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
Kit Wayne Chew
Bioprocessing
Biorefinery
Food processing
Microalgae technology
Sustainability
Metrics
H-Index
i10 Index
Citation
68
178
15,653
* Rankings
Ranking Based On Selection :2
Pei Wang
Eco-Environmental Health Risk Assessment
PFAS
Source and fate of pollutants
Metrics
H-Index
i10 Index
Citation
37
57
3,670
Jian Ma
Environmental science
analytical chemistry
marine chemistry
Metrics
H-Index
i10 Index
Citation
31
49
2,661
ranwen ou
water treatment
desalination
membrane separation technology
adsorption technology
Metrics
H-Index
i10 Index
Citation
25
30
2,788
Xiaolin Li 李骁麟)
Environmental Chemistry
Marine Organic Geochemistry
Mass Spectrometry
Metrics
H-Index
i10 Index
Citation
24
25
1,991
Miaolei Ya
Environmental Geochemistry
Environmental Pollution
Metrics
H-Index
i10 Index
Citation
18
23
898
Qinhua Fang
environmental systems analysis
marine spatial planning
environmental policy studies
Metrics
H-Index
i10 Index
Citation
16
21
757
* Rankings
Ranking Based On Selection :9
Chuck Chuan Ng|Chuck Chuan Ng, Ng Chuck Chuan
Environmental Pollution
Soil Remediation
Heavy Metal Accumulation
Phytoremediation
Environmental Sustainability
Metrics
H-Index
i10 Index
Citation
13
13
438
Zhen Zhang
Remote sensing
Climate change
Macroecology
mangrove
blue carbon
Metrics
H-Index
i10 Index
Citation
5
4
210
Rankings
Ranking Based On Selection: 1
Kit Wayne Chew
Metrics
H-Index
i10 Index
Citation Counts
68
178
15,653
Bioprocessing
Biorefinery
Food processing
Microalgae technology
Sustainability
Rankings
Ranking Based On Selection: 2
Pei Wang
Metrics
H-Index
i10 Index
Citation Counts
37
57
3,670
Eco-Environmental Health Risk Assessment
PFAS
Source and fate of pollutants
Rankings
Ranking Based On Selection: 3
Nengwang Chen
Metrics
H-Index
i10 Index
Citation Counts
33
75
3,079
Rankings
Ranking Based On Selection: 4
Jian Ma
Metrics
H-Index
i10 Index
Citation Counts
31
49
2,661
Rankings
Ranking Based On Selection: 5
ranwen ou
Metrics
H-Index
i10 Index
Citation Counts
25
30
2,788
water treatment
desalination
membrane separation technology
adsorption technology
Rankings
Ranking Based On Selection: 6
Xiaolin Li 李骁麟)
Metrics
H-Index
i10 Index
Citation Counts
24
25
1,991
Environmental Chemistry
Marine Organic Geochemistry
Mass Spectrometry
Rankings
Ranking Based On Selection: 7
Miaolei Ya
Metrics
H-Index
i10 Index
Citation Counts
18
23
898
Rankings
Ranking Based On Selection: 8
Qinhua Fang
Metrics
H-Index
i10 Index
Citation Counts
16
21
757
environmental systems analysis
marine spatial planning
environmental policy studies
Rankings
Ranking Based On Selection: 9
Chuck Chuan Ng|Chuck Chuan Ng, Ng Chuck Chuan
Metrics
H-Index
i10 Index
Citation Counts
13
13
438
Environmental Pollution
Soil Remediation
Heavy Metal Accumulation
Phytoremediation
Environmental Sustainability
Rankings
Ranking Based On Selection: 10
Zhen Zhang
Metrics
H-Index
i10 Index
Citation Counts
5
4
210
Remote sensing
Climate change
Macroecology
mangrove
blue carbon