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" (873,898 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
Sami Boufi
nanocelluloses
cellulose nanomaterials
nanocomposite
polymers
biopolymers
Metrics
H-Index
i10 Index
Citation
68
186
15,865
* Rankings
Ranking Based On Selection: 6
Ridha Ben Salem
Synthèse organique- Catalyse par transfert de phase- Sonochimie- Catalyse hétérogène - Organométallique Chimie verte-Catalyse de couplage croisé C–C
-Synthèse de molécules bioactives à partir des huiles
Sciences de l’environnement
Metrics
H-Index
i10 Index
Citation
22
50
1,584
* Rankings
Ranking Based On Selection: 7
Raoudha Jarraya
Chimie des Substances Naturelles- plantes aromatiques et médicinales tunisiennes-cosmétiques
Metrics
H-Index
i10 Index
Citation
21
36
1,551
* Rankings
Ranking Based On Selection: 10
Mahmoud Trabelsi
organic chemistry
biomass
green chemistry
Metrics
H-Index
i10 Index
Citation
18
23
933

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* Rankings
Ranking Based On Selection: 11
Ayoub Haj Said
Electrochemistry
Conjugated Polymers
Sensors
Nanomaterial
Metrics
H-Index
i10 Index
Citation
16
20
620
* Rankings
Ranking Based On Selection: 15
Jawhar Fakhfakh
Chimie Organique
spectroscopie
Substances Naturelles.
Metrics
H-Index
i10 Index
Citation
13
16
518
* Rankings
Ranking Based On Selection: 16
Moncef Khadhraoui
Analytical Chemistry
Environmental Chemistry
Wastewater Treatment
Metrics
H-Index
i10 Index
Citation
12
14
810
* Rankings
Ranking Based On Selection: 17
Nader Frikha
Dessalement
Génie de la réaction chimique
Metrics
H-Index
i10 Index
Citation
12
13
542
* Rankings
Ranking Based On Selection: 20
Majed Kammoun
Hétérocycles
Plantes Médicinales
Hémi-synthèse
Molécules Bioactives.
Metrics
H-Index
i10 Index
Citation
10
10
367
* Rankings
Ranking Based On Selection: 23
Mohamed Faouzi Ahmadi
Electrochemistry drugs water treatment OCC
Metrics
H-Index
i10 Index
Citation
8
8
762
* Rankings
Ranking Based On Selection: 28
Ali Zaidi
chemical physics
spectroscopy
stereoisomerism
reactivity
Metrics
H-Index
i10 Index
Citation
5
1
44
* Rankings
Ranking Based On Selection: 29
Abidi Jihen
Water analysis
environmental pollution
electrochemistry
water treatment
chemical oxygen demand
Metrics
H-Index
i10 Index
Citation
3
2
31
Rankings
Ranking Based On Selection: 1
Sami Boufi
Metrics
H-Index
i10 Index
Citation Counts
68
186
15,865
nanocelluloses
cellulose nanomaterials
nanocomposite
polymers
biopolymers
Rankings
Ranking Based On Selection: 2
Ksibi Mohamed
Metrics
H-Index
i10 Index
Citation Counts
34
73
10,610
Rankings
Ranking Based On Selection: 3
Mohamed Damak
Metrics
H-Index
i10 Index
Citation Counts
32
70
4,046
Rankings
Ranking Based On Selection: 4
Houcine Naïli
Metrics
H-Index
i10 Index
Citation Counts
25
78
2,085
Rankings
Ranking Based On Selection: 5
Houda Marouani
Metrics
H-Index
i10 Index
Citation Counts
24
34
1,834
Rankings
Ranking Based On Selection: 6
Ridha Ben Salem
Metrics
H-Index
i10 Index
Citation Counts
22
50
1,584
Synthèse organique- Catalyse par transfert de phase- Sonochimie- Catalyse hétérogène - Organométallique Chimie verte-Catalyse de couplage croisé C–C
-Synthèse de molécules bioactives à partir des huiles
Sciences de l’environnement
Rankings
Ranking Based On Selection: 7
Raoudha Jarraya
Metrics
H-Index
i10 Index
Citation Counts
21
36
1,551
Chimie des Substances Naturelles- plantes aromatiques et médicinales tunisiennes-cosmétiques
Rankings
Ranking Based On Selection: 8
Neji Ladhari
Metrics
H-Index
i10 Index
Citation Counts
20
29
1,546
Rankings
Ranking Based On Selection: 9
Msaddek Moncef
Metrics
H-Index
i10 Index
Citation Counts
18
31
1,146
Rankings
Ranking Based On Selection: 10
Mahmoud Trabelsi
Metrics
H-Index
i10 Index
Citation Counts
18
23
933

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

Rankings
Ranking Based On Selection: 11
Ayoub Haj Said
Metrics
H-Index
i10 Index
Citation Counts
16
20
620
Electrochemistry
Conjugated Polymers
Sensors
Nanomaterial
Rankings
Ranking Based On Selection: 12
Walid Rekik
Metrics
H-Index
i10 Index
Citation Counts
15
22
715
Rankings
Ranking Based On Selection: 13
Makki Abdelmouleh
Metrics
H-Index
i10 Index
Citation Counts
14
17
2,925
Rankings
Ranking Based On Selection: 14
Houcine Ammar
Metrics
H-Index
i10 Index
Citation Counts
14
20
769
Rankings
Ranking Based On Selection: 15
Jawhar Fakhfakh
Metrics
H-Index
i10 Index
Citation Counts
13
16
518
Chimie Organique
spectroscopie
Substances Naturelles.
Rankings
Ranking Based On Selection: 16
Moncef Khadhraoui
Metrics
H-Index
i10 Index
Citation Counts
12
14
810
Analytical Chemistry
Environmental Chemistry
Wastewater Treatment
Rankings
Ranking Based On Selection: 17
Nader Frikha
Metrics
H-Index
i10 Index
Citation Counts
12
13
542
Dessalement
Génie de la réaction chimique
Rankings
Ranking Based On Selection: 18
Zakaria Elaoud
Metrics
H-Index
i10 Index
Citation Counts
11
14
362
Rankings
Ranking Based On Selection: 19
Mohamed Boujelbene
Metrics
H-Index
i10 Index
Citation Counts
10
10
271
Rankings
Ranking Based On Selection: 20
Majed Kammoun
Metrics
H-Index
i10 Index
Citation Counts
10
10
367
Hétérocycles
Plantes Médicinales
Hémi-synthèse
Molécules Bioactives.
Rankings
Ranking Based On Selection: 21
Mohamed Kossentini
Metrics
H-Index
i10 Index
Citation Counts
9
8
280
Rankings
Ranking Based On Selection: 22
Mhalla Jalel
Metrics
H-Index
i10 Index
Citation Counts
9
9
268
Rankings
Ranking Based On Selection: 23
Mohamed Faouzi Ahmadi
Metrics
H-Index
i10 Index
Citation Counts
8
8
762
Rankings
Ranking Based On Selection: 24
Adel Ben Salem
Metrics
H-Index
i10 Index
Citation Counts
8
8
280
Rankings
Ranking Based On Selection: 25
Souad Chkoundali
Metrics
H-Index
i10 Index
Citation Counts
7
5
106
Rankings
Ranking Based On Selection: 26
Manef Chtourou
Metrics
H-Index
i10 Index
Citation Counts
6
5
207
Rankings
Ranking Based On Selection: 27
Firas Krichen
Metrics
H-Index
i10 Index
Citation Counts
5
4
79
Rankings
Ranking Based On Selection: 28
Ali Zaidi
Metrics
H-Index
i10 Index
Citation Counts
5
1
44
chemical physics
spectroscopy
stereoisomerism
reactivity
Rankings
Ranking Based On Selection: 29
Abidi Jihen
Metrics
H-Index
i10 Index
Citation Counts
3
2
31
Water analysis
environmental pollution
electrochemistry
water treatment
chemical oxygen demand
Rankings
Ranking Based On Selection: 30
Derouiche Rania
Metrics
H-Index
i10 Index
Citation Counts
2
1
51
Rankings
Ranking Based On Selection: 31
Imen Tlili
Metrics
H-Index
i10 Index
Citation Counts
1
0
6
Rankings
Ranking Based On Selection: 32
Manel Bouguerra
Metrics
H-Index
i10 Index
Citation Counts
1
0
4