Top 100 Scientists

World Top 100 Scientists 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field rankings in world, region, country, and university are in Beta version and are subject to real-time updates, since the subject field “Others” (1,121,279 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded. These rankings will dynamically evolve in real time as the “Others” profiles are revised and classified. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 1
Adel Kadri
Synthesis Organic Chemistry
Drug protein interaction
Enzyme chemistry and inhibitio
Metrics
 
H-Index
i10 Index
Citation
41
75
4,443
* Rankings
Ranking Based On Selection: 5
Nasser A. Ali
Biology and Chemistry of Essential Oils
biological screening of medicinal plant
Metrics
 
H-Index
i10 Index
Citation
28
44
2,904
* Rankings
Ranking Based On Selection: 6
Yusuf Perwej
Soft Computing
Big Data
IoT (Internet of things)
Blockchain
Metrics
 
H-Index
i10 Index
Citation
27
55
2,173
* Rankings
Ranking Based On Selection: 7
Saleem Muhammad Qaiser
Software Engineering
Business Process Modeling
Model Driven Security
Information Syste
Metrics
 
H-Index
i10 Index
Citation
26
63
4,918
* Rankings
Ranking Based On Selection: 9
Mohammed Y Alzahrani
Formal Methods
Model Checking
Information Security
Software Verification
Data minin
Metrics
 
H-Index
i10 Index
Citation
24
35
2,296
* Rankings
Ranking Based On Selection: 11
Mohammad Mahboob Alam
Organic Chemistry
Medicinal Chemistry
Natural product chemistry
analytical chemistr
Metrics
 
H-Index
i10 Index
Citation
23
35
1,824
* Rankings
Ranking Based On Selection: 12
Loutfy Hamed Madkour
Nanoscience
Advanced Structured Materials
Cancer Nanomedicine
Drug Delivery
Physical Sciences
Metrics
 
H-Index
i10 Index
Citation
22
37
2,595
* Rankings
Ranking Based On Selection: 15
Ahmed A Azazy
Leishmaniasis
Malaria
Schistosomiasis
Hydatidosi
Metrics
 
H-Index
i10 Index
Citation
18
27
1,037
* Rankings
Ranking Based On Selection: 16
Adil Fahad
Machine Learning
Cybersecurity
Networking
Data Analysi
Metrics
 
H-Index
i10 Index
Citation
17
19
2,459
* Rankings
Ranking Based On Selection: 18
Waled AM Ahmed|Waled Ahmed, WAM Ahmed, Waled Amen Mohammed Ahmed
Community Health Nursing
Psychiatric Health Nursing
Primary Health Care Nursing
Prevention an
Metrics
 
H-Index
i10 Index
Citation
16
26
823
* Rankings
Ranking Based On Selection: 21
Talal A Sallam
Viral infections and viral hepatitis in particula
Metrics
 
H-Index
i10 Index
Citation
15
22
844
* Rankings
Ranking Based On Selection: 22
Abdulkareem Alzahrani
Artificial Intelligence
Computational Intelligence
Ambient intelligence
Agent and Multi-agen
Metrics
 
H-Index
i10 Index
Citation
14
14
813
* Rankings
Ranking Based On Selection: 23
Sami A Zabin
Chemistry of metal complexes
Risk assessmen
Metrics
 
H-Index
i10 Index
Citation
14
18
691
Rankings
Ranking Based On Selection: 1
Adel Kadri
Metrics
 
H-Index
i10 Index
Citation Counts
41
75
4,443
Synthesis Organic Chemistry
Drug protein interaction
Enzyme chemistry and inhibitio
Rankings
Ranking Based On Selection: 2
Shamshi Hassan
Metrics
 
H-Index
i10 Index
Citation Counts
32
62
2,660
Rankings
Ranking Based On Selection: 3
Abdelazim A Ahmed
Metrics
 
H-Index
i10 Index
Citation Counts
31
79
3,377
Rankings
Ranking Based On Selection: 5
Nasser A. Ali
Metrics
 
H-Index
i10 Index
Citation Counts
28
44
2,904
Biology and Chemistry of Essential Oils
biological screening of medicinal plant
Rankings
Ranking Based On Selection: 6
Yusuf Perwej
Metrics
 
H-Index
i10 Index
Citation Counts
27
55
2,173
Soft Computing
Big Data
IoT (Internet of things)
Blockchain
Rankings
Ranking Based On Selection: 7
Saleem Muhammad Qaiser
Metrics
 
H-Index
i10 Index
Citation Counts
26
63
4,918
Software Engineering
Business Process Modeling
Model Driven Security
Information Syste
Rankings
Ranking Based On Selection: 8
Rahmat Budiarto
Metrics
 
H-Index
i10 Index
Citation Counts
26
84
3,445
Rankings
Ranking Based On Selection: 9
Mohammed Y Alzahrani
Metrics
 
H-Index
i10 Index
Citation Counts
24
35
2,296
Formal Methods
Model Checking
Information Security
Software Verification
Data minin
Rankings
Ranking Based On Selection: 10
Cytogenetics
Cancer research
Molecular and Cell Biolog
Rankings
Ranking Based On Selection: 11
Mohammad Mahboob Alam
Metrics
 
H-Index
i10 Index
Citation Counts
23
35
1,824
Organic Chemistry
Medicinal Chemistry
Natural product chemistry
analytical chemistr
Rankings
Ranking Based On Selection: 12
Loutfy Hamed Madkour
Metrics
 
H-Index
i10 Index
Citation Counts
22
37
2,595
Nanoscience
Advanced Structured Materials
Cancer Nanomedicine
Drug Delivery
Physical Sciences
Rankings
Ranking Based On Selection: 13
Naseem Akhter
Metrics
 
H-Index
i10 Index
Citation Counts
21
53
2,545
Rankings
Ranking Based On Selection: 14
Nagesh Bhat
Metrics
 
H-Index
i10 Index
Citation Counts
21
36
1,255
Rankings
Ranking Based On Selection: 15
Ahmed A Azazy
Metrics
 
H-Index
i10 Index
Citation Counts
18
27
1,037
Rankings
Ranking Based On Selection: 16
Adil Fahad
Metrics
 
H-Index
i10 Index
Citation Counts
17
19
2,459
Machine Learning
Cybersecurity
Networking
Data Analysi
Rankings
Ranking Based On Selection: 17
Abuelnuor Abdeen Ali Abuelnuor
Metrics
 
H-Index
i10 Index
Citation Counts
17
23
1,204
Rankings
Ranking Based On Selection: 18
Waled AM Ahmed|Waled Ahmed, WAM Ahmed, Waled Amen Mohammed Ahmed
Metrics
 
H-Index
i10 Index
Citation Counts
16
26
823
Community Health Nursing
Psychiatric Health Nursing
Primary Health Care Nursing
Prevention an
Rankings
Ranking Based On Selection: 20
Ahmed M Nawar
Metrics
 
H-Index
i10 Index
Citation Counts
15
22
818
Rankings
Ranking Based On Selection: 21
Talal A Sallam
Metrics
 
H-Index
i10 Index
Citation Counts
15
22
844
Viral infections and viral hepatitis in particula
Rankings
Ranking Based On Selection: 22
Abdulkareem Alzahrani
Metrics
 
H-Index
i10 Index
Citation Counts
14
14
813
Artificial Intelligence
Computational Intelligence
Ambient intelligence
Agent and Multi-agen
Rankings
Ranking Based On Selection: 23
Sami A Zabin
Metrics
 
H-Index
i10 Index
Citation Counts
14
18
691
Rankings
Ranking Based On Selection: 24
Mohamed Ali Zarai
Metrics
 
H-Index
i10 Index
Citation Counts
13
16
543
Rankings
Ranking Based On Selection: 25
Suliman A. Alderhami|Suliman Alderhami
Metrics
 
H-Index
i10 Index
Citation Counts
11
13
448