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 :4
Phong Thai
Environmental monitoring
Environmental chemistry
Environmental sciences
Metrics
H-Index
i10 Index
Citation
54
164
11,393
* Rankings
Ranking Based On Selection :5
Md Anawar Hossain
Wastewater Treatment
Water Treatment
Waste Management
Water quality
Agriculture
Metrics
H-Index
i10 Index
Citation
50
236
11,710
SM Ashrafur Rahman
Water Quality
Air Quality
Emissions
Fuels & Additives
Stack Emissions
Metrics
H-Index
i10 Index
Citation
39
72
6,405
Puneet Verma
Air Quality
Soot Particles
Sustainable Transportation
Environmental Science
Metrics
H-Index
i10 Index
Citation
31
53
3,378
Les Dawes
Water resource management
Soil degradation
Engineering education
Metrics
H-Index
i10 Index
Citation
30
78
4,128
* Rankings
Ranking Based On Selection :10
Fiona Harden
environmental and occupational surveillance
radiotherapy
medical imaging
Metrics
H-Index
i10 Index
Citation
29
51
3,527
* Rankings
Ranking Based On Selection :11
Darren Wraith
air pollution
environmental health
latent variable modelling
structural equation modelling
bayesian statistics
Metrics
H-Index
i10 Index
Citation
26
46
2,129
* Rankings
Ranking Based On Selection :12
Mei Li
Waste Management
Building Retrofit
SMEs
Construction Project Management
Sustainability
Metrics
H-Index
i10 Index
Citation
26
53
2,153
* Rankings
Ranking Based On Selection :16
Massimiliano De Antoni Migliorati
soil science
digital soil mapping
land suitability assessment
crop modelling
climate-smart agriculture
Metrics
H-Index
i10 Index
Citation
19
25
1,132
* Rankings
Ranking Based On Selection :18
Anne Pisarski
Shiftwork
work life conflict
sustainability
climate change
behaviour change
Metrics
H-Index
i10 Index
Citation
16
16
1,837
* Rankings
Ranking Based On Selection :19
Mahmudur Rahman
statistical modelling
data analysis
air pollution
particulate matter
environmental modeling
Metrics
H-Index
i10 Index
Citation
12
13
1,280
Rankings
Ranking Based On Selection: 1
Lidia Morawska
Metrics
H-Index
i10 Index
Citation Counts
133
497
238,343
Rankings
Ranking Based On Selection: 2
Kerrie A Wilson
Metrics
H-Index
i10 Index
Citation Counts
85
177
27,523
Rankings
Ranking Based On Selection: 3
Ashantha Goonetilleke
Metrics
H-Index
i10 Index
Citation Counts
68
230
16,906
Rankings
Ranking Based On Selection: 4
Phong Thai
Metrics
H-Index
i10 Index
Citation Counts
54
164
11,393
Environmental monitoring
Environmental chemistry
Environmental sciences
Rankings
Ranking Based On Selection: 5
Md Anawar Hossain
Metrics
H-Index
i10 Index
Citation Counts
50
236
11,710
Wastewater Treatment
Water Treatment
Waste Management
Water quality
Agriculture
Rankings
Ranking Based On Selection: 7
SM Ashrafur Rahman
Metrics
H-Index
i10 Index
Citation Counts
39
72
6,405
Water Quality
Air Quality
Emissions
Fuels & Additives
Stack Emissions
Rankings
Ranking Based On Selection: 8
Puneet Verma
Metrics
H-Index
i10 Index
Citation Counts
31
53
3,378
Air Quality
Soot Particles
Sustainable Transportation
Environmental Science
Rankings
Ranking Based On Selection: 9
Les Dawes
Metrics
H-Index
i10 Index
Citation Counts
30
78
4,128
Water resource management
Soil degradation
Engineering education
Rankings
Ranking Based On Selection: 10
Fiona Harden
Metrics
H-Index
i10 Index
Citation Counts
29
51
3,527
environmental and occupational surveillance
radiotherapy
medical imaging
Rankings
Ranking Based On Selection: 11
Darren Wraith
Metrics
H-Index
i10 Index
Citation Counts
26
46
2,129
air pollution
environmental health
latent variable modelling
structural equation modelling
bayesian statistics
Rankings
Ranking Based On Selection: 12
Mei Li
Metrics
H-Index
i10 Index
Citation Counts
26
53
2,153
Waste Management
Building Retrofit
SMEs
Construction Project Management
Sustainability
Rankings
Ranking Based On Selection: 13
Buddhi Wijesiri
Metrics
H-Index
i10 Index
Citation Counts
23
34
1,678
Rankings
Ranking Based On Selection: 14
Yilin Gui
Metrics
H-Index
i10 Index
Citation Counts
22
32
1,666
Rankings
Ranking Based On Selection: 15
Karen Vella
Metrics
H-Index
i10 Index
Citation Counts
21
32
1,535
Rankings
Ranking Based On Selection: 16
Massimiliano De Antoni Migliorati
Metrics
H-Index
i10 Index
Citation Counts
19
25
1,132
soil science
digital soil mapping
land suitability assessment
crop modelling
climate-smart agriculture
Rankings
Ranking Based On Selection: 17
Sadegh Niazi
Metrics
H-Index
i10 Index
Citation Counts
18
23
1,524
Rankings
Ranking Based On Selection: 18
Anne Pisarski
Metrics
H-Index
i10 Index
Citation Counts
16
16
1,837
Shiftwork
work life conflict
sustainability
climate change
behaviour change
Rankings
Ranking Based On Selection: 19
Mahmudur Rahman
Metrics
H-Index
i10 Index
Citation Counts
12
13
1,280
statistical modelling
data analysis
air pollution
particulate matter
environmental modeling
Rankings
Ranking Based On Selection: 20
Savinda Heshani
Metrics
H-Index
i10 Index
Citation Counts
3
2
31
Environmental Engineering
Environmental Pollution
Air Pollution
Rankings
Ranking Based On Selection: 22
Mihiri Indunil Gunasekara
Metrics
H-Index
i10 Index
Citation Counts
1
1
11