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" (873,688 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
Soteris Kalogirou
Solar Energy
Renewable Energy Systems
Solar Cooling
Desalination
Neural Networks
Metrics
H-Index
i10 Index
Citation
98
248
47,840
* Rankings
Ranking Based On Selection: 2
George E Georghiou
Photovoltaics
Grid Integration
Smart Grids
Plasma
Electromagnetics
Metrics
H-Index
i10 Index
Citation
50
155
9,038
* Rankings
Ranking Based On Selection: 3
George Makrides
grid integration
smart grids
renewable energy sources
photovoltaics
data analytics
Metrics
H-Index
i10 Index
Citation
31
69
3,783
* Rankings
Ranking Based On Selection: 4
Lenos Hadjidemetriou
renewable energy systems
energy storage systems
control of power electronics
smart grids
micro-grids
Metrics
H-Index
i10 Index
Citation
23
48
2,051
* Rankings
Ranking Based On Selection: 6
Rafaela Agathokleous
Renewable Energy
Solar Energy
Photovoltaics
Solar Collectors
Metrics
H-Index
i10 Index
Citation
17
18
1,626
* Rankings
Ranking Based On Selection: 7
Alexander Phinikarides
photovoltaics
degradation
feature extraction
time series analysis
Metrics
H-Index
i10 Index
Citation
12
16
931
Nikolas Flourentzou
Maritime Digital Transformation
Offshore Renewable Energy
HVDC power transmission systems
voltage-source converter topologies
Metrics
H-Index
i10 Index
Citation
7
6
3,358
Rankings
Ranking Based On Selection: 1
Soteris Kalogirou
Metrics
H-Index
i10 Index
Citation Counts
98
248
47,840
Solar Energy
Renewable Energy Systems
Solar Cooling
Desalination
Neural Networks
Rankings
Ranking Based On Selection: 2
George E Georghiou
Metrics
H-Index
i10 Index
Citation Counts
50
155
9,038
Photovoltaics
Grid Integration
Smart Grids
Plasma
Electromagnetics
Rankings
Ranking Based On Selection: 3
George Makrides
Metrics
H-Index
i10 Index
Citation Counts
31
69
3,783
grid integration
smart grids
renewable energy sources
photovoltaics
data analytics
Rankings
Ranking Based On Selection: 4
Lenos Hadjidemetriou
Metrics
H-Index
i10 Index
Citation Counts
23
48
2,051
renewable energy systems
energy storage systems
control of power electronics
smart grids
micro-grids
Rankings
Ranking Based On Selection: 5
Alexandros George Charalambides
Metrics
H-Index
i10 Index
Citation Counts
18
22
1,076
Solar Energy
Climate Innovation
Energy Efficiency
Rankings
Ranking Based On Selection: 6
Rafaela Agathokleous
Metrics
H-Index
i10 Index
Citation Counts
17
18
1,626
Renewable Energy
Solar Energy
Photovoltaics
Solar Collectors
Rankings
Ranking Based On Selection: 7
Alexander Phinikarides
Metrics
H-Index
i10 Index
Citation Counts
12
16
931
photovoltaics
degradation
feature extraction
time series analysis
Rankings
Ranking Based On Selection: 8
Nikolas Flourentzou
Metrics
H-Index
i10 Index
Citation Counts
7
6
3,358
Maritime Digital Transformation
Offshore Renewable Energy
HVDC power transmission systems
voltage-source converter topologies