Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 526 Scientists Citation Rankings (Sort by last 6 years Citation Index) - 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.
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 1
Applied AI/ML
Smart Cities
Internet of Things
Cybersecurit
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
93,289
71,296
0.764
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* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 2
Vitamin D
CVD
Obesity in children and adults
Maternal diet & Breastfeedin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,184
17,366
0.820
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 3
Sustainable Chemistry
Environmental Chemistry
Nanotechnology
Energy
Circular Econom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,735
8,367
0.958
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 4
Empirical Finance
Energy Finance
Digital Assets
Investor Sentiment
Connectednes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,863
6,647
0.969
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 5
Trustworthy machine learning
computer vision
biometric recognition
applied cryptograph
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,165
6,037
0.352
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 6
educational technology
science education
teacher training
distance and blended learning
mobile learnin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,186
5,345
0.525
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 7
Marketing
Advertising
Marketing Communications
Research Methodolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,847
4,118
0.525
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 8
Cybersecurity
Digital Forensics
XAI
NL
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,091
3,988
0.783
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 9
Domain Generalization
Domain Adaptation
Landmark Detection
Model Calibration
Few-shot Learnin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,337
3,883
0.728
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Powerful Insights + Smart Membership = Institutional Success
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* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 10
Network Science
Data Communication
Internet Routing
Health Informatic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,148
3,729
0.899
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 11
Rural Tourism
Small Scale Events
Touris
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,189
3,502
0.836
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 12
Sleep
health
adolescenc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,534
3,400
0.750
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 13
environmental science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,805
3,338
0.695
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 14
Culture Psychopathology and Digital Wellbein
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,290
3,284
0.766
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 15
Computer Vision
Machine Learnin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,286
3,273
0.996
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 16
Machine Learning
NLP
Semantic Web
Ontology Mapping
Ontology Evolutio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,434
3,125
0.705
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 17
Computer Vision
Deep Learning
Vision-Language
Generative A
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,079
3,077
0.999
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 18
Blockchain
Machine learning
ICT for Healthcare
Distributed System
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,136
3,005
0.958
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 19
Security
WSN and IoT
Next Generation Networks
Mobile and Wireless Networks
Cloud Computin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,557
2,990
0.841
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 20
Touris
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,314
2,728
0.823
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 21
Black-box optimization
Spiking neural networks
Federated learning
AutoM
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,941
2,644
0.535
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 22
financial markets
corporate finance
financial crisis and contagion
portfolio managemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,358
2,639
0.606
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 23
Web Security
Network Security
Intrusion Detection
AI Applications
Pattern Matchin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,272
2,499
0.764
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 24
Environmental science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,936
2,470
0.628
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 25
search engine optimization
social media
personal value
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,027
2,402
0.794
* Last 6 Years Citation Counts Rankings
Rankings
1,649
4
1
Ranking Based On Selection: 1
Mohsen Guizani
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
93,289
71,296
0.764
Applied AI/ML
Smart Cities
Internet of Things
Cybersecurit
* Last 6 Years Citation Counts Rankings
Rankings
15,548
22
1
Ranking Based On Selection: 2
Papandreou D
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,184
17,366
0.820
Vitamin D
CVD
Obesity in children and adults
Maternal diet & Breastfeedin
* Last 6 Years Citation Counts Rankings
Rankings
46,178
71
2
Ranking Based On Selection: 3
Jibran Iqbal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,735
8,367
0.958
Sustainable Chemistry
Environmental Chemistry
Nanotechnology
Energy
Circular Econom
* Last 6 Years Citation Counts Rankings
Rankings
63,772
117
3
Ranking Based On Selection: 4
Zaghum Umar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,863
6,647
0.969
Empirical Finance
Energy Finance
Digital Assets
Investor Sentiment
Connectednes
* Last 6 Years Citation Counts Rankings
Rankings
72,728
132
2
Ranking Based On Selection: 5
Karthik Nandakumar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,165
6,037
0.352
Trustworthy machine learning
computer vision
biometric recognition
applied cryptograph
* Last 6 Years Citation Counts Rankings
Rankings
85,402
153
4
Ranking Based On Selection: 6
Rana Tamim
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,186
5,345
0.525
educational technology
science education
teacher training
distance and blended learning
mobile learnin
* Last 6 Years Citation Counts Rankings
Rankings
118,106
210
5
Ranking Based On Selection: 7
Lars Bergkvist
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,847
4,118
0.525
Marketing
Advertising
Marketing Communications
Research Methodolog
* Last 6 Years Citation Counts Rankings
Rankings
122,765
220
6
Ranking Based On Selection: 8
Farkhund Iqbal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,091
3,988
0.783
Cybersecurity
Digital Forensics
XAI
NL
* Last 6 Years Citation Counts Rankings
Rankings
126,796
232
3
Ranking Based On Selection: 9
Muhammad Haris Khan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,337
3,883
0.728
Domain Generalization
Domain Adaptation
Landmark Detection
Model Calibration
Few-shot Learnin
* Last 6 Years Citation Counts Rankings
Rankings
133,051
243
7
Ranking Based On Selection: 10
Babar Shah
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,148
3,729
0.899
Network Science
Data Communication
Internet Routing
Health Informatic
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.
* Last 6 Years Citation Counts Rankings
Rankings
143,187
261
8
Ranking Based On Selection: 11
Anestis K Fotiadis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,189
3,502
0.836
Rural Tourism
Small Scale Events
Touris
* Last 6 Years Citation Counts Rankings
Rankings
148,128
268
9
Ranking Based On Selection: 12
Teresa Arora
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,534
3,400
0.750
* Last 6 Years Citation Counts Rankings
Rankings
151,286
279
10
Ranking Based On Selection: 13
Fares Howari
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,805
3,338
0.695
* Last 6 Years Citation Counts Rankings
Rankings
154,183
284
11
Ranking Based On Selection: 14
Justin Thomas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,290
3,284
0.766
* Last 6 Years Citation Counts Rankings
Rankings
154,755
286
4
Ranking Based On Selection: 15
Guangyi Chen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,286
3,273
0.996
Computer Vision
Machine Learnin
* Last 6 Years Citation Counts Rankings
Rankings
163,206
301
12
Ranking Based On Selection: 16
Asad Masood Khattak
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,434
3,125
0.705
Machine Learning
NLP
Semantic Web
Ontology Mapping
Ontology Evolutio
* Last 6 Years Citation Counts Rankings
Rankings
166,011
307
5
Ranking Based On Selection: 17
Muhammad Maaz
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,079
3,077
0.999
Computer Vision
Deep Learning
Vision-Language
Generative A
* Last 6 Years Citation Counts Rankings
Rankings
170,494
317
13
Ranking Based On Selection: 18
Nishara Nizamuddin|N NISHARA
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,136
3,005
0.958
Blockchain
Machine learning
ICT for Healthcare
Distributed System
* Last 6 Years Citation Counts Rankings
Rankings
171,491
319
14
Ranking Based On Selection: 19
Omar Alfandi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,557
2,990
0.841
Security
WSN and IoT
Next Generation Networks
Mobile and Wireless Networks
Cloud Computin
* Last 6 Years Citation Counts Rankings
Rankings
189,573
355
15
Ranking Based On Selection: 20
Paolo Mura
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,314
2,728
0.823
* Last 6 Years Citation Counts Rankings
Rankings
196,035
368
6
Ranking Based On Selection: 21
Bin Gu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,941
2,644
0.535
Black-box optimization
Spiking neural networks
Federated learning
AutoM
* Last 6 Years Citation Counts Rankings
Rankings
196,470
372
16
Ranking Based On Selection: 22
Aristeidis Samitas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,358
2,639
0.606
financial markets
corporate finance
financial crisis and contagion
portfolio managemen
* Last 6 Years Citation Counts Rankings
Rankings
208,258
392
17
Ranking Based On Selection: 23
Monther Aldwairi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,272
2,499
0.764
Web Security
Network Security
Intrusion Detection
AI Applications
Pattern Matchin
* Last 6 Years Citation Counts Rankings
Rankings
210,814
401
18
Ranking Based On Selection: 24
Yousef Nazzal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,936
2,470
0.628
* Last 6 Years Citation Counts Rankings
Rankings
217,044
416
19
Ranking Based On Selection: 25
Timothy M Daly
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,027
2,402
0.794
search engine optimization
social media
personal value