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" (870,057 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: 2
Eve Veromann
Entomology
biological control
integrated pest management
ecosystem services
parasitoids
Metrics
H-Index
i10 Index
Citation
27
51
2,594
* Rankings
Ranking Based On Selection: 3
Timo Kikas
biotechnology
biofuels and biochemicals
torrefaction
process integration
biorefinery
Metrics
H-Index
i10 Index
Citation
27
55
2,519
* Rankings
Ranking Based On Selection: 4
Kalev Sepp
Landscape Ecology
Conservation Biology
Environmental Management
Metrics
H-Index
i10 Index
Citation
26
65
2,395
* Rankings
Ranking Based On Selection: 6
Olavi Kurina
Entomology
taxonomy of Diptera
Sciaroidea
Zoology
Biology
Metrics
H-Index
i10 Index
Citation
22
52
2,127
* Rankings
Ranking Based On Selection: 10
Toomas KÞµiv
limnology
hydrochemistry
aquatic ecology
biostatistics
lakes
Metrics
H-Index
i10 Index
Citation
16
22
853

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* Rankings
Ranking Based On Selection: 11
Indrek Melts
Biodiversity conservation
Agroecology
Socio-ecological systems
Sustainability
Metrics
H-Index
i10 Index
Citation
15
15
640
* Rankings
Ranking Based On Selection: 14
Hannes Pehlak
Conservation Biology
Habitat Restoration
Ornithology
Waders
Wetlands
Metrics
H-Index
i10 Index
Citation
11
12
490
* Rankings
Ranking Based On Selection: 18
Siim Kahar
Biology
Genetics
Conservation Biology and Ecology
Metrics
H-Index
i10 Index
Citation
8
8
146
* Rankings
Ranking Based On Selection: 19
Anna Wilczyńska
sustainable landscape design
urban planning
urban ecology and sociology
Metrics
H-Index
i10 Index
Citation
4
3
58
* Rankings
Ranking Based On Selection: 21
Kadri Kask
biodiversity
insects ecology
conservation biology
Metrics
H-Index
i10 Index
Citation
3
3
100
Rankings
Ranking Based On Selection: 1
Külli Kangur
Metrics
H-Index
i10 Index
Citation Counts
31
69
6,017
Rankings
Ranking Based On Selection: 2
Eve Veromann
Metrics
H-Index
i10 Index
Citation Counts
27
51
2,594
Entomology
biological control
integrated pest management
ecosystem services
parasitoids
Rankings
Ranking Based On Selection: 3
Timo Kikas
Metrics
H-Index
i10 Index
Citation Counts
27
55
2,519
biotechnology
biofuels and biochemicals
torrefaction
process integration
biorefinery
Rankings
Ranking Based On Selection: 4
Kalev Sepp
Metrics
H-Index
i10 Index
Citation Counts
26
65
2,395
Landscape Ecology
Conservation Biology
Environmental Management
Rankings
Ranking Based On Selection: 5
Ülo Väli
Metrics
H-Index
i10 Index
Citation Counts
23
54
2,007
Rankings
Ranking Based On Selection: 6
Olavi Kurina
Metrics
H-Index
i10 Index
Citation Counts
22
52
2,127
Entomology
taxonomy of Diptera
Sciaroidea
Zoology
Biology
Rankings
Ranking Based On Selection: 7
Helen Agasild
Metrics
H-Index
i10 Index
Citation Counts
21
29
1,636
Rankings
Ranking Based On Selection: 8
Fabien Cremona
Metrics
H-Index
i10 Index
Citation Counts
21
29
1,404
Rankings
Ranking Based On Selection: 9
Mart Külvik
Metrics
H-Index
i10 Index
Citation Counts
19
37
3,402
Rankings
Ranking Based On Selection: 10
Toomas KÞµiv
Metrics
H-Index
i10 Index
Citation Counts
16
22
853
limnology
hydrochemistry
aquatic ecology
biostatistics
lakes

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

Rankings
Ranking Based On Selection: 11
Indrek Melts
Metrics
H-Index
i10 Index
Citation Counts
15
15
640
Biodiversity conservation
Agroecology
Socio-ecological systems
Sustainability
Rankings
Ranking Based On Selection: 12
Norbertas Noreika
Metrics
H-Index
i10 Index
Citation Counts
14
14
1,002
Rankings
Ranking Based On Selection: 13
Vivika Väli
Metrics
H-Index
i10 Index
Citation Counts
12
13
966
Rankings
Ranking Based On Selection: 14
Hannes Pehlak
Metrics
H-Index
i10 Index
Citation Counts
11
12
490
Conservation Biology
Habitat Restoration
Ornithology
Waders
Wetlands
Rankings
Ranking Based On Selection: 15
Thaisa Fernandes Bergamo
Metrics
H-Index
i10 Index
Citation Counts
9
9
379
Ecology
wetlands
landscape ecology
ecosystem services
Rankings
Ranking Based On Selection: 16
Eve Kaurilind
Metrics
H-Index
i10 Index
Citation Counts
9
9
439
Rankings
Ranking Based On Selection: 17
Ivar Ojaste
Metrics
H-Index
i10 Index
Citation Counts
9
9
241
Rankings
Ranking Based On Selection: 18
Siim Kahar
Metrics
H-Index
i10 Index
Citation Counts
8
8
146
Biology
Genetics
Conservation Biology and Ecology
Rankings
Ranking Based On Selection: 19
Anna Wilczyńska
Metrics
H-Index
i10 Index
Citation Counts
4
3
58
sustainable landscape design
urban planning
urban ecology and sociology
Rankings
Ranking Based On Selection: 21
Kadri Kask
Metrics
H-Index
i10 Index
Citation Counts
3
3
100
biodiversity
insects ecology
conservation biology
Rankings
Ranking Based On Selection: 22
Kristiina Palm-Hellenurm
Metrics
H-Index
i10 Index
Citation Counts
3
1
23
Rankings
Ranking Based On Selection: 23
José Ángel Morales-Sánchez
Metrics
H-Index
i10 Index
Citation Counts
3
1
21