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" (873,864 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
Konstantinos Diamantaras
Machine Learning
Data Analysis
Signal Processing
Parallel Processing
Image and Video Processing
Metrics
H-Index
i10 Index
Citation
30
78
6,555
* Rankings
Ranking Based On Selection :2
Thomas Lagkas
IoT
5G
wireless communication networks
resource allocation
QoS - energy efficiency
Metrics
H-Index
i10 Index
Citation
28
62
3,813
* Rankings
Ranking Based On Selection :3
Theodore Pachidis
Software Engineering
Robotics
Electronics
Vision Systems
Image Processing
Metrics
H-Index
i10 Index
Citation
20
27
1,301
* Rankings
Ranking Based On Selection :4
Nikolaos Mittas
Empirical Software Engineering
Statistics
Predictive Analytics
Metrics
H-Index
i10 Index
Citation
19
34
1,527
* Rankings
Ranking Based On Selection :6
Stavros Vologiannidis
Control Theory
Numerical Linear Algebra
Robotics
Machine Learning
Metrics
H-Index
i10 Index
Citation
13
15
665
* Rankings
Ranking Based On Selection :7
Vassilios Chatzis
Image and Signal Processing
Information Systems
Artificial Intelligence
Business Intelligence
Metrics
H-Index
i10 Index
Citation
13
16
2,183
* Rankings
Ranking Based On Selection :8
Tsimpiris Alkiviadis
Data mining methods
time series analysis
database systems
Network Physiology
deep learning
Metrics
H-Index
i10 Index
Citation
11
12
440
* Rankings
Ranking Based On Selection :9
Dimitris Karampatzakis
Edge Computing
Physical Internet
Internet of Things
Inclusive Educational Robotics
Metrics
H-Index
i10 Index
Citation
11
11
773
* Rankings
Ranking Based On Selection :10
Theofanis Kalampokas
Machine Learning
Deep Learning
Computer Vision
Signal Processing
Metrics
H-Index
i10 Index
Citation
8
7
453
Gerasimos G Samatas
Computer Science
Artificial Inteligence
Machine Learning
Computer Vision
Metrics
H-Index
i10 Index
Citation
4
3
100
Nikolaos-Ioannis Galanis
Machine Learning
Programming Languages
Artificial Intelligence
Web Development
Metrics
H-Index
i10 Index
Citation
3
1
30
Rankings
Ranking Based On Selection: 1
Konstantinos Diamantaras
Metrics
H-Index
i10 Index
Citation Counts
30
78
6,555
Machine Learning
Data Analysis
Signal Processing
Parallel Processing
Image and Video Processing
Rankings
Ranking Based On Selection: 2
Thomas Lagkas
Metrics
H-Index
i10 Index
Citation Counts
28
62
3,813
IoT
5G
wireless communication networks
resource allocation
QoS - energy efficiency
Rankings
Ranking Based On Selection: 3
Theodore Pachidis
Metrics
H-Index
i10 Index
Citation Counts
20
27
1,301
Software Engineering
Robotics
Electronics
Vision Systems
Image Processing
Rankings
Ranking Based On Selection: 4
Nikolaos Mittas
Metrics
H-Index
i10 Index
Citation Counts
19
34
1,527
Empirical Software Engineering
Statistics
Predictive Analytics
Rankings
Ranking Based On Selection: 5
Konstantinos Rantos
Metrics
H-Index
i10 Index
Citation Counts
17
32
1,272
Rankings
Ranking Based On Selection: 6
Stavros Vologiannidis
Metrics
H-Index
i10 Index
Citation Counts
13
15
665
Control Theory
Numerical Linear Algebra
Robotics
Machine Learning
Rankings
Ranking Based On Selection: 7
Vassilios Chatzis
Metrics
H-Index
i10 Index
Citation Counts
13
16
2,183
Image and Signal Processing
Information Systems
Artificial Intelligence
Business Intelligence
Rankings
Ranking Based On Selection: 8
Tsimpiris Alkiviadis
Metrics
H-Index
i10 Index
Citation Counts
11
12
440
Data mining methods
time series analysis
database systems
Network Physiology
deep learning
Rankings
Ranking Based On Selection: 9
Dimitris Karampatzakis
Metrics
H-Index
i10 Index
Citation Counts
11
11
773
Edge Computing
Physical Internet
Internet of Things
Inclusive Educational Robotics
Rankings
Ranking Based On Selection: 10
Theofanis Kalampokas
Metrics
H-Index
i10 Index
Citation Counts
8
7
453
Machine Learning
Deep Learning
Computer Vision
Signal Processing
Rankings
Ranking Based On Selection: 11
Charalampos Strouthopoulos
Metrics
H-Index
i10 Index
Citation Counts
7
6
428
Rankings
Ranking Based On Selection: 12
Dimitrios Varsamis
Metrics
H-Index
i10 Index
Citation Counts
6
2
160
Computer Science
Numerical Algorithms
Applied Mathematics
Rankings
Ranking Based On Selection: 13
Petros Amanatidis
Metrics
H-Index
i10 Index
Citation Counts
5
2
108
Edge Computing
Internet of Things
Task Allocation
Edge AI
Rankings
Ranking Based On Selection: 14
Gerasimos G Samatas
Metrics
H-Index
i10 Index
Citation Counts
4
3
100
Computer Science
Artificial Inteligence
Machine Learning
Computer Vision
Rankings
Ranking Based On Selection: 15
Georgios Gravanis
Metrics
H-Index
i10 Index
Citation Counts
4
2
271
Rankings
Ranking Based On Selection: 16
Viktoria N Tsakalidou
Metrics
H-Index
i10 Index
Citation Counts
4
2
83
Rankings
Ranking Based On Selection: 17
Alkiviadis Katsalis
Metrics
H-Index
i10 Index
Citation Counts
4
1
40
Rankings
Ranking Based On Selection: 18
Nikolaos-Ioannis Galanis
Metrics
H-Index
i10 Index
Citation Counts
3
1
30
Machine Learning
Programming Languages
Artificial Intelligence
Web Development
Rankings
Ranking Based On Selection: 19
George Avramidis
Metrics
H-Index
i10 Index
Citation Counts
2
1
22
Machine Learning
Deep Learning
Computer Vision
IoT
Rankings
Ranking Based On Selection: 20
Pavlina Mitsou
Metrics
H-Index
i10 Index
Citation Counts
2
0
10
Rankings
Ranking Based On Selection: 21
Georgios Symeonidis
Metrics
H-Index
i10 Index
Citation Counts
1
1
141