Citation Rankings
Highly Cited Researchers

Highly Cited Researchers 33 Scientists Citation Rankings - 2025

The Citation Rankings (Highly Cited Researchers) list 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.

* Total Citation Counts Rankings
Ranking Based On Selection: 1
Yemen
Fathiah Zakham
Microbiology
Molecular Biology
Bioinformatics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,987
2,811
0.941
* Total Citation Counts Rankings
Ranking Based On Selection: 2
Yemen
Mohammed S Abdo
Mathematical Models
Nonlinear Dynamics
Fractional Differential Equations
Fractional Calculus
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,596
2,504
0.965
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Yemen
Hussein Mohammed Abu Al-Rejal
Management
Logistics & Supply chain management
Technology and Operations
Green Technology
ICT
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
689
634
0.920
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Yemen
Mouad MH Ali
Image processing
Biometrics
Pattern Recognition
Multimodal Biometrics
Neural networks
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
421
298
0.708
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Yemen
Mohammed Ghalib
Inorganic Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
337
107
0.318
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Yemen
Mohammed Amood AL-Kamarany
Pharmacology - Pharmacotherapy -- Therapeutic Drug Monitoring - Epidemiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
322
241
0.748
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Yemen
Yahya Alsayaad|Yahya Alsayad, Yahya Alsayyad
Materials Science and (Acoustic
Atomic
Molecular
Optical
Mathematical)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
268
181
0.675
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Yemen
Jamil M Hamodi
Network Communication
Computer Networking
Mobile Ad Hoc
wireless sensor
IOT
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
251
64
0.255
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Yemen
Ola A. Al-Wesabi
Information System
Big Data
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
219
196
0.895

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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Yemen
Talha Al-Dubai
Marine Geology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
196
163
0.832
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Yemen
Basheer Al-Anesi
Material chemistry
Perovskite solar cells
perovskite-inspired materials
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
194
194
1.000
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Yemen
Nagib Qarah
Analytical Chemistry
pharmaceutical analysis
pharmaceutical chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
191
175
0.916
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Yemen
Nemah Abdullah Ayash Ezzi
ELT and Teacher-Education
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
181
88
0.486
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Yemen
Aaid G. Al-Zubieri
Marine Geology
coastal management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
172
160
0.930
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Yemen
Wadeea Ahmed Abdo Qaid
Artificial Intelligence
Information System
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
154
59
0.383
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Yemen
Mohammed M. Farran
Water resources management
Water resources
Hydrology
Environmental sciences
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
94
94
1.000
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Yemen
Hakim A Abdo
Machine Learning
Deep Learning
Computer Vision
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
94
93
0.989
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Yemen
Abdulrahman A Sharif
Numerical analysis
Fractional differential equations
Fractional integro-differential equations
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
67
67
1.000
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Yemen
Adel Mohammed Qadha
Applied Linguistics
Discourse Analysis
Pragmatics
Stylistics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
65
64
0.985
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Yemen
Gamil Rs Qaid
Information Security
Image Processing
AI
Cloud Computing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
65
35
0.538
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Yemen
Saif Sallam Alhakimi
International Economics
Macroeconomics
Growth
Monetary theory
Econometrics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59
37
0.627
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Yemen
Saeed Wasel
Recent sediments
Coastal sediments
sabkha
Environmentsl geochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
55
40
0.727
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Yemen
Ghunaim Nasher
Hydrogeology
Hydrochemsitry
Water quality
Water pollution
IWRM
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
54
35
0.648
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Yemen
Yahya Am Floos
coral reef
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
54
33
0.611
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Yemen
Zamzam Al-Ahdal
Inorganic Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47
0
0.000
* Total Citation Counts Rankings
Rankings
329,869
Yemen
17
1
Ranking Based On Selection: 1
Fathiah Zakham
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,987
2,811
0.941
* Total Citation Counts Rankings
Rankings
368,983
Yemen
19
2
Ranking Based On Selection: 2
Mohammed S Abdo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,596
2,504
0.965
Mathematical Models
Nonlinear Dynamics
Fractional Differential Equations
Fractional Calculus
* Total Citation Counts Rankings
Rankings
817,611
Yemen
89
3
Ranking Based On Selection: 3
Hussein Mohammed Abu Al-Rejal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
689
634
0.920
Management
Logistics & Supply chain management
Technology and Operations
Green Technology
ICT
* Total Citation Counts Rankings
Rankings
1,000,184
Yemen
154
4
Ranking Based On Selection: 4
Mouad MH Ali
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
421
298
0.708
Image processing
Biometrics
Pattern Recognition
Multimodal Biometrics
Neural networks
* Total Citation Counts Rankings
Rankings
1,090,649
Yemen
189
5
Ranking Based On Selection: 5
Mohammed Ghalib
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
337
107
0.318
* Total Citation Counts Rankings
Rankings
1,108,967
Yemen
196
6
Ranking Based On Selection: 6
Mohammed Amood AL-Kamarany
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
322
241
0.748
Pharmacology - Pharmacotherapy -- Therapeutic Drug Monitoring - Epidemiology
* Total Citation Counts Rankings
Rankings
1,186,487
Yemen
239
7
Ranking Based On Selection: 7
Yahya Alsayaad|Yahya Alsayad, Yahya Alsayyad
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
268
181
0.675
Materials Science and (Acoustic
Atomic
Molecular
Optical
Mathematical)
* Total Citation Counts Rankings
Rankings
1,215,060
Yemen
252
8
Ranking Based On Selection: 8
Jamil M Hamodi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
251
64
0.255
Network Communication
Computer Networking
Mobile Ad Hoc
wireless sensor
IOT
* Total Citation Counts Rankings
Rankings
1,272,540
Yemen
288
9
Ranking Based On Selection: 9
Ola A. Al-Wesabi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
219
196
0.895
Information System
Big Data
* Total Citation Counts Rankings
Rankings
1,320,844
Yemen
320
10
Ranking Based On Selection: 10
Talha Al-Dubai
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
196
163
0.832

360° Institutional Performance & Benchmarking Click Here for Live Demo 

Gain data-driven strategic insights into your institution’s academic performance, global positioning, and competitive strengths through advanced analysis and benchmarking

with 20 similarly ranked institutions at City, Country, Region, and Global levels. 

* Total Citation Counts Rankings
Rankings
1,324,535
Yemen
322
11
Ranking Based On Selection: 11
Basheer Al-Anesi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
194
194
1.000
Material chemistry
Perovskite solar cells
perovskite-inspired materials
* Total Citation Counts Rankings
Rankings
1,332,180
Yemen
326
12
Ranking Based On Selection: 12
Nagib Qarah
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
191
175
0.916
Analytical Chemistry
pharmaceutical analysis
pharmaceutical chemistry
* Total Citation Counts Rankings
Rankings
1,357,708
Yemen
332
13
Ranking Based On Selection: 13
Nemah Abdullah Ayash Ezzi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
181
88
0.486
* Total Citation Counts Rankings
Rankings
1,379,543
Yemen
347
14
Ranking Based On Selection: 14
Aaid G. Al-Zubieri
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
172
160
0.930
Marine Geology
coastal management
* Total Citation Counts Rankings
Rankings
1,431,113
Yemen
367
15
Ranking Based On Selection: 15
Wadeea Ahmed Abdo Qaid
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
154
59
0.383
Artificial Intelligence
Information System
* Total Citation Counts Rankings
Rankings
1,644,239
Yemen
502
16
Ranking Based On Selection: 16
Mohammed M. Farran
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
94
94
1.000
Water resources management
Water resources
Hydrology
Environmental sciences
* Total Citation Counts Rankings
Rankings
1,644,872
Yemen
503
17
Ranking Based On Selection: 17
Hakim A Abdo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
94
93
0.989
* Total Citation Counts Rankings
Rankings
1,778,063
Yemen
587
18
Ranking Based On Selection: 18
Abdulrahman A Sharif
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
67
67
1.000
Numerical analysis
Fractional differential equations
Fractional integro-differential equations
* Total Citation Counts Rankings
Rankings
1,790,008
Yemen
596
19
Ranking Based On Selection: 19
Adel Mohammed Qadha
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
65
64
0.985
Applied Linguistics
Discourse Analysis
Pragmatics
Stylistics
* Total Citation Counts Rankings
Rankings
1,792,916
Yemen
599
20
Ranking Based On Selection: 20
Gamil Rs Qaid
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
65
35
0.538
Information Security
Image Processing
AI
Cloud Computing
* Total Citation Counts Rankings
Rankings
1,827,789
Yemen
630
21
Ranking Based On Selection: 21
Saif Sallam Alhakimi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59
37
0.627
International Economics
Macroeconomics
Growth
Monetary theory
Econometrics
* Total Citation Counts Rankings
Rankings
1,852,357
Yemen
644
22
Ranking Based On Selection: 22
Saeed Wasel
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
55
40
0.727
Recent sediments
Coastal sediments
sabkha
Environmentsl geochemistry
* Total Citation Counts Rankings
Rankings
1,859,198
Yemen
652
23
Ranking Based On Selection: 23
Ghunaim Nasher
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
54
35
0.648
Hydrogeology
Hydrochemsitry
Water quality
Water pollution
IWRM
* Total Citation Counts Rankings
Rankings
1,859,342
Yemen
653
24
Ranking Based On Selection: 24
Yahya Am Floos
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
54
33
0.611
* Total Citation Counts Rankings
Rankings
1,907,535
Yemen
686
25
Ranking Based On Selection: 25
Zamzam Al-Ahdal
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
47
0
0.000
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