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" (873,690 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: 6
Karim N Jallad
Analytical Chemistry
Environmental Chemistry
Environmental Toxicology
Metrics
H-Index
i10 Index
Citation
17
18
1,002
Rankings
Ranking Based On Selection: 1
Ahmed El Asmy
Metrics
H-Index
i10 Index
Citation Counts
33
100
3,502
Rankings
Ranking Based On Selection: 2
Saad Makhseed
Metrics
H-Index
i10 Index
Citation Counts
30
58
5,110
Rankings
Ranking Based On Selection: 3
Saleh Al Mousawi
Metrics
H-Index
i10 Index
Citation Counts
25
61
2,297
Rankings
Ranking Based On Selection: 4
Ahmed Meslam Mohamed
Metrics
H-Index
i10 Index
Citation Counts
22
49
1,559
Rankings
Ranking Based On Selection: 5
Entesar Al Hetlani
Metrics
H-Index
i10 Index
Citation Counts
18
27
1,393
Rankings
Ranking Based On Selection: 6
Karim N Jallad
Metrics
H-Index
i10 Index
Citation Counts
17
18
1,002
Analytical Chemistry
Environmental Chemistry
Environmental Toxicology
Rankings
Ranking Based On Selection: 7
Mozhdeh Seyyedhamzeh
Metrics
H-Index
i10 Index
Citation Counts
15
19
1,227
Rankings
Ranking Based On Selection: 8
Abdirahman A. Mohamod
Metrics
H-Index
i10 Index
Citation Counts
8
5
185