citation Counts Rankings
Rankings
145,497
United Kingdom
11,613
16
Ranking Based On Selection: 16
Peter Osborne
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,466
2,181
0.292
* Total Citation Counts Rankings
Rankings
162,474
United Kingdom
12,753
17
Ranking Based On Selection: 17
Raid Alany
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,718
3,935
0.586
Ophthalmic Drug Delivery
Veterinary Pharmaceuticals
Lipid and Surfactant Based Drug Delivery Systems
Delivery of Antisense O
* Total Citation Counts Rankings
Rankings
164,364
United Kingdom
12,869
18
Ranking Based On Selection: 18
Leonid Dombrovsky
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,643
2,691
0.405
* Total Citation Counts Rankings
Rankings
168,545
United Kingdom
13,150
19
Ranking Based On Selection: 19
Peter J Treloar
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,485
1,650
0.254
* Total Citation Counts Rankings
Rankings
175,522
United Kingdom
13,612
20
Ranking Based On Selection: 20
TJ Ellis
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,231
765
0.123
* Total Citation Counts Rankings
Rankings
185,767
United Kingdom
14,330
21
Ranking Based On Selection: 21
Vari M Drennan
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,888
3,275
0.556
Health service research
older adults
primary care
workforce
nursin
* Total Citation Counts Rankings
Rankings
202,122
United Kingdom
15,450
22
Ranking Based On Selection: 22
Mohammed abdullah
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,402
1,870
0.346
* Total Citation Counts Rankings
Rankings
204,564
United Kingdom
15,635
23
Ranking Based On Selection: 23
Nan Greenwood
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,335
3,010
0.564
carers stroke dementia minority groups peer suppor
* Total Citation Counts Rankings
Rankings
206,354
United Kingdom
15,774
24
Ranking Based On Selection: 24
DD Jayaseelan
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,286
2,634
0.498
CMCs
Aerospace
Nuclear
Energy
Surface Coating
* Total Citation Counts Rankings
Rankings
211,502
United Kingdom
16,111
25
Ranking Based On Selection: 25
Ana V Nikčević
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,154
3,097
0.601