Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 459 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
Crop physiology
Seed science
Allelopathy
Agronomy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59,595
38,022
0.638
* Total Citation Counts Rankings
Ranking Based On Selection: 2
High Energy Physics
Mathematical Physics
Quasicrystals
Quaternions
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,610
7,723
0.280
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Immunology
HIV/AIDS
Natural anti-infective agents
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,688
16,128
0.681
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Biofuel
Water treatment
Environmental Pollution
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,094
14,655
0.729
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Pharmacology
Toxicology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,222
6,895
0.359
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Food Processing
Food Quality
Food Functionality
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,075
6,592
0.365
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Green Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,560
7,413
0.509
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Technology Adoption
Digital Marketing
Consumer behaviour
Knowledge Management
e-commerce
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,002
9,839
0.757
* Total Citation Counts Rankings
Ranking Based On Selection: 9
ENT
Management
Quality & Patient Safety
Medical Education
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,558
7,051
0.561
* Total Citation Counts Rankings
Ranking Based On Selection: 10
agriculture
horticulture
plant science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,715
7,930
0.677
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Marine Biotechnology
Chemical Ecology
Marine Natural Products
Biofouling
Marine Microbiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,934
5,210
0.476
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Hematology
Immunology
Cancer
Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,752
2,419
0.248
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Public Health
Neurosciences
Psychology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,474
4,672
0.493
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Analytical and Applied Environmental Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,259
2,823
0.305
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Nanotechnology
Graphene
Enhanced Oil Recovery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,035
2,479
0.274
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Plant Pathology
Population genetics
Fungal diversity
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,725
6,354
0.728
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Digital marketing
consumer behavior
branding
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,583
5,171
0.602
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Biostatistics
Public Health
Epidemiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,357
2,920
0.349
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Plant genetics
genomics
bioinformatics
diagnostics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,187
1,474
0.180
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Organometallic Polymers
Coordination Chemistry
Materials Chemistry
OLEDs
Solar Cells
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,021
2,689
0.335
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Earth and Planetary Sciences
Climate Change
Renewable Energy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,613
3,764
0.494
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Lipid and Lipoprotein Disorders
Familial hypercholesterolemia
Cardiovascular Disease risk factors
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,496
5,004
0.668
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Topological Groups
Fixed Point Theory
Commutativity theorems in rings
derivations in rings
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,439
3,061
0.411
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Plant Pathology
Plant Biotechnology
Biological control
Mycotoxins
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,275
2,511
0.345
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Energy and Environment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,266
3,030
0.417
* Total Citation Counts Rankings
Rankings
7,746
1
1
Ranking Based On Selection: 1
Muhammad Farooq
Sultan Qaboos University
Muscat, Oman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
59,595
38,022
0.638
Crop physiology
Seed science
Allelopathy
Agronomy
* Total Citation Counts Rankings
Rankings
26,043
2
2
Ranking Based On Selection: 2
Nazife Koca Ozdes
Sultan Qaboos University
Muscat, Oman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,610
7,723
0.280
High Energy Physics
Mathematical Physics
Quasicrystals
Quaternions
* Total Citation Counts Rankings
Rankings
32,715
3
3
Ranking Based On Selection: 3
Ali A Al Jabri
Sultan Qaboos University
Muscat, Oman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,688
16,128
0.681
Immunology
HIV/AIDS
Natural anti-infective agents
* Total Citation Counts Rankings
Rankings
41,219
6
4
Ranking Based On Selection: 4
Ala A H Al Muhtaseb
Sultan Qaboos University
Muscat, Oman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,094
14,655
0.729
Biofuel
Water treatment
Environmental Pollution
* Total Citation Counts Rankings
Rankings
43,749
7
5
Ranking Based On Selection: 5
Badreldin H Ali
Sultan Qaboos University
Muscat, Oman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,222
6,895
0.359
* Total Citation Counts Rankings
Rankings
47,654
8
6
Ranking Based On Selection: 6
Md. Shafiur Rahman
Sultan Qaboos University
Muscat, Oman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,075
6,592
0.365
Food Processing
Food Quality
Food Functionality
* Total Citation Counts Rankings
Rankings
63,504
10
7
Ranking Based On Selection: 7
Farouq Sabri Mjalli
Sultan Qaboos University
Muscat, Oman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,560
7,413
0.509
* Total Citation Counts Rankings
Rankings
73,518
12
8
Ranking Based On Selection: 8
Ali Tarhini
Sultan Qaboos University
Muscat, Oman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,002
9,839
0.757
Technology Adoption
Digital Marketing
Consumer behaviour
Knowledge Management
e-commerce
* Total Citation Counts Rankings
Rankings
76,693
13
9
Ranking Based On Selection: 9
Rashid Al Abri
Sultan Qaboos University
Muscat, Oman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,558
7,051
0.561
ENT
Management
Quality & Patient Safety
Medical Education
* Total Citation Counts Rankings
Rankings
83,517
16
10
Ranking Based On Selection: 10
Mumtaz Khan
Sultan Qaboos University
Muscat, Oman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,715
7,930
0.677
agriculture
horticulture
plant science
* Total Citation Counts Rankings
Rankings
90,666
17
11
Ranking Based On Selection: 11
Sergey Dobretsov
Sultan Qaboos University
Muscat, Oman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,934
5,210
0.476
Marine Biotechnology
Chemical Ecology
Marine Natural Products
Biofouling
Marine Microbiology
* Total Citation Counts Rankings
Rankings
103,461
20
12
Ranking Based On Selection: 12
Mohamed Rachid Boulassel
Sultan Qaboos University
Muscat, Oman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,752
2,419
0.248
Hematology
Immunology
Cancer
Medicine
* Total Citation Counts Rankings
Rankings
106,946
23
13
Ranking Based On Selection: 13
Samir Al Adawi
Sultan Qaboos University
Muscat, Oman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,474
4,672
0.493
* Total Citation Counts Rankings
Rankings
109,735
24
14
Ranking Based On Selection: 14
Rengaraj Selvaraj
Sultan Qaboos University
Muscat, Oman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,259
2,823
0.305
Analytical and Applied Environmental Chemistry
* Total Citation Counts Rankings
Rankings
112,866
26
15
Ranking Based On Selection: 15
Tariq Mohiuddin Mohammed Ghulam
Sultan Qaboos University
Muscat, Oman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,035
2,479
0.274
Nanotechnology
Graphene
Enhanced Oil Recovery
* Total Citation Counts Rankings
Rankings
117,417
28
16
Ranking Based On Selection: 16
Abdullah M Al Sadi
Sultan Qaboos University
Muscat, Oman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,725
6,354
0.728
Plant Pathology
Population genetics
Fungal diversity
* Total Citation Counts Rankings
Rankings
119,576
29
17
Ranking Based On Selection: 17
Khaldoon Nusair
Sultan Qaboos University
Muscat, Oman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,583
5,171
0.602
Digital marketing
consumer behavior
branding
* Total Citation Counts Rankings
Rankings
123,174
30
18
Ranking Based On Selection: 18
Moon Fai Chan
Sultan Qaboos University
Muscat, Oman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,357
2,920
0.349
Biostatistics
Public Health
Epidemiology
* Total Citation Counts Rankings
Rankings
126,005
32
19
Ranking Based On Selection: 19
Timothy Holton
Sultan Qaboos University
Muscat, Oman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,187
1,474
0.180
Plant genetics
genomics
bioinformatics
diagnostics
* Total Citation Counts Rankings
Rankings
128,877
33
20
Ranking Based On Selection: 20
Muhammad S Khan
Sultan Qaboos University
Muscat, Oman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,021
2,689
0.335
Organometallic Polymers
Coordination Chemistry
Materials Chemistry
OLEDs
Solar Cells
* Total Citation Counts Rankings
Rankings
136,502
34
21
Ranking Based On Selection: 21
Yassine Charabi
Sultan Qaboos University
Muscat, Oman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,613
3,764
0.494
Earth and Planetary Sciences
Climate Change
Renewable Energy
* Total Citation Counts Rankings
Rankings
138,759
36
22
Ranking Based On Selection: 22
Khalid Al Rasadi
Sultan Qaboos University
Muscat, Oman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,496
5,004
0.668
Lipid and Lipoprotein Disorders
Familial hypercholesterolemia
Cardiovascular Disease risk factors
* Total Citation Counts Rankings
Rankings
139,912
37
23
Ranking Based On Selection: 23
Mohammad Khan
Sultan Qaboos University
Muscat, Oman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,439
3,061
0.411
Topological Groups
Fixed Point Theory
Commutativity theorems in rings
derivations in rings
* Total Citation Counts Rankings
Rankings
143,280
40
24
Ranking Based On Selection: 24
Velazhahan Rethinasamy
Sultan Qaboos University
Muscat, Oman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,275
2,511
0.345
Plant Pathology
Plant Biotechnology
Biological control
Mycotoxins
* Total Citation Counts Rankings
Rankings
143,455
41
25
Ranking Based On Selection: 25
Sabah Ahmed Abdul Wahab Al Sulaiman
Sultan Qaboos University
Muscat, Oman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,266
3,030
0.417