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 ranking in world, region, country and university is beta version since subject field "others" (936,901 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 1
Barhm Abdullah Mohamad
Mechanical Engineering
Powertrain Engineering
Drivetrain Engineering
NVH
Metrics
H-Index
i10 Index
Citation
12
22
466
Ahmed Mohammed Adham
Mechanical Engineering
Microchannel
Heat transfer
Refrigeration
Multi-objective optimization
Metrics
H-Index
i10 Index
Citation
8
8
699
Younis Khalid Khdir
Composites
Porous Materials
Homogenization
Finite Element
Metrics
H-Index
i10 Index
Citation
6
5
279
Ranj Sirwan Abdullah
Solar Energy
Cooling and heating design
energy management
mechanical engineering
energy conversion
Metrics
H-Index
i10 Index
Citation
5
4
206
Dlair O Ramadan
Tribology
Ultrasonic Reflection
Metal Cutting
Orthogonal Cutting
Cutting Forces
Metrics
H-Index
i10 Index
Citation
3
1
80
Mohammed Abdulqader Sulaiman
Mechanical Engineering
Thermal Power
Thermal-Fluid
HVACR
Renewable Energies
Metrics
H-Index
i10 Index
Citation
3
0
20

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Gailan Ismail Hassan
Mechanical engineering
Production Engineering
Manufacturing Process
Metal Cutting
Metrics
H-Index
i10 Index
Citation
2
0
13
Rankings
Ranking Based On Selection: 1
Barhm Abdullah Mohamad
Metrics
H-Index
i10 Index
Citation Counts
12
22
466
Mechanical Engineering
Powertrain Engineering
Drivetrain Engineering
NVH
Rankings
Ranking Based On Selection: 2
Ahmed Mohammed Adham
Metrics
H-Index
i10 Index
Citation Counts
8
8
699
Mechanical Engineering
Microchannel
Heat transfer
Refrigeration
Multi-objective optimization
Rankings
Ranking Based On Selection: 3
Younis Khalid Khdir
Metrics
H-Index
i10 Index
Citation Counts
6
5
279
Composites
Porous Materials
Homogenization
Finite Element
Rankings
Ranking Based On Selection: 4
Ranj Sirwan Abdullah
Metrics
H-Index
i10 Index
Citation Counts
5
4
206
Solar Energy
Cooling and heating design
energy management
mechanical engineering
energy conversion
Rankings
Ranking Based On Selection: 5
Ramadhan Gardi
Metrics
H-Index
i10 Index
Citation Counts
4
2
85
Rankings
Ranking Based On Selection: 6
Dlair O Ramadan
Metrics
H-Index
i10 Index
Citation Counts
3
1
80
Tribology
Ultrasonic Reflection
Metal Cutting
Orthogonal Cutting
Cutting Forces
Rankings
Ranking Based On Selection: 7
Pshtiwan M Sharif
Metrics
H-Index
i10 Index
Citation Counts
3
1
66
Rankings
Ranking Based On Selection: 8
Lizan Mahmood Khorsheed
Metrics
H-Index
i10 Index
Citation Counts
3
1
37
Rankings
Ranking Based On Selection: 9
Ava Ali Kamal Mohammed
Metrics
H-Index
i10 Index
Citation Counts
3
1
32
Rankings
Ranking Based On Selection: 10
Mohammed Abdulqader Sulaiman
Metrics
H-Index
i10 Index
Citation Counts
3
0
20
Mechanical Engineering
Thermal Power
Thermal-Fluid
HVACR
Renewable Energies

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Rankings
Ranking Based On Selection: 11
Gailan Ismail Hassan
Metrics
H-Index
i10 Index
Citation Counts
2
0
13
Mechanical engineering
Production Engineering
Manufacturing Process
Metal Cutting
Rankings
Ranking Based On Selection: 12
Abdulrahman Bahaddin Shakir
Metrics
H-Index
i10 Index
Citation Counts
2
0
10
Rankings
Ranking Based On Selection: 13
Salim Azeez Kako
Metrics
H-Index
i10 Index
Citation Counts
1
0
5
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