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
202,783
Country Rank
58,331
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/5604.png)
![United States](/flags/us.png)
![Mark Merchant](https://cdn.adscientificindex.com/pictures/9d/1392216.jpg)
biochemistry
physiology
cell biology
immunology of ectotherms
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
65
29
0.446
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
202,783
![United States](/flags/us.png)
58,331
![](https://cdn.adscientificindex.com/logos/5604.png)
2
Mark Merchant
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
65
29
0.446
![](https://cdn.adscientificindex.com/logos/5604.png)
biochemistry
physiology
cell biology
immunology of ectotherms