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” (1,121,289 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
Nasir Al Allawi|Nasir  Abdulsalam Al-Allawi
Molecular Hematology
Thalassemias
Sickle cell disorders
thrombophilic disorder
Metrics
 
H-Index
i10 Index
Citation
27
41
2,657
* Rankings
Ranking Based On Selection: 4
Sabah Mohammed Ahmed|SM Ahmed, S Ahmed, Sabah M. A
Metal and ceramic Spraying
Nano Technology
Thin Fil
Metrics
 
H-Index
i10 Index
Citation
15
19
592
* Rankings
Ranking Based On Selection: 9
Suhad Yasin
Water Treatment
Nanofibers
Polymer
Electrospinnin
Metrics
 
H-Index
i10 Index
Citation
13
13
620
* Rankings
Ranking Based On Selection: 11
Dildar Haji Musa|DH MUSA, D MUSA
Laparoscopy
Breast
Thyroid surgery
COVID 19
Oncosurger
Metrics
 
H-Index
i10 Index
Citation
12
14
478
* Rankings
Ranking Based On Selection: 14
Qusay Idrees Sarhan|Qusay I. Sarhan, QI Sarhan
Software Engineering
Software Testing
Internet of Things
Generative AI
Machine Learnin
Metrics
 
H-Index
i10 Index
Citation
12
12
691
* Rankings
Ranking Based On Selection: 16
Daniele Suzete Persike De Oliveira
Biochemistry
Discover of new medications through traditional medicine
Sustainable Development and Community Developmen
Metrics
 
H-Index
i10 Index
Citation
12
16
758
* Rankings
Ranking Based On Selection: 17
Hevidar Taha
Biotechnology
Molecular biology
Vascular biology
Biochemistry
Inflammation
Metrics
 
H-Index
i10 Index
Citation
12
12
507
* Rankings
Ranking Based On Selection: 18
Sardar Hassan Arif
Laparoscopic surgery
Gastrointestinal surgery
Hepatopancreatobiliary surgery Oncosurger
Metrics
 
H-Index
i10 Index
Citation
11
15
382
* Rankings
Ranking Based On Selection: 19
Haval Y Yacoob
Radiation Biophysics
Biomedical Engineering
Electrodermal Activity
Bioimpedanc
Metrics
 
H-Index
i10 Index
Citation
11
12
376
* Rankings
Ranking Based On Selection: 20
Ihsan Tayeb|I Tayeb, IT Tayeb, Ihsan Tayeb
Poultry management
poultry behavior
poultry physiolog
Metrics
 
H-Index
i10 Index
Citation
11
13
367
* Rankings
Ranking Based On Selection: 21
Lokman H Hassan|LH Hassan, L Hassan, LHH Al-Sharafany
Power system stability
Power system monitoring and control
Artificial Intelligent contro
Metrics
 
H-Index
i10 Index
Citation
11
14
671
* Rankings
Ranking Based On Selection: 22
Yawooz Abdullah Kettanah
Economic geology
mineralogy
geochemistry
petrology
petroleum geology
Metrics
 
H-Index
i10 Index
Citation
11
14
381
* Rankings
Ranking Based On Selection: 25
Shawkat A. M'Sadeq|Shawkat A. M'Sadeq
poultry production
poultry management
poultry Nutrition
Gut healt
Metrics
 
H-Index
i10 Index
Citation
10
11
618
Rankings
Ranking Based On Selection: 1
Nasir Al Allawi|Nasir Abdulsalam Al-Allawi
Metrics
 
H-Index
i10 Index
Citation Counts
27
41
2,657
Molecular Hematology
Thalassemias
Sickle cell disorders
thrombophilic disorder
Rankings
Ranking Based On Selection: 2
Muayad A Merza|MA Merza, Muayad Merza, M Merza
Metrics
 
H-Index
i10 Index
Citation Counts
19
29
1,277
Rankings
Ranking Based On Selection: 3
Samim Ahmed Al Dabbagh|Al-Dabbagh, SA Al-Dabbagh, SA Al Dabbagh
Metrics
 
H-Index
i10 Index
Citation Counts
16
20
1,537
Rankings
Ranking Based On Selection: 4
Sabah Mohammed Ahmed|SM Ahmed, S Ahmed, Sabah M. A
Metrics
 
H-Index
i10 Index
Citation Counts
15
19
592
Metal and ceramic Spraying
Nano Technology
Thin Fil
Rankings
Ranking Based On Selection: 5
Abdulrahman Towfeeq Saadi
Metrics
 
H-Index
i10 Index
Citation Counts
15
16
775
Rankings
Ranking Based On Selection: 6
Sizar A Mohammed
Metrics
 
H-Index
i10 Index
Citation Counts
14
19
776
Rankings
Ranking Based On Selection: 7
Zana Sidiq M Saleem
Metrics
 
H-Index
i10 Index
Citation Counts
13
20
469
Rankings
Ranking Based On Selection: 8
Ameen Mosa Mohammad
Metrics
 
H-Index
i10 Index
Citation Counts
13
15
1,030
Rankings
Ranking Based On Selection: 9
Suhad Yasin
Metrics
 
H-Index
i10 Index
Citation Counts
13
13
620
Water Treatment
Nanofibers
Polymer
Electrospinnin
Rankings
Ranking Based On Selection: 10
Kamal Aziz Ketuly
Metrics
 
H-Index
i10 Index
Citation Counts
13
16
880
Rankings
Ranking Based On Selection: 11
Dildar Haji Musa|DH MUSA, D MUSA
Metrics
 
H-Index
i10 Index
Citation Counts
12
14
478
Laparoscopy
Breast
Thyroid surgery
COVID 19
Oncosurger
Rankings
Ranking Based On Selection: 12
Sleman Mohammed Beski|SSM Beski, S Beski, Sleman S Beski
Metrics
 
H-Index
i10 Index
Citation Counts
12
13
1,072
poultry physiology
poultry nutrition
digestive physiolog
Rankings
Ranking Based On Selection: 13
Nashwan Mr Ibrahim
Metrics
 
H-Index
i10 Index
Citation Counts
12
13
355
Rankings
Ranking Based On Selection: 14
Qusay Idrees Sarhan|Qusay I. Sarhan, QI Sarhan
Metrics
 
H-Index
i10 Index
Citation Counts
12
12
691
Software Engineering
Software Testing
Internet of Things
Generative AI
Machine Learnin
Rankings
Ranking Based On Selection: 15
Jaladet Jubrael
Metrics
 
H-Index
i10 Index
Citation Counts
12
17
741
Rankings
Ranking Based On Selection: 16
Daniele Suzete Persike De Oliveira
Metrics
 
H-Index
i10 Index
Citation Counts
12
16
758
Biochemistry
Discover of new medications through traditional medicine
Sustainable Development and Community Developmen
Rankings
Ranking Based On Selection: 17
Hevidar Taha
Metrics
 
H-Index
i10 Index
Citation Counts
12
12
507
Biotechnology
Molecular biology
Vascular biology
Biochemistry
Inflammation
Rankings
Ranking Based On Selection: 18
Sardar Hassan Arif
Metrics
 
H-Index
i10 Index
Citation Counts
11
15
382
Laparoscopic surgery
Gastrointestinal surgery
Hepatopancreatobiliary surgery Oncosurger
Rankings
Ranking Based On Selection: 19
Haval Y Yacoob
Metrics
 
H-Index
i10 Index
Citation Counts
11
12
376
Radiation Biophysics
Biomedical Engineering
Electrodermal Activity
Bioimpedanc
Rankings
Ranking Based On Selection: 20
Ihsan Tayeb|I Tayeb, IT Tayeb, Ihsan Tayeb
Metrics
 
H-Index
i10 Index
Citation Counts
11
13
367
Poultry management
poultry behavior
poultry physiolog
Rankings
Ranking Based On Selection: 21
Lokman H Hassan|LH Hassan, L Hassan, LHH Al-Sharafany
Metrics
 
H-Index
i10 Index
Citation Counts
11
14
671
Power system stability
Power system monitoring and control
Artificial Intelligent contro
Rankings
Ranking Based On Selection: 22
Yawooz Abdullah Kettanah
Metrics
 
H-Index
i10 Index
Citation Counts
11
14
381
Economic geology
mineralogy
geochemistry
petrology
petroleum geology
Rankings
Ranking Based On Selection: 23
Dhia J Al Timimi
Metrics
 
H-Index
i10 Index
Citation Counts
11
13
1,002
Rankings
Ranking Based On Selection: 24
Ik Zangana
Metrics
 
H-Index
i10 Index
Citation Counts
11
12
354
Rankings
Ranking Based On Selection: 25
Shawkat A. M'Sadeq|Shawkat A. M'Sadeq
Metrics
 
H-Index
i10 Index
Citation Counts
10
11
618
poultry production
poultry management
poultry Nutrition
Gut healt