World Scientist and University Rankings 2025

Saudi Arabia Others 4.041 Scientists Subject Rankings - 2025

The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 197 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 6 yearsAs of Jan 30, 2025, the rankings are determined according to the Total H IndexBETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (873.690) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].

* Total H IndexRankings
Ranking Based On Selection: 1
Heribert Hirt
soil-plant-microbe interaction
Metrics
H-Index
i10 Index
Citation Counts
103
230
51,614
* Total H IndexRankings
Ranking Based On Selection: 2
Mohammad A Kamal
Enzyme inhibition kinetics
Metrics
H-Index
i10 Index
Citation Counts
84
622
34,616
* Total H IndexRankings
Ranking Based On Selection: 3
Kuo Wei Huang
Hydrogen Storage
Catalysis
Organometallics
DFT
Mechanistic studies
Metrics
H-Index
i10 Index
Citation Counts
79
269
20,609
* Total H IndexRankings
Ranking Based On Selection: 5
Abdul Hamid Emwas
NMR
EPR
Metabolomics
Metrics
H-Index
i10 Index
Citation Counts
67
230
19,795
* Total H IndexRankings
Ranking Based On Selection: 6
Ali H Hajeer
Transplant Immunology
genetics of complex diseases
diagnostics immunology
autoimmunity
Metrics
H-Index
i10 Index
Citation Counts
65
149
14,222
* Total H IndexRankings
Ranking Based On Selection: 7
Mahmoud Ahmed
الهندسة الإنشائية - الجيوتقنيه
Metrics
H-Index
i10 Index
Citation Counts
64
349
21,966
* Total H IndexRankings
Ranking Based On Selection: 8
Magdy Ezzat
MHD
Thermoelasticity
Metrics
H-Index
i10 Index
Citation Counts
64
158
9,018
* Total H IndexRankings
Ranking Based On Selection: 9
Geert Jan Witkamp
(Bio-)Process Technology
Water Desalination
Eutectic Freeze Crystallization
Natural Deep Eutectic Solvents
Metrics
H-Index
i10 Index
Citation Counts
64
234
20,819
* Total H IndexRankings
Ranking Based On Selection: 10
Hesham M Al Mekhlafi
Neglected Tropical Diseases
Infectious Diseases
Malaria
Schistosomiasis
Nutrition
Metrics
H-Index
i10 Index
Citation Counts
61
128
51,519

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* Total H IndexRankings
Ranking Based On Selection: 11
Esam Ibraheem Azhar
Infectious Agents
Respiratory Infection
VHFs
Viral Hepatitis
Metrics
H-Index
i10 Index
Citation Counts
60
266
22,073
* Total H IndexRankings
Ranking Based On Selection: 12
Fakhrul Islam
Neurodegenerative diseases
Behavior activity
Nanodrug delivery
Metrics
H-Index
i10 Index
Citation Counts
60
126
10,741
* Total H IndexRankings
Ranking Based On Selection: 14
Ahmed A Ibrahim
Metrics
H-Index
i10 Index
Citation Counts
58
324
13,412
* Total H IndexRankings
Ranking Based On Selection: 15
Khalid A Alamry
Organic Polymer
Biopolymers
Metrics
H-Index
i10 Index
Citation Counts
58
228
11,146
* Total H IndexRankings
Ranking Based On Selection: 16
Magdisadek Mostafa Mahmoud
Time-Delay Systems
Interconnected Systems
Robust Control
Networked Control Systems
Cloud Control Systems
Metrics
H-Index
i10 Index
Citation Counts
58
292
15,525
* Total H IndexRankings
Ranking Based On Selection: 18
Muhammad Raza
Free radicals
drug toxicology
epilepsy
antioxidants
Metrics
H-Index
i10 Index
Citation Counts
56
246
13,114
* Total H IndexRankings
Ranking Based On Selection: 19
Saleh Alwasel
Metrics
H-Index
i10 Index
Citation Counts
55
181
11,169
* Total H IndexRankings
Ranking Based On Selection: 20
Yousef Mohammad
Headache and stroke
Metrics
H-Index
i10 Index
Citation Counts
55
96
56,375
* Total H IndexRankings
Ranking Based On Selection: 23
Gyorgy Szekely
Organic solvent nanofiltration
Sustainability
Membranes
Continuous processing
Green solvents
Metrics
H-Index
i10 Index
Citation Counts
54
122
9,337
* Total H IndexRankings
Ranking Based On Selection: 24
Hameed Ullah Khan
Data Compression
Information Security
E-Commerce
Metrics
H-Index
i10 Index
Citation Counts
54
248
56,265
* Total H IndexRankings
Ranking Based On Selection: 25
Ahmad Aljada
Aging
Diabetes and Cancer
Metrics
H-Index
i10 Index
Citation Counts
54
96
21,669
* Total H Index Rankings
Rankings
Ranking Based On Selection: 1
Heribert Hirt
Metrics
H-Index
i10-Index
Citation Counts
103
230
51,614
soil-plant-microbe interaction
* Total H Index Rankings
Rankings
Ranking Based On Selection: 2
Mohammad A Kamal
Metrics
H-Index
i10-Index
Citation Counts
84
622
34,616
Enzyme inhibition kinetics
* Total H Index Rankings
Rankings
Ranking Based On Selection: 3
Kuo Wei Huang
Metrics
H-Index
i10-Index
Citation Counts
79
269
20,609
Hydrogen Storage
Catalysis
Organometallics
DFT
Mechanistic studies
* Total H Index Rankings
Rankings
Ranking Based On Selection: 4
Zhang Huabin
Metrics
H-Index
i10-Index
Citation Counts
68
130
19,020
* Total H Index Rankings
Rankings
Ranking Based On Selection: 5
Abdul Hamid Emwas
Metrics
H-Index
i10-Index
Citation Counts
67
230
19,795
* Total H Index Rankings
Rankings
Ranking Based On Selection: 6
Ali H Hajeer
Metrics
H-Index
i10-Index
Citation Counts
65
149
14,222
Transplant Immunology
genetics of complex diseases
diagnostics immunology
autoimmunity
* Total H Index Rankings
Rankings
Ranking Based On Selection: 7
Mahmoud Ahmed
Metrics
H-Index
i10-Index
Citation Counts
64
349
21,966
الهندسة الإنشائية - الجيوتقنيه
* Total H Index Rankings
Rankings
Ranking Based On Selection: 8
Magdy Ezzat
Metrics
H-Index
i10-Index
Citation Counts
64
158
9,018
* Total H Index Rankings
Rankings
Ranking Based On Selection: 9
Geert Jan Witkamp
Metrics
H-Index
i10-Index
Citation Counts
64
234
20,819
(Bio-)Process Technology
Water Desalination
Eutectic Freeze Crystallization
Natural Deep Eutectic Solvents
* Total H Index Rankings
Rankings
Ranking Based On Selection: 10
Hesham M Al Mekhlafi
Metrics
H-Index
i10-Index
Citation Counts
61
128
51,519
Neglected Tropical Diseases
Infectious Diseases
Malaria
Schistosomiasis
Nutrition

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

* Total H Index Rankings
Rankings
Ranking Based On Selection: 11
Esam Ibraheem Azhar
Metrics
H-Index
i10-Index
Citation Counts
60
266
22,073
Infectious Agents
Respiratory Infection
VHFs
Viral Hepatitis
* Total H Index Rankings
Rankings
Ranking Based On Selection: 12
Fakhrul Islam
Metrics
H-Index
i10-Index
Citation Counts
60
126
10,741
Neurodegenerative diseases
Behavior activity
Nanodrug delivery
* Total H Index Rankings
Rankings
Ranking Based On Selection: 13
Depeursinge
Metrics
H-Index
i10-Index
Citation Counts
59
142
21,095
* Total H Index Rankings
Rankings
Ranking Based On Selection: 14
Ahmed A Ibrahim
Metrics
H-Index
i10-Index
Citation Counts
58
324
13,412
* Total H Index Rankings
Rankings
Ranking Based On Selection: 15
Khalid A Alamry
Metrics
H-Index
i10-Index
Citation Counts
58
228
11,146
Organic Polymer
Biopolymers
* Total H Index Rankings
Rankings
Ranking Based On Selection: 16
Magdisadek Mostafa Mahmoud
Metrics
H-Index
i10-Index
Citation Counts
58
292
15,525
Time-Delay Systems
Interconnected Systems
Robust Control
Networked Control Systems
Cloud Control Systems
* Total H Index Rankings
Rankings
Ranking Based On Selection: 17
Shamsad Ahmad
Metrics
H-Index
i10-Index
Citation Counts
57
323
14,780
* Total H Index Rankings
Rankings
Ranking Based On Selection: 18
Muhammad Raza
Metrics
H-Index
i10-Index
Citation Counts
56
246
13,114
Free radicals
drug toxicology
epilepsy
antioxidants
* Total H Index Rankings
Rankings
Ranking Based On Selection: 19
Saleh Alwasel
Metrics
H-Index
i10-Index
Citation Counts
55
181
11,169
* Total H Index Rankings
Rankings
Ranking Based On Selection: 20
Yousef Mohammad
Metrics
H-Index
i10-Index
Citation Counts
55
96
56,375
* Total H Index Rankings
Rankings
Ranking Based On Selection: 21
Tareq Alnaffouri
Metrics
H-Index
i10-Index
Citation Counts
55
226
11,920
* Total H Index Rankings
Rankings
Ranking Based On Selection: 22
Torove Leiknes
Metrics
H-Index
i10-Index
Citation Counts
55
130
8,359
* Total H Index Rankings
Rankings
Ranking Based On Selection: 23
Gyorgy Szekely
Metrics
H-Index
i10-Index
Citation Counts
54
122
9,337
Organic solvent nanofiltration
Sustainability
Membranes
Continuous processing
Green solvents
* Total H Index Rankings
Rankings
Ranking Based On Selection: 24
Hameed Ullah Khan
Metrics
H-Index
i10-Index
Citation Counts
54
248
56,265
Data Compression
Information Security
E-Commerce
* Total H Index Rankings
Rankings
Ranking Based On Selection: 25
Ahmad Aljada
Metrics
H-Index
i10-Index
Citation Counts
54
96
21,669
Aging
Diabetes and Cancer