Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 803 Scientists Citation Rankings (Sort by last 6 years Citation Index) - 2025
The Citation Rankings (Highly Cited Researchers) list highlight the most cited and influential researchers across a vast range of scientific fields, covering 211 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.
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 1
Reactor Design
Adsorption
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
72,167
32,558
0.451
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* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 2
Sensors
Renewable Energy
3D Printing
Catalysis
Machine Learning
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,828
17,210
0.868
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 3
Signal Processing
Pattern Recognition
Machine Intelligence
Data Mining
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,195
16,928
0.799
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 4
Virology
Immunology
and Vaccinolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,365
16,835
0.869
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 5
public health
epidemiology
social determinants of health
women's health
noncommunicable disease
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,962
15,854
0.690
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 6
Heavy metals
Physiology
Copper
Fibrous crop
Phytoremediatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,434
15,305
0.878
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 7
Microbiology & Immunology Serology
Zebrafish Researc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,197
15,144
0.935
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 8
Biomaterials
Tissue Engineering
Bioprinting
Wound Healing
Artificial Intelligence
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,327
14,167
0.818
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 9
Nutritional epidemiology
Diabetes
Anemia
Adolescent health
Obesity
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,905
13,130
0.488
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* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 10
AI & Machine learning
Biomedical instrumentation
Digital Health
Materials
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,311
12,990
0.976
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 11
Power Electronics
Electric Drives
Renewable Energ
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,108
12,719
0.743
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 12
Environmental Biotechnology
Sustainable Development
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,137
12,072
0.462
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 13
Analytical and environmental chemistry
Environmental Remediation
Validation method in analytical chemistry
Remediation
Adsor
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,335
11,640
0.759
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 14
Advanced Materials
Digital Transformation
AI
Quality Engineering
Engineering Managemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,820
11,628
0.559
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 15
Sensors and Electronics
Biomedical Engineering
Smart Waste Management
IoT Based Solution
C
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,029
10,814
0.981
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 16
Nanomaterials
catalysis
Nanobiotechnolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,839
10,762
0.639
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 17
Materials
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,928
10,510
0.962
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 18
Research Synthesis
Clinical Epidemiology
Endocrinology
Meta-analysis
Evidence Based Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,752
10,472
0.625
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 19
Environmental Engineerin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,132
9,868
0.813
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 20
Ionic liquids
natural gas hydrates
membrane distilation CO2 conversion
wastewater treatment
adsorption
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,363
9,733
0.530
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 21
Artificial Intelligence
Image Processing
Computer Vision
Security
Cybersecurity
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,374
9,206
0.809
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 22
Climate change ecology
Climate change vulnerability
Vegetation Science
Soil biodiversity
ITEX
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,937
8,872
0.637
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 23
Internet of things
Smart health systems
UAV technologies
cybersecurity
Edge computing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,695
8,596
0.804
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 24
Desalination
water treatment
environmental engineerin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,166
8,956
0.977
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection: 25
Pharmacology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,121
8,438
0.834
* Last 6 Years Citation Counts Rankings
Rankings
5,424
3
1
Ranking Based On Selection: 1
Bassim H Hameed
Qatar University
Doha, Qatar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
72,167
32,558
0.451
Reactor Design
Adsorption
* Last 6 Years Citation Counts Rankings
Rankings
14,629
9
2
Ranking Based On Selection: 2
Kishor Kumar Sadasivuni
Qatar University
Doha, Qatar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,828
17,210
0.868
Sensors
Renewable Energy
3D Printing
Catalysis
Machine Learning
* Last 6 Years Citation Counts Rankings
Rankings
14,983
10
3
Ranking Based On Selection: 3
Serkan Kiranyaz
Qatar University
Doha, Qatar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,195
16,928
0.799
Signal Processing
Pattern Recognition
Machine Intelligence
Data Mining
* Last 6 Years Citation Counts Rankings
Rankings
15,129
11
4
Ranking Based On Selection: 4
Hadi M Yassine
Qatar University
Doha, Qatar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,365
16,835
0.869
Virology
Immunology
and Vaccinolog
* Last 6 Years Citation Counts Rankings
Rankings
16,526
12
5
Ranking Based On Selection: 5
Hanan Abdul Rahim
Qatar University
Doha, Qatar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,962
15,854
0.690
public health
epidemiology
social determinants of health
women's health
noncommunicable disease
* Last 6 Years Citation Counts Rankings
Rankings
17,460
13
6
Ranking Based On Selection: 6
Muhammad Hamzah Saleem
Qatar University
Doha, Qatar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,434
15,305
0.878
* Last 6 Years Citation Counts Rankings
Rankings
17,744
14
7
Ranking Based On Selection: 7
Gheyath K Nasrallah
Qatar University
Doha, Qatar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,197
15,144
0.935
Microbiology & Immunology Serology
Zebrafish Researc
* Last 6 Years Citation Counts Rankings
Rankings
19,605
15
8
Ranking Based On Selection: 8
Hasan Anwarul
Qatar University
Doha, Qatar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,327
14,167
0.818
Biomaterials
Tissue Engineering
Bioprinting
Wound Healing
Artificial Intelligence
* Last 6 Years Citation Counts Rankings
Rankings
21,975
17
9
Ranking Based On Selection: 9
Zumin Shi
Qatar University
Doha, Qatar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,905
13,130
0.488
Nutritional epidemiology
Diabetes
Anemia
Adolescent health
Obesity
* Last 6 Years Citation Counts Rankings
Rankings
22,354
18
10
Ranking Based On Selection: 10
Muhammad EH Chowdhury
Qatar University
Doha, Qatar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,311
12,990
0.976
AI & Machine learning
Biomedical instrumentation
Digital Health
Materials
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Compare your institution’s global, national, and city-level ranking with its 20 closest competitors and set strategic goals.
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* Last 6 Years Citation Counts Rankings
Rankings
23,065
19
11
Ranking Based On Selection: 11
Atif Iqbal
Qatar University
Doha, Qatar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,108
12,719
0.743
Power Electronics
Electric Drives
Renewable Energ
* Last 6 Years Citation Counts Rankings
Rankings
24,988
21
12
Ranking Based On Selection: 12
Sami Sayadi
Qatar University
Doha, Qatar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
26,137
12,072
0.462
Environmental Biotechnology
Sustainable Development
* Last 6 Years Citation Counts Rankings
Rankings
26,425
24
13
Ranking Based On Selection: 13
Mohammad A Al Ghouti
Qatar University
Doha, Qatar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,335
11,640
0.759
Analytical and environmental chemistry
Environmental Remediation
Validation method in analytical chemistry
Remediation
Adsor
* Last 6 Years Citation Counts Rankings
Rankings
26,487
25
14
Ranking Based On Selection: 14
Abdel Magid Hamouda
Qatar University
Doha, Qatar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,820
11,628
0.559
Advanced Materials
Digital Transformation
AI
Quality Engineering
Engineering Managemen
* Last 6 Years Citation Counts Rankings
Rankings
29,525
29
15
Ranking Based On Selection: 15
Amith Khandakar
Qatar University
Doha, Qatar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,029
10,814
0.981
Sensors and Electronics
Biomedical Engineering
Smart Waste Management
IoT Based Solution
C
* Last 6 Years Citation Counts Rankings
Rankings
29,729
30
16
Ranking Based On Selection: 16
Ahmed Elzatahry
Qatar University
Doha, Qatar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,839
10,762
0.639
Nanomaterials
catalysis
Nanobiotechnolog
* Last 6 Years Citation Counts Rankings
Rankings
30,775
33
17
Ranking Based On Selection: 17
Emer Mater
Qatar University
Doha, Qatar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,928
10,510
0.962
* Last 6 Years Citation Counts Rankings
Rankings
30,959
34
18
Ranking Based On Selection: 18
Suhail A Doi
Qatar University
Doha, Qatar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,752
10,472
0.625
Research Synthesis
Clinical Epidemiology
Endocrinology
Meta-analysis
Evidence Based Medicine
* Last 6 Years Citation Counts Rankings
Rankings
33,871
37
19
Ranking Based On Selection: 19
Fares Almomani
Qatar University
Doha, Qatar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,132
9,868
0.813
Environmental Engineerin
* Last 6 Years Citation Counts Rankings
Rankings
34,542
38
20
Ranking Based On Selection: 20
Majeda Khraisheh
Qatar University
Doha, Qatar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,363
9,733
0.530
Ionic liquids
natural gas hydrates
membrane distilation CO2 conversion
wastewater treatment
adsorption
* Last 6 Years Citation Counts Rankings
Rankings
37,436
41
21
Ranking Based On Selection: 21
Somaya Al Maadeed
Qatar University
Doha, Qatar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,374
9,206
0.809
Artificial Intelligence
Image Processing
Computer Vision
Security
Cybersecurity
* Last 6 Years Citation Counts Rankings
Rankings
39,524
45
22
Ranking Based On Selection: 22
Juha M Alatalo
Qatar University
Doha, Qatar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,937
8,872
0.637
Climate change ecology
Climate change vulnerability
Vegetation Science
Soil biodiversity
ITEX
* Last 6 Years Citation Counts Rankings
Rankings
41,386
46
23
Ranking Based On Selection: 23
Amr Mohamed
Qatar University
Doha, Qatar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,695
8,596
0.804
Internet of things
Smart health systems
UAV technologies
cybersecurity
Edge computing
* Last 6 Years Citation Counts Rankings
Rankings
38,994
44
1
Ranking Based On Selection: 24
Khaled Elsaid
Texas A&M University at Qatar
Ar-Rayyan, Qatar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,166
8,956
0.977
Desalination
water treatment
environmental engineerin
* Last 6 Years Citation Counts Rankings
Rankings
42,490
47
24
Ranking Based On Selection: 25
Ali H Eid
Qatar University
Doha, Qatar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,121
8,438
0.834