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 :2
Ernest Yanful
acid rock drainage
mine tailings
water treatment
emerging contaminants
Metrics
H-Index
i10 Index
Citation
51
126
9,441
Jason Gerhard
Contaminant Hydrogeology
Organic Pollutants
Remediation of Industrial Contaminants
Environmentally-beneficial Smouldering
Metrics
H-Index
i10 Index
Citation
37
77
4,280
Clare Robinson
Groundwater-coastal water interactions
Water quality
Environmental modeling
Metrics
H-Index
i10 Index
Citation
34
59
4,275
Hisham Hafez
Environmental Science and Engineering
Bioenergy
Industrial Wastewater Management
Anaerobic Digest
Metrics
H-Index
i10 Index
Citation
33
54
3,681
Ayan Sadhu
Structural Health Monitoring
Infrastructure Management
Artificial Intelligence
Smart Infrastructure
Smart City
Metrics
H-Index
i10 Index
Citation
32
61
3,492
Maged A Youssef
Earthquake Engineering
Structural Fire Engineering
Prefabrication
Modular Construction
Structural Engineering
Metrics
H-Index
i10 Index
Citation
30
61
4,187
Rankings
Ranking Based On Selection: 1
Slobodan P Simonovic
Metrics
H-Index
i10 Index
Citation Counts
68
257
17,331
Rankings
Ranking Based On Selection: 2
Ernest Yanful
Metrics
H-Index
i10 Index
Citation Counts
51
126
9,441
acid rock drainage
mine tailings
water treatment
emerging contaminants
Rankings
Ranking Based On Selection: 3
HP Hong
Metrics
H-Index
i10 Index
Citation Counts
46
154
7,695
Rankings
Ranking Based On Selection: 4
Ashraf El Damatty
Metrics
H-Index
i10 Index
Citation Counts
38
105
5,146
Rankings
Ranking Based On Selection: 5
Jason Gerhard
Metrics
H-Index
i10 Index
Citation Counts
37
77
4,280
Contaminant Hydrogeology
Organic Pollutants
Remediation of Industrial Contaminants
Environmentally-beneficial Smouldering
Rankings
Ranking Based On Selection: 6
Clare Robinson
Metrics
H-Index
i10 Index
Citation Counts
34
59
4,275
Groundwater-coastal water interactions
Water quality
Environmental modeling
Rankings
Ranking Based On Selection: 7
Hisham Hafez
Metrics
H-Index
i10 Index
Citation Counts
33
54
3,681
Environmental Science and Engineering
Bioenergy
Industrial Wastewater Management
Anaerobic Digest
Rankings
Ranking Based On Selection: 8
Ayan Sadhu
Metrics
H-Index
i10 Index
Citation Counts
32
61
3,492
Structural Health Monitoring
Infrastructure Management
Artificial Intelligence
Smart Infrastructure
Smart City
Rankings
Ranking Based On Selection: 9
Maged A Youssef
Metrics
H-Index
i10 Index
Citation Counts
30
61
4,187
Earthquake Engineering
Structural Fire Engineering
Prefabrication
Modular Construction
Structural Engineering
Rankings
Ranking Based On Selection: 10
Khaled M El Sawy
Metrics
H-Index
i10 Index
Citation Counts
21
26
1,291
Rankings
Ranking Based On Selection: 11
AbdulRahim Sabouni
Metrics
H-Index
i10 Index
Citation Counts
5
5
208
Structural Engineering
Civil Engineering
Concrete
Rankings
Ranking Based On Selection: 12
Abdul Aziz Younis
Metrics
H-Index
i10 Index
Citation Counts
4
4
56
Structural Engineering
Civil Engineering
Concrete