Total 2,424,675 scientists, country 221, and institutions 24,468 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
![Ran Tur Kaspa](/user/assets/images/profile/no-profile-photo.png)
Hepatology
Virology
transplantation
cancer
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
126
31
0.246
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Ami D Sperber](https://cdn.adscientificindex.com/pictures/be/292799.jpg)
Gastroenterology
Functional gastrointestinal disorders
Irritable Bowel syndrome
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
109
64
0.587
* Total i10 IndexRankings
Ranking Based On Selection: 3
![Doron Boltin](/user/assets/images/profile/no-profile-photo.png)
Stomach
Helicobacter pylori
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
35
0.686
* Total i10 IndexRankings
Ranking Based On Selection: 4
![Marius Braun](/user/assets/images/profile/no-profile-photo.png)
Hepatology
liver transplantation
gastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
30
0.714
* Total i10 IndexRankings
Ranking Based On Selection: 5
![Eran Zittan](https://cdn.adscientificindex.com/pictures/94/4981349.jpg)
Inflammatory Bowel Disease
Crohn’s disease
Ulcerative Colitis
Gastroenterology.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
30
0.968
* Total i10 IndexRankings
Ranking Based On Selection: 6
![Benjamin Koslowsky](/user/assets/images/profile/no-profile-photo.png)
IBD
gastroenterology
Crohns disease
Ulcerative colitis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
20
0.714
* Total i10 IndexRankings
Ranking Based On Selection: 7
![Ayal Hirsch](https://cdn.adscientificindex.com/pictures/56/5230201.jpg)
Gastroenterology
Inflammatory Bowel Diseases
Cannabis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
12
0.667
* Total i10 IndexRankings
Ranking Based On Selection: 8
![Iddo Bar-Yishay](https://cdn.adscientificindex.com/pictures/65/4702214.jpg)
Gastroenterology & Hepatology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
9
0.900
* Total i10 IndexRankings
Ranking Based On Selection: 9
![Bashar Fteiha](https://cdn.adscientificindex.com/pictures/e1/4807077.jpg)
gastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 10
![Amani Beshara](/user/assets/images/profile/no-profile-photo.png)
gastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Ran Tur Kaspa
Bar Ilan University
Ramat Gan, Israel
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
126
31
0.246
Hepatology
Virology
transplantation
cancer
Ami D Sperber
Ben Gurion University of the Negev
Beer Sheva, Israel
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
109
64
0.587
Gastroenterology
Functional gastrointestinal disorders
Irritable Bowel syndrome
Doron Boltin
Clalit Health Services
Tel Aviv, Israel
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
35
0.686
Stomach
Helicobacter pylori
Marius Braun
Clalit Health Services
Tel Aviv, Israel
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
30
0.714
Hepatology
liver transplantation
gastroenterology
Eran Zittan
Clalit Health Services
Tel Aviv, Israel
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
30
0.968
Inflammatory Bowel Disease
Crohn’s disease
Ulcerative Colitis
Gastroenterology.
Benjamin Koslowsky
Shaare Zedek Cancer Center
Jerusalem, Israel
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
20
0.714
IBD
gastroenterology
Crohns disease
Ulcerative colitis
Ayal Hirsch
Tel Aviv Medical Center
Tel Aviv, Israel
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
12
0.667
Gastroenterology
Inflammatory Bowel Diseases
Cannabis
Iddo Bar-Yishay
Tel Aviv Medical Center
Tel Aviv, Israel
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
9
0.900
Gastroenterology & Hepatology
Bashar Fteiha
Shaare Zedek Cancer Center
Jerusalem, Israel
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
Amani Beshara
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000