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" (910,673 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
Athanasios Thanos A Pallis|Thanos Pallis, Θάνος Πάλλης, Aθανάσιος Πάλλης
Port Economics
Port Policy and Management
Ports
Cruise
European Integration & maritime transport policies
Metrics
H-Index
i10 Index
Citation
43
101
6,893
* Rankings
Ranking Based On Selection: 2
Amalia Polydoropoulou
Transport
Travel Demand Forecasting
Happiness Research
MaaS
Business Models
Metrics
H-Index
i10 Index
Citation
32
54
4,523
* Rankings
Ranking Based On Selection: 3
Andreas Papatheodorou
air transport
tourism
regional development
competition policy
spatial risk management
Metrics
H-Index
i10 Index
Citation
30
58
6,326
* Rankings
Ranking Based On Selection: 4
T Iosifides
qualitative research
migration
social geography
Metrics
H-Index
i10 Index
Citation
27
35
2,452
* Rankings
Ranking Based On Selection: 5
Athena Roumboutsos
transport
petroleum
Public Private Partnerships
project management
stakeholders
Metrics
H-Index
i10 Index
Citation
23
38
2,433
* Rankings
Ranking Based On Selection: 8
Charalambos Tsardanidis
international relations
European studies
Mediterranean
regionalism
migration
Metrics
H-Index
i10 Index
Citation
13
20
1,048

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* Rankings
Ranking Based On Selection: 12
Georgios Chatzichristos
Social innovation
Regional/Rural Development
Regional/Rural Planning
Social Economy
Social
Metrics
H-Index
i10 Index
Citation
8
8
263
Rankings
Ranking Based On Selection: 1
Port Economics
Port Policy and Management
Ports
Cruise
European Integration & maritime transport policies
Rankings
Ranking Based On Selection: 2
Amalia Polydoropoulou
Metrics
H-Index
i10 Index
Citation Counts
32
54
4,523
Transport
Travel Demand Forecasting
Happiness Research
MaaS
Business Models
Rankings
Ranking Based On Selection: 3
Andreas Papatheodorou
Metrics
H-Index
i10 Index
Citation Counts
30
58
6,326
air transport
tourism
regional development
competition policy
spatial risk management
Rankings
Ranking Based On Selection: 4
T Iosifides
Metrics
H-Index
i10 Index
Citation Counts
27
35
2,452
qualitative research
migration
social geography
Rankings
Ranking Based On Selection: 5
Athena Roumboutsos
Metrics
H-Index
i10 Index
Citation Counts
23
38
2,433
transport
petroleum
Public Private Partnerships
project management
stakeholders
Rankings
Ranking Based On Selection: 6
George Vaggelas
Metrics
H-Index
i10 Index
Citation Counts
16
21
901
Rankings
Ranking Based On Selection: 7
J Karkazis
Metrics
H-Index
i10 Index
Citation Counts
16
24
955
Rankings
Ranking Based On Selection: 8
Charalambos Tsardanidis
Metrics
H-Index
i10 Index
Citation Counts
13
20
1,048
international relations
European studies
Mediterranean
regionalism
migration
Rankings
Ranking Based On Selection: 9
shipping
transport and environment
sustainability
air quality
citizen science
Rankings
Ranking Based On Selection: 10
Konstantinos Panou
Metrics
H-Index
i10 Index
Citation Counts
10
10
521

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Rankings
Ranking Based On Selection: 11
Seraphim Kapros
Metrics
H-Index
i10 Index
Citation Counts
9
9
1,068
Rankings
Ranking Based On Selection: 12
Georgios Chatzichristos
Metrics
H-Index
i10 Index
Citation Counts
8
8
263
Social innovation
Regional/Rural Development
Regional/Rural Planning
Social Economy
Social
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