Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 590 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
Computer Science
Artificial Intelligence
Statistics
Finance
Machine Learnin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
74,596
26,873
0.360
Get Full Access to Premium Data
* Total Citation Counts Rankings
Ranking Based On Selection: 2
Biostatistic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38,877
24,818
0.638
* Total Citation Counts Rankings
Ranking Based On Selection: 3
coastal processes
coastal geomorphology
climate change
environmen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,404
14,521
0.572
* Total Citation Counts Rankings
Ranking Based On Selection: 4
medicin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,843
4,129
0.198
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Small Island Climate Change Mitigation & Adaptation
Marine Blue Economy
Ecosystem Services
Carbon Sequestratio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,919
8,900
0.597
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Human Genetics
Genomics
Bioinformatics
Computational Biolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,145
3,249
0.247
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Veterinary Virolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,288
4,557
0.443
* Total Citation Counts Rankings
Ranking Based On Selection: 8
nutrition
child development
aggression
violenc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,817
2,995
0.305
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Zoonoses
Food Safety
Epidemiology
Veterinary Public Healt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,171
2,341
0.287
Is Your University Ready for the Future?
Compare your institution’s global, national, and city-level ranking with its 20 closest competitors and set strategic goals.
Gain insights from detailed performance analyses of scientists across 13 major disciplines, identify your strengths, improve weaknesses, and gain a competitive edge.. Check Your Free Sample Performance Analysis
* Total Citation Counts Rankings
Ranking Based On Selection: 10
GEP
GP
soft computing
Hydraulic and water resources engineering
construction material
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,799
4,683
0.600
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Industrial Engineering
Engineering Management
Quality
Technolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,251
1,652
0.228
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,379
4,765
0.646
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Plant Physiology
Plant Ecophysiology
Abiotic Stress
Climate Chang
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,626
6,089
0.919
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,977
1,287
0.215
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,762
2,422
0.420
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Diabetes and wound healin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,648
2,232
0.395
* Total Citation Counts Rankings
Ranking Based On Selection: 17
fish biology
aquaculture
fisheries management
fish behaviour
fish biodiversit
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,692
2,414
0.424
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Urban Sustainability
Climate Change Adaptation
Natural Hazard Risk Reduction
Coastal Zone Planning
Sustainable Touris
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,536
4,687
0.847
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Curriculum Development
Problem Based Learning
Medical Educatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,150
5,108
0.992
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Microbiolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,869
1,059
0.217
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Plant Pathology
Microbiology & Molecular Biolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,810
2,070
0.430
* Total Citation Counts Rankings
Ranking Based On Selection: 22
agribusines
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,517
368
0.081
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Health Policy and Systems Research
Public Health
Nutrition
Biostatistic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,505
728
0.162
* Total Citation Counts Rankings
Ranking Based On Selection: 24
microbiology
biocontrol
plant pathogens
plant transformation
disease resistanc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,334
2,212
0.510
* Total Citation Counts Rankings
Ranking Based On Selection: 25
science education and culture
gender and achievemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,191
1,413
0.337
* Total Citation Counts Rankings
Rankings
5,608
1
1
Ranking Based On Selection: 1
Sammarieo Brown
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
74,596
26,873
0.360
Computer Science
Artificial Intelligence
Statistics
Finance
Machine Learnin
* Total Citation Counts Rankings
Rankings
16,038
1
1
Ranking Based On Selection: 2
Ian Hambleton
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
38,877
24,818
0.638
* Total Citation Counts Rankings
Rankings
30,736
2
2
Ranking Based On Selection: 3
Leonard Nurse
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,404
14,521
0.572
coastal processes
coastal geomorphology
climate change
environmen
* Total Citation Counts Rankings
Rankings
40,698
2
2
Ranking Based On Selection: 4
Terence Seemungal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,843
4,129
0.198
* Total Citation Counts Rankings
Rankings
63,823
3
3
Ranking Based On Selection: 5
John Agard
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,919
8,900
0.597
Small Island Climate Change Mitigation & Adaptation
Marine Blue Economy
Ecosystem Services
Carbon Sequestratio
* Total Citation Counts Rankings
Rankings
75,093
4
4
Ranking Based On Selection: 6
Rajini Haraksingh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,145
3,249
0.247
Human Genetics
Genomics
Bioinformatics
Computational Biolog
* Total Citation Counts Rankings
Rankings
100,640
5
5
Ranking Based On Selection: 7
Chris Oura
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,288
4,557
0.443
Veterinary Virolog
* Total Citation Counts Rankings
Rankings
106,224
6
6
Ranking Based On Selection: 8
Julie Meeks Gardner
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,817
2,995
0.305
nutrition
child development
aggression
violenc
* Total Citation Counts Rankings
Rankings
130,525
7
7
Ranking Based On Selection: 9
Abiodun Adesiyun
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,171
2,341
0.287
Zoonoses
Food Safety
Epidemiology
Veterinary Public Healt
* Total Citation Counts Rankings
Rankings
137,406
8
8
Ranking Based On Selection: 10
Mohammad Azamathulla Hazi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,799
4,683
0.600
GEP
GP
soft computing
Hydraulic and water resources engineering
construction material
Is Your University Ready for the Future?
Compare your institution’s global, national, and city-level ranking with its 20 closest competitors and set strategic goals.
Gain insights from detailed performance analyses of scientists across 13 major disciplines, identify your strengths, improve weaknesses, and gain a competitive edge.. Check Your Free Sample Performance Analysis
* Total Citation Counts Rankings
Rankings
148,503
10
10
Ranking Based On Selection: 11
KF Pun
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,251
1,652
0.228
Industrial Engineering
Engineering Management
Quality
Technolog
* Total Citation Counts Rankings
Rankings
145,819
9
9
Ranking Based On Selection: 12
Sureshwar Pandey
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,379
4,765
0.646
* Total Citation Counts Rankings
Rankings
163,103
11
11
Ranking Based On Selection: 13
Aidan D Farrell
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,626
6,089
0.919
Plant Physiology
Plant Ecophysiology
Abiotic Stress
Climate Chang
* Total Citation Counts Rankings
Rankings
181,176
3
3
Ranking Based On Selection: 14
Robert Clive Landis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,977
1,287
0.215
* Total Citation Counts Rankings
Rankings
187,884
4
4
Ranking Based On Selection: 15
Hazel Oxenford
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,762
2,422
0.420
* Total Citation Counts Rankings
Rankings
191,552
1
1
Ranking Based On Selection: 16
B Shivananda Nayak|Nayak BS
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,648
2,232
0.395
Diabetes and wound healin
* Total Citation Counts Rankings
Rankings
190,123
12
12
Ranking Based On Selection: 17
İndar Ramnarine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,692
2,414
0.424
fish biology
aquaculture
fisheries management
fish behaviour
fish biodiversit
* Total Citation Counts Rankings
Rankings
195,354
13
13
Ranking Based On Selection: 18
Michelle Mycoo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,536
4,687
0.847
Urban Sustainability
Climate Change Adaptation
Natural Hazard Risk Reduction
Coastal Zone Planning
Sustainable Touris
* Total Citation Counts Rankings
Rankings
209,528
14
14
Ranking Based On Selection: 19
Pradeep Sahu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,150
5,108
0.992
Curriculum Development
Problem Based Learning
Medical Educatio
* Total Citation Counts Rankings
Rankings
221,169
5
5
Ranking Based On Selection: 20
Marc C Lavoie
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,869
1,059
0.217
* Total Citation Counts Rankings
Rankings
223,764
15
15
Ranking Based On Selection: 21
Duraisamy Saravanakumar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,810
2,070
0.430
Plant Pathology
Microbiology & Molecular Biolog
* Total Citation Counts Rankings
Rankings
237,289
16
16
Ranking Based On Selection: 22
Andre Bascom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,517
368
0.081
* Total Citation Counts Rankings
Rankings
237,882
17
17
Ranking Based On Selection: 23
Donald Simeon
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,505
728
0.162
Health Policy and Systems Research
Public Health
Nutrition
Biostatistic
* Total Citation Counts Rankings
Rankings
246,402
18
18
Ranking Based On Selection: 24
Jayaraj Jayaraman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,334
2,212
0.510
microbiology
biocontrol
plant pathogens
plant transformation
disease resistanc
* Total Citation Counts Rankings
Rankings
254,238
19
19
Ranking Based On Selection: 25
June George
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,191
1,413
0.337
science education and culture
gender and achievemen