Total 2,403,032 scientists, country 221, and institutions 24,466 are evaluated in the Productivity Rankings, an exclusive service provided by AD Scientific Index. This ranking measures and highlights the scientific productivity of researchers based on the i10 index (number of publications with at least 10 citations). This system identifies highly productive scientists across disciplines, institutions, and regions, contributing to the development of evidence-based academic policies and effective incentive mechanisms. The rankings include global, regional, and institutional analyses, along with specialized rankings such as Scientists' Last 6 Years' i10 Index and Universities' i10 Index Rankings 2025. With Premium Membership, you can:
- Gain full access to detailed comparisons and advanced analytics,
- Objectively evaluate your academic productivity,
- Make strategic, data-driven decisions to enhance performance.
* Total i10 IndexRankings
Ranking Based On Selection: 1
![Salem Salah Salem](https://cdn.adscientificindex.com/pictures/75/89974.jpg)
Nanobiotechnology
Microbial biotechnology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
79
79
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Ahmed I. Hasaballah](https://cdn.adscientificindex.com/pictures/4e/4328258.jpg)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
72
71
0.986
* Total i10 IndexRankings
Ranking Based On Selection: 3
![Saad El Din Hassan](/user/assets/images/profile/no-profile-photo.png)
Microbial Ecology and biotechnology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
67
64
0.955
* Total i10 IndexRankings
Ranking Based On Selection: 4
![Farrag Aa](https://cdn.adscientificindex.com/pictures/18/97512.jpg)
Microbial biotechnology and Nanobiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
59
34
0.576
* Total i10 IndexRankings
Ranking Based On Selection: 5
![Mohamed Ali Abdel-Rahman](https://cdn.adscientificindex.com/pictures/f7/4988658.jpg)
Microbial Biotechnology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
57
46
0.807
* Total i10 IndexRankings
Ranking Based On Selection: 6
![Alaa Osman](https://cdn.adscientificindex.com/pictures/c9/103358.jpg)
Fisheries Sciences
Aquaculture
Ecotoxicology
Biology and Ecology of Fishes
Biological Sciences
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
55
42
0.764
* Total i10 IndexRankings
Ranking Based On Selection: 7
![Mohamed MS Farag](https://cdn.adscientificindex.com/pictures/91/94505.jpg)
Microbiology ( Virology & Immunology)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
19
0.633
* Total i10 IndexRankings
Ranking Based On Selection: 8
![Ahmed Saber Bream](https://cdn.adscientificindex.com/pictures/b7/103127.jpg)
Insect control and Environmental pollution monitoring
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
8
0.276
* Total i10 IndexRankings
Ranking Based On Selection: 9
![Sayed Bakry](https://cdn.adscientificindex.com/pictures/ff/90369.jpg)
Professor of Embryology and Reproductive Technologies Consultant & Expert in Stem Cells & Mitochondrial Research
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
14
0.737
* Total i10 IndexRankings
Ranking Based On Selection: 10
![Aldoushy Mahdy](https://cdn.adscientificindex.com/pictures/24/4372868.jpg)
Aquatic Ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
14
0.824
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!
* Total i10 IndexRankings
Ranking Based On Selection: 11
![Emad Ewais](https://cdn.adscientificindex.com/pictures/30/96976.jpg)
biological science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
14
0.824
* Total i10 IndexRankings
Ranking Based On Selection: 12
![Essam El-Hashash](https://cdn.adscientificindex.com/pictures/e0/4373074.jpg)
1- Plant Breeding
Biodiversity and Biotechnology. 2- Design and Analysis of Plant Breeding Experiments. 3- Genetic Diversity
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
15
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 13
![Ahmed Zeinhom](https://cdn.adscientificindex.com/pictures/b6/4372854.jpg)
Biology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
11
0.786
* Total i10 IndexRankings
Ranking Based On Selection: 14
![Ehab F. El-Belely](https://cdn.adscientificindex.com/pictures/fb/4373012.jpg)
Algae Biotechnology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
13
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 15
![Rashad Em Said|Rashad ElSayed Mohammed Said, Rashad Said](https://cdn.adscientificindex.com/pictures/85/5783942.jpg)
Ecology
Aquatic Ecology
Ecotoxicology
Environmental Pollution
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
11
0.846
* Total i10 IndexRankings
Ranking Based On Selection: 16
![Mansour Ae Bashar](https://cdn.adscientificindex.com/pictures/99/4373373.jpg)
biology
marine
biotechnology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
12
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 17
![Mahmoud Radwan](https://cdn.adscientificindex.com/pictures/67/4691031.jpg)
Fish diseases
Fish parasites
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
10
0.909
* Total i10 IndexRankings
Ranking Based On Selection: 18
![Abdel Rehim El Shanawany](https://cdn.adscientificindex.com/pictures/77/102053.jpg)
Microbiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
5
0.455
* Total i10 IndexRankings
Ranking Based On Selection: 19
![Taher M. Taha](https://cdn.adscientificindex.com/pictures/42/5909434.jpg)
Biotechnology
Applied Microbiology
Bioleaching
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
4
0.444
* Total i10 IndexRankings
Ranking Based On Selection: 20
![Abdelsattar Metwally](https://cdn.adscientificindex.com/pictures/61/4372719.jpg)
Acarology
Zoology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
4
0.444
* Total i10 IndexRankings
Ranking Based On Selection: 21
![Ahmed Darwish Elgamal](https://cdn.adscientificindex.com/pictures/ec/4372785.jpg)
Algal Taxonomy -Biotechnology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
5
0.714
* Total i10 IndexRankings
Ranking Based On Selection: 22
![Amr Zeina](https://cdn.adscientificindex.com/pictures/68/5775982.jpg)
Crustacean Taxonomy and phylogeny
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
4
0.571
* Total i10 IndexRankings
Ranking Based On Selection: 23
![Salah Abdelbary](https://cdn.adscientificindex.com/pictures/ec/4631817.jpg)
Microbiology
Biotechnology
Nanotechnology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
5
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 24
![Dalia G. Gabr](/user/assets/images/profile/no-profile-photo.png)
plant taxonomy
ecology
flora
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
4
0.800
* Total i10 IndexRankings
Ranking Based On Selection: 25
![Abd Al-Kader Hassan](https://cdn.adscientificindex.com/pictures/d8/5773849.jpg)
Ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
4
0.800
Salem Salah Salem
Al Azhar University
Cairo, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
79
79
1.000
Nanobiotechnology
Microbial biotechnology
Ahmed I. Hasaballah
Al Azhar University
Cairo, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
72
71
0.986
Saad El Din Hassan
Al Azhar University
Cairo, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
67
64
0.955
Microbial Ecology and biotechnology
Farrag Aa
Al Azhar University
Cairo, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
59
34
0.576
Microbial biotechnology and Nanobiology
Mohamed Ali Abdel-Rahman
Al Azhar University
Cairo, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
57
46
0.807
Alaa Osman
Al Azhar University
Cairo, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
55
42
0.764
Fisheries Sciences
Aquaculture
Ecotoxicology
Biology and Ecology of Fishes
Biological Sciences
Mohamed MS Farag
Al Azhar University
Cairo, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
19
0.633
Microbiology ( Virology & Immunology)
Ahmed Saber Bream
Al Azhar University
Cairo, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
8
0.276
Insect control and Environmental pollution monitoring
Sayed Bakry
Al Azhar University
Cairo, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
14
0.737
Professor of Embryology and Reproductive Technologies Consultant & Expert in Stem Cells & Mitochondrial Research
Aldoushy Mahdy
Al Azhar University
Cairo, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
14
0.824
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!
Emad Ewais
Al Azhar University
Cairo, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
14
0.824
Essam El-Hashash
Al Azhar University
Cairo, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
15
1.000
1- Plant Breeding
Biodiversity and Biotechnology. 2- Design and Analysis of Plant Breeding Experiments. 3- Genetic Diversity
Ahmed Zeinhom
Al Azhar University
Cairo, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
11
0.786
Ehab F. El-Belely
Al Azhar University
Cairo, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
13
1.000
Rashad Em Said|Rashad ElSayed Mohammed Said, Rashad Said
Al Azhar University
Cairo, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
11
0.846
Ecology
Aquatic Ecology
Ecotoxicology
Environmental Pollution
Mansour Ae Bashar
Al Azhar University
Cairo, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
12
1.000
Mahmoud Radwan
Al Azhar University
Cairo, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
10
0.909
Abdel Rehim El Shanawany
Al Azhar University
Cairo, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
5
0.455
Taher M. Taha
Al Azhar University
Cairo, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
4
0.444
Biotechnology
Applied Microbiology
Bioleaching
Abdelsattar Metwally
Al Azhar University
Cairo, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
4
0.444
Ahmed Darwish Elgamal
Al Azhar University
Cairo, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
5
0.714
Amr Zeina
Al Azhar University
Cairo, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
4
0.571
Crustacean Taxonomy and phylogeny
Salah Abdelbary
Al Azhar University
Cairo, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
5
1.000
Microbiology
Biotechnology
Nanotechnology
Dalia G. Gabr
Al Azhar University
Cairo, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
4
0.800
Abd Al-Kader Hassan
Al Azhar University
Cairo, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
4
0.800