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" (931,956 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
Saisamorn Lumyong
Mycology
Microbial Diversity
Microbial Ecology
Metrics
H-Index
i10 Index
Citation
75
376
23,370
* Rankings
Ranking Based On Selection: 2
Alan D. Ziegler
thaihawk@gmail.com
water resources
Global Environmental Change
One Water One Health Ecology
Metrics
H-Index
i10 Index
Citation
70
175
15,565
* Rankings
Ranking Based On Selection: 5
Milan C Samarakoon|Samarakoon SAMC
Fungal taxonomy
phylogeny
plant virus
plant disease management
Metrics
H-Index
i10 Index
Citation
31
54
6,309
* Rankings
Ranking Based On Selection: 6
Chartchai Khanongnuch
Microbial Resources and Development
Applied Biological Chemistry
Metrics
H-Index
i10 Index
Citation
31
68
2,599
* Rankings
Ranking Based On Selection: 8
sirasit srinuanpan
Algae Biotechnology
Bioprocess Engineering
Applied Microbiology
Biorefinery
Waste Utilization
Metrics
H-Index
i10 Index
Citation
21
30
1,096
* Rankings
Ranking Based On Selection: 10
Shengnan Zhang
Fungal taxonomy
Phylogenetics
Molecular evolution
Plant pathogens
Metrics
H-Index
i10 Index
Citation
20
29
2,691

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* Rankings
Ranking Based On Selection: 11
Tanawat Chaowasku
Annonaceae systematics incl. phylogenetics
pollen morphology
taxonomy
pollination biology
phytochemistry
Metrics
H-Index
i10 Index
Citation
18
33
920
Hanna Nur Afifah Yogar
Political Ecology
Development Studies
Environmental Humanities
Human-Animal Studies
Metrics
H-Index
i10 Index
Citation
2
0
12
Khuanphirom Naruangsri
Seed banking
Biodiversity and Ecological Restoration
Metrics
H-Index
i10 Index
Citation
2
0
9
Rankings
Ranking Based On Selection: 1
Saisamorn Lumyong
Metrics
H-Index
i10 Index
Citation Counts
75
376
23,370
Mycology
Microbial Diversity
Microbial Ecology
Rankings
Ranking Based On Selection: 2
Alan D. Ziegler
Metrics
H-Index
i10 Index
Citation Counts
70
175
15,565
thaihawk@gmail.com
water resources
Global Environmental Change
One Water One Health Ecology
Rankings
Ranking Based On Selection: 3
Panuwan Chantawannakul
Metrics
H-Index
i10 Index
Citation Counts
40
105
5,891
Rankings
Ranking Based On Selection: 4
Ratchadawan Cheewangkoon
Metrics
H-Index
i10 Index
Citation Counts
35
78
6,402
Rankings
Ranking Based On Selection: 5
Milan C Samarakoon|Samarakoon SAMC
Metrics
H-Index
i10 Index
Citation Counts
31
54
6,309
Fungal taxonomy
phylogeny
plant virus
plant disease management
Rankings
Ranking Based On Selection: 6
Chartchai Khanongnuch
Metrics
H-Index
i10 Index
Citation Counts
31
68
2,599
Microbial Resources and Development
Applied Biological Chemistry
Rankings
Ranking Based On Selection: 7
Thanongsak Chaiyaso
Metrics
H-Index
i10 Index
Citation Counts
29
67
2,282
Rankings
Ranking Based On Selection: 8
sirasit srinuanpan
Metrics
H-Index
i10 Index
Citation Counts
21
30
1,096
Algae Biotechnology
Bioprocess Engineering
Applied Microbiology
Biorefinery
Waste Utilization
Rankings
Ranking Based On Selection: 9
Chayakorn Pumas
Metrics
H-Index
i10 Index
Citation Counts
20
37
1,210
Rankings
Ranking Based On Selection: 10
Shengnan Zhang
Metrics
H-Index
i10 Index
Citation Counts
20
29
2,691
Fungal taxonomy
Phylogenetics
Molecular evolution
Plant pathogens

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
Tanawat Chaowasku
Metrics
H-Index
i10 Index
Citation Counts
18
33
920
Annonaceae systematics incl. phylogenetics
pollen morphology
taxonomy
pollination biology
phytochemistry
Rankings
Ranking Based On Selection: 12
Yaowaluk Chanbang
Metrics
H-Index
i10 Index
Citation Counts
15
15
890
Rankings
Ranking Based On Selection: 13
U Chanasut
Metrics
H-Index
i10 Index
Citation Counts
9
9
637
Rankings
Ranking Based On Selection: 14
Tatporn Kunpradid
Metrics
H-Index
i10 Index
Citation Counts
7
7
171
Rankings
Ranking Based On Selection: 15
Sitthisak Intarasit
Metrics
H-Index
i10 Index
Citation Counts
4
1
42
Rankings
Ranking Based On Selection: 16
Pattarapol Khamsaw
Metrics
H-Index
i10 Index
Citation Counts
4
1
37
Rankings
Ranking Based On Selection: 17
Wittaya Pheera
Metrics
H-Index
i10 Index
Citation Counts
4
1
29
Rankings
Ranking Based On Selection: 18
Rungnapa Tagun
Metrics
H-Index
i10 Index
Citation Counts
3
1
30
Macroinvertebrate
Biodiversity
Ecotoxicology
Rankings
Ranking Based On Selection: 19
Yuan S Liu
Metrics
H-Index
i10 Index
Citation Counts
2
1
19
Rankings
Ranking Based On Selection: 20
Hanna Nur Afifah Yogar
Metrics
H-Index
i10 Index
Citation Counts
2
0
12
Political Ecology
Development Studies
Environmental Humanities
Human-Animal Studies
Rankings
Ranking Based On Selection: 21
Khuanphirom Naruangsri
Metrics
H-Index
i10 Index
Citation Counts
2
0
9
Seed banking
Biodiversity and Ecological Restoration
Rankings
Ranking Based On Selection: 22
Chanwut Saengpho
Metrics
H-Index
i10 Index
Citation Counts
2
0
8
Rankings
Ranking Based On Selection: 23
Nattida Supahan
Metrics
H-Index
i10 Index
Citation Counts
1
0
5
Animal Behaviour
Mammalogy
Sociobiology
Ornithology
Rankings
Ranking Based On Selection: 24
Haris Setiawan
Metrics
H-Index
i10 Index
Citation Counts
1
0
3
Rankings
Ranking Based On Selection: 25
Phitsanuphakhin Chaimongkhon
Metrics
H-Index
i10 Index
Citation Counts
1
0
2
Rankings
Ranking Based On Selection: 26
Thita Soonthornvipat
Metrics
H-Index
i10 Index
Citation Counts
1
0
1
Plant physiology
Ecology
Post-harvest Technology
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