Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Click for "last 6 years' i10 index". Also see: Universities Rankings 2024 (Sort by : Total i10 Index) and Universities Rankings 2024 (Sort by : Last 6 Years i10 Index)
* Total i10 Index Rankings
World Rank
307,975
Country Rank
220
Institution Rank : 3
![](https://cdn.adscientificindex.com/logos/10679.jpg)
![Lebanon](/flags/lb.png)
![Marc Beyrouthy](https://cdn.adscientificindex.com/pictures/87/291863.jpg)
Ethnobotany
Botany
Biodiversity
Biological activities
Essential oils
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
45
38
0.844
* Total i10 Index Rankings
World Rank
582,619
Country Rank
490
Institution Rank : 6
![](https://cdn.adscientificindex.com/logos/10679.jpg)
![Lebanon](/flags/lb.png)
![Youssef El Rayess](/pictures/37/291965.jpg)
wine chemistry and microbiology
Food Sciences
Food Technology
Food Microbiology
Process Engineer
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
21
0.955
* Total i10 Index Rankings
World Rank
1,491,568
Country Rank
1,660
Institution Rank : 36
![](https://cdn.adscientificindex.com/logos/10679.jpg)
![Lebanon](/flags/lb.png)
![Elie Bou Yazbeck,](/pictures/13/5067252.jpg)
Agriculture
Food and Nutrition
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 Index Rankings
World Ranking
307,975
Country Ranking
220
Institution Ranking
3
Marc Beyrouthy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
45
38
0.844
![](https://cdn.adscientificindex.com/logos/10679.jpg)
Ethnobotany
Botany
Biodiversity
Biological activities
Essential oils
* Total i10 Index Rankings
World Ranking
582,619
Country Ranking
490
Institution Ranking
6
Youssef El Rayess
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
21
0.955
![](https://cdn.adscientificindex.com/logos/10679.jpg)
wine chemistry and microbiology
Food Sciences
Food Technology
Food Microbiology
Process Engineer
* Total i10 Index Rankings
World Ranking
1,491,568
Country Ranking
1,660
Institution Ranking
36
Elie Bou Yazbeck,
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000