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" (910,673 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
Reza Jalilzadeh
Environmental Engineering
pollution
Nano science
Health Sciences
photocatalysis
Metrics
H-Index
i10 Index
Citation
24
43
1,971
Amir Hossein Davami
Waste& Environmental Management
HSE
Crisis Management
HSE Economic
Metrics
H-Index
i10 Index
Citation
8
7
296
Narges Zohrabi
Capacity Development
Water Governance & Managment
Drought Monitoring & Forecast
Climate Change
Metrics
H-Index
i10 Index
Citation
8
6
238
Fatemeh Karimi Organi
Environmental Assessment
Environmental Pollution
Economic Valuation
Ecological Risk Assessment
Metrics
H-Index
i10 Index
Citation
4
4
144
Rankings
Ranking Based On Selection: 1
Reza Jalilzadeh
Metrics
H-Index
i10 Index
Citation Counts
24
43
1,971
Environmental Engineering
pollution
Nano science
Health Sciences
photocatalysis
Rankings
Ranking Based On Selection: 2
Alireza Masjedi
Metrics
H-Index
i10 Index
Citation Counts
11
18
581
Rankings
Ranking Based On Selection: 3
Amir Hossein Davami
Metrics
H-Index
i10 Index
Citation Counts
8
7
296
Waste& Environmental Management
HSE
Crisis Management
HSE Economic
Rankings
Ranking Based On Selection: 4
Narges Zohrabi
Metrics
H-Index
i10 Index
Citation Counts
8
6
238
Capacity Development
Water Governance & Managment
Drought Monitoring & Forecast
Climate Change
Rankings
Ranking Based On Selection: 5
Habib Janadeleh
Metrics
H-Index
i10 Index
Citation Counts
8
8
200
Rankings
Ranking Based On Selection: 6
Sina Attarroshan
Metrics
H-Index
i10 Index
Citation Counts
8
6
144
Rankings
Ranking Based On Selection: 7
Fatemeh Karimi Organi
Metrics
H-Index
i10 Index
Citation Counts
4
4
144
Environmental Assessment
Environmental Pollution
Economic Valuation
Ecological Risk Assessment
Rankings
Ranking Based On Selection: 8
Elham Mobarak Hassan
Metrics
H-Index
i10 Index
Citation Counts
4
1
39
Rankings
Ranking Based On Selection: 9
Neda Orak
Metrics
H-Index
i10 Index
Citation Counts
4
0
53