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" (937,843 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
Constantine Stephanidis
Human Computer Interaction
Ambient Intelligence
Universal Access
HCAI
Digital Accessibility
Metrics
H-Index
i10 Index
Citation
48
217
10,768
* Rankings
Ranking Based On Selection: 3
Dimitris Plexousakis
Information Systems
Databases
Knowledge Based Systems
Knowledge Representation
Service-Oriented
Metrics
H-Index
i10 Index
Citation
45
124
8,815
* Rankings
Ranking Based On Selection: 4
Xenofontas Dimitropoulos
Internet measurements
Internet routing
Security
BGP
SDN
Metrics
H-Index
i10 Index
Citation
39
71
5,391
* Rankings
Ranking Based On Selection: 5
Martin Doerr
Information Systems
Information Integration
Ontology Engineering
Argumentation Systems
Epistemology
Metrics
H-Index
i10 Index
Citation
39
101
6,303
* Rankings
Ranking Based On Selection: 6
Haridimos Kondylakis
Big Data
Data Management & Integration
Semantic Web
Indexing
eHealth
Metrics
H-Index
i10 Index
Citation
36
87
4,073
* Rankings
Ranking Based On Selection: 9
Vangelis Sakkalis
Computational Neuroscience
Computational Modelling
Biomedical Engineering
Metrics
H-Index
i10 Index
Citation
32
69
4,844
* Rankings
Ranking Based On Selection: 10
Manolis GH Katevenis
Scalable Multiprocessor System Architecture
Interprocessor Communication
Interconnection Networks
Computer Architecture
VLSI
Metrics
H-Index
i10 Index
Citation
32
69
3,998

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Rankings
Ranking Based On Selection: 1
Constantine Stephanidis
Metrics
H-Index
i10 Index
Citation Counts
48
217
10,768
Human Computer Interaction
Ambient Intelligence
Universal Access
HCAI
Digital Accessibility
Rankings
Ranking Based On Selection: 2
Computer Vision
Robot Vision
Human Computer Interaction
Robotics
Rankings
Ranking Based On Selection: 3
Dimitris Plexousakis
Metrics
H-Index
i10 Index
Citation Counts
45
124
8,815
Information Systems
Databases
Knowledge Based Systems
Knowledge Representation
Service-Oriented
Rankings
Ranking Based On Selection: 4
Xenofontas Dimitropoulos
Metrics
H-Index
i10 Index
Citation Counts
39
71
5,391
Internet measurements
Internet routing
Security
BGP
SDN
Rankings
Ranking Based On Selection: 5
Martin Doerr
Metrics
H-Index
i10 Index
Citation Counts
39
101
6,303
Information Systems
Information Integration
Ontology Engineering
Argumentation Systems
Epistemology
Rankings
Ranking Based On Selection: 6
Haridimos Kondylakis
Metrics
H-Index
i10 Index
Citation Counts
36
87
4,073
Big Data
Data Management & Integration
Semantic Web
Indexing
eHealth
Rankings
Ranking Based On Selection: 7
Xenophon Zabulis
Metrics
H-Index
i10 Index
Citation Counts
35
103
5,422
Rankings
Ranking Based On Selection: 8
Manolis Lourakis
Metrics
H-Index
i10 Index
Citation Counts
34
61
7,814
Rankings
Ranking Based On Selection: 9
Vangelis Sakkalis
Metrics
H-Index
i10 Index
Citation Counts
32
69
4,844
Computational Neuroscience
Computational Modelling
Biomedical Engineering
Rankings
Ranking Based On Selection: 10
Manolis GH Katevenis
Metrics
H-Index
i10 Index
Citation Counts
32
69
3,998
Scalable Multiprocessor System Architecture
Interprocessor Communication
Interconnection Networks
Computer Architecture
VLSI

Maximize your institution's potential with our 360° Institutional Analysis Subscription and Institutional Exclusive Package, offering comprehensive insights and strategic advantages.

Rankings
Ranking Based On Selection: 11
Panagiotis Ioannidis
Metrics
H-Index
i10 Index
Citation Counts
29
40
16,964
Rankings
Ranking Based On Selection: 12
Pavlos Pavlidis
Metrics
H-Index
i10 Index
Citation Counts
28
49
6,932
Rankings
Ranking Based On Selection: 13
Iason Oikonomidis
Metrics
H-Index
i10 Index
Citation Counts
13
19
3,956
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