Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 744 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: 26
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,087
1,617
0.524
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* Total Citation Counts Rankings
Ranking Based On Selection: 27
IFRS
Internal Control
Audit Committees
Disclosure
Corporate Governanc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,020
1,600
0.530
* Total Citation Counts Rankings
Ranking Based On Selection: 28
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,960
1,019
0.344
* Total Citation Counts Rankings
Ranking Based On Selection: 29
Biochemistry
Organic and Medicinal Chemistr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,933
1,827
0.623
* Total Citation Counts Rankings
Ranking Based On Selection: 30
Strategic Management
Innovation
Entrepreneurshi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,845
953
0.335
* Total Citation Counts Rankings
Ranking Based On Selection: 31
Biochemistry
Proteomics
Proteogenomics
Metabolomics
Bioanalytical chemistr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,745
2,636
0.960
* Total Citation Counts Rankings
Ranking Based On Selection: 32
MEMS
Laser Annealing
SiGe
Low Thermal Budget Processes
Energy Harvester
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,712
490
0.181
* Total Citation Counts Rankings
Ranking Based On Selection: 33
Energy
Combustion
Partially Premixed
Stability
Laser technique
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,689
769
0.286
* Total Citation Counts Rankings
Ranking Based On Selection: 34
Neurodegenerative Disease
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,638
2,022
0.766
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* Total Citation Counts Rankings
Ranking Based On Selection: 35
construction management
engineering
simulation
visualization
building simulatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,629
1,322
0.503
* Total Citation Counts Rankings
Ranking Based On Selection: 36
Microbial ecology
genomics
microbiology
extremophiles
bioactive compounds discover
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,492
1,413
0.567
* Total Citation Counts Rankings
Ranking Based On Selection: 37
ICT
IT Transfer to Developing Countries
DSS
Entrepreneurship
eCommerc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,458
657
0.267
* Total Citation Counts Rankings
Ranking Based On Selection: 38
gene therapy
machine learning
computer aided drug design
computational biology
biomedical informatics as well as bioinform
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,406
1,773
0.737
* Total Citation Counts Rankings
Ranking Based On Selection: 39
Nanostructured materials
Powder Metallurgy and Sever plastic deformatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,361
1,101
0.466
* Total Citation Counts Rankings
Ranking Based On Selection: 40
Petroleum Engineering
Reservoir Engineering
Reservoir Simulatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,192
942
0.430
* Total Citation Counts Rankings
Ranking Based On Selection: 41
Pulsed Beam Shaping
Propagation Generation and Scattering of Localized Waves
Photonics Bandgap Material
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,173
387
0.178
* Total Citation Counts Rankings
Ranking Based On Selection: 42
Educatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,107
879
0.417
* Total Citation Counts Rankings
Ranking Based On Selection: 43
ADHD
IDA
Psychology
Neuroscienc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,104
1,740
0.827
* Total Citation Counts Rankings
Ranking Based On Selection: 44
Chemical Reaction Engineering
Petrochemicals
Hydrogen Energy
Membrane Separation
Research and Innovation Managemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,103
327
0.155
* Total Citation Counts Rankings
Ranking Based On Selection: 45
Molecular Genetics-Metagenomics-Microbiome-RNAseq-NG
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,018
1,136
0.563
* Total Citation Counts Rankings
Ranking Based On Selection: 46
Integrated Antennas
Computational Electromagnetics
Plasmonic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,009
621
0.309
* Total Citation Counts Rankings
Ranking Based On Selection: 47
Structural Engineering - Advanced Composite Materials - Biomechanics - Engineering Educatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,959
735
0.375
* Total Citation Counts Rankings
Ranking Based On Selection: 48
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,923
1,655
0.861
* Total Citation Counts Rankings
Ranking Based On Selection: 49
Politics
sociology
religio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,879
841
0.448
* Total Citation Counts Rankings
Ranking Based On Selection: 50
Pedagogy
e-Learning
Science education
Curricula design
STEM/STEAM education and Education for Sustainable developmen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,847
1,050
0.568
* Total Citation Counts Rankings
Rankings
333,848
918
26
Ranking Based On Selection: 26
Tamer Shoeib
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,087
1,617
0.524
* Total Citation Counts Rankings
Rankings
339,744
948
27
Ranking Based On Selection: 27
Khaled Samaha
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,020
1,600
0.530
IFRS
Internal Control
Audit Committees
Disclosure
Corporate Governanc
* Total Citation Counts Rankings
Rankings
345,387
970
28
Ranking Based On Selection: 28
Mona Abaza
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,960
1,019
0.344
* Total Citation Counts Rankings
Rankings
347,956
985
29
Ranking Based On Selection: 29
Hatem Tallima
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,933
1,827
0.623
Biochemistry
Organic and Medicinal Chemistr
* Total Citation Counts Rankings
Rankings
356,653
1,015
30
Ranking Based On Selection: 30
Nizar Becheikh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,845
953
0.335
Strategic Management
Innovation
Entrepreneurshi
* Total Citation Counts Rankings
Rankings
366,926
1,056
31
Ranking Based On Selection: 31
Mariam Abotaleb
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,745
2,636
0.960
Biochemistry
Proteomics
Proteogenomics
Metabolomics
Bioanalytical chemistr
* Total Citation Counts Rankings
Rankings
370,506
1,073
32
Ranking Based On Selection: 32
Sherif Sedky
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,712
490
0.181
MEMS
Laser Annealing
SiGe
Low Thermal Budget Processes
Energy Harvester
* Total Citation Counts Rankings
Rankings
372,965
1,091
33
Ranking Based On Selection: 33
Mohy Mansour
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,689
769
0.286
Energy
Combustion
Partially Premixed
Stability
Laser technique
* Total Citation Counts Rankings
Rankings
378,518
1,110
34
Ranking Based On Selection: 34
Mohamed Salama
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,638
2,022
0.766
Neurodegenerative Disease
* Total Citation Counts Rankings
Rankings
379,554
1,114
35
Ranking Based On Selection: 35
Khaled Nassar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,629
1,322
0.503
construction management
engineering
simulation
visualization
building simulatio
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
395,403
1,202
36
Ranking Based On Selection: 36
Rania Siam
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,492
1,413
0.567
Microbial ecology
genomics
microbiology
extremophiles
bioactive compounds discover
* Total Citation Counts Rankings
Rankings
399,647
1,224
37
Ranking Based On Selection: 37
Sherif Kamel
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,458
657
0.267
ICT
IT Transfer to Developing Countries
DSS
Entrepreneurship
eCommerc
* Total Citation Counts Rankings
Rankings
405,929
1,253
38
Ranking Based On Selection: 38
Mahmoud Elhefnawi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,406
1,773
0.737
gene therapy
machine learning
computer aided drug design
computational biology
biomedical informatics as well as bioinform
* Total Citation Counts Rankings
Rankings
411,704
1,289
39
Ranking Based On Selection: 39
Hanadi G Salem
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,361
1,101
0.466
Nanostructured materials
Powder Metallurgy and Sever plastic deformatio
* Total Citation Counts Rankings
Rankings
434,817
1,409
40
Ranking Based On Selection: 40
Ahmed El Banbi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,192
942
0.430
Petroleum Engineering
Reservoir Engineering
Reservoir Simulatio
* Total Citation Counts Rankings
Rankings
437,601
1,439
41
Ranking Based On Selection: 41
Amr Shaarawi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,173
387
0.178
Pulsed Beam Shaping
Propagation Generation and Scattering of Localized Waves
Photonics Bandgap Material
* Total Citation Counts Rankings
Rankings
447,372
1,502
42
Ranking Based On Selection: 42
Thomas Devere Wolsey
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,107
879
0.417
* Total Citation Counts Rankings
Rankings
447,719
1,505
43
Ranking Based On Selection: 43
Wael My Mohamed
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,104
1,740
0.827
ADHD
IDA
Psychology
Neuroscienc
* Total Citation Counts Rankings
Rankings
448,026
1,507
44
Ranking Based On Selection: 44
AM Adris
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,103
327
0.155
Chemical Reaction Engineering
Petrochemicals
Hydrogen Energy
Membrane Separation
Research and Innovation Managemen
* Total Citation Counts Rankings
Rankings
461,238
1,586
45
Ranking Based On Selection: 45
Sherif Edris
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,018
1,136
0.563
Molecular Genetics-Metagenomics-Microbiome-RNAseq-NG
* Total Citation Counts Rankings
Rankings
462,765
1,598
46
Ranking Based On Selection: 46
Ezzeldin A Soliman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,009
621
0.309
Integrated Antennas
Computational Electromagnetics
Plasmonic
* Total Citation Counts Rankings
Rankings
470,997
1,650
47
Ranking Based On Selection: 47
Ezzeldin Yazeed Sayed Ahmed
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,959
735
0.375
Structural Engineering - Advanced Composite Materials - Biomechanics - Engineering Educatio
* Total Citation Counts Rankings
Rankings
476,962
1,671
48
Ranking Based On Selection: 48
Mona A Mohamed
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,923
1,655
0.861
* Total Citation Counts Rankings
Rankings
484,801
1,721
49
Ranking Based On Selection: 49
Mariz Tadros
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,879
841
0.448
Politics
sociology
religio
* Total Citation Counts Rankings
Rankings
490,426
1,764
50
Ranking Based On Selection: 50
Heba El Deghaidy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,847
1,050
0.568
Pedagogy
e-Learning
Science education
Curricula design
STEM/STEAM education and Education for Sustainable developmen