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.
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 1
![Joann E Manson](/user/assets/images/profile/no-profile-photo.png)
Endocrinology
Epidemiology
Cardiovascular Disease
Diabetes
Women's health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,612
1,326
0.823
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 2
![Chen Chen](https://cdn.adscientificindex.com/pictures/72/42293.jpg)
Medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,485
1,252
0.843
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 3
![George P Chrousos](https://cdn.adscientificindex.com/pictures/a0/1842092.jpg)
Clinical Medicine
Biology
Biochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,459
869
0.596
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 4
![Bagher Larijani](https://cdn.adscientificindex.com/pictures/23/298795.jpg)
Endocrinology
Metabolism
Medical Ethics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,111
804
0.724
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 5
![Fereidoun Azizi](https://cdn.adscientificindex.com/pictures/7a/387776.jpg)
Internal Medicine
Endocrinology
thyroid
diabetes mellitus
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,175
780
0.664
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 6
![Annamaria Colao](https://cdn.adscientificindex.com/pictures/83/1751773.jpg)
Malattie rare
Osteoporosi
Obesità
Ipofisi
Tumori Neuroendocrin
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,028
741
0.721
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 7
![Leif Groop](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
812
539
0.664
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 8
![Hans Ulrich Häring](/user/assets/images/profile/no-profile-photo.png)
Diabetes
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
831
462
0.556
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 9
![Philippe Froguel](https://cdn.adscientificindex.com/pictures/43/1251175.jpg)
Diabetes
Obesity
Genetics
Genomics
Precision Medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
696
456
0.655
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 10
![Claes Ohlsson](https://cdn.adscientificindex.com/pictures/82/1214182.jpg)
Bone metabolism
Endocrinology
bone
osteoporosis
growth
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
640
454
0.709
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* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 11
![Hironobu Sasano](https://cdn.adscientificindex.com/pictures/7e/363916.jpg)
pathology endocrinology breast cancer
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
947
448
0.473
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 12
![Gerald I Shulman](/user/assets/images/profile/no-profile-photo.png)
mitochondrial metabolism
type 2 diabetes
insulin resistance
gluconeogenesis
glycogen metabolism
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
555
447
0.805
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 13
![Andrea Lenzi](/user/assets/images/profile/no-profile-photo.png)
Endocrinology
Metabolism
Andrology
Reproductive Medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
579
440
0.760
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 14
![Mario Maggi](https://cdn.adscientificindex.com/pictures/15/1800895.jpg)
endocrinology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
607
430
0.708
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 15
![Giovanni Targher](https://cdn.adscientificindex.com/pictures/b3/1806514.jpg)
Diabetes
Endocrinology
Gastroenterology
Cardiology
Nephrology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
504
391
0.776
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 16
![Parvin Mirmiran](https://cdn.adscientificindex.com/pictures/88/409970.jpg)
nutrition
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
494
389
0.787
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 17
![Felipe F Casanueva](https://cdn.adscientificindex.com/pictures/1c/4341268.jpg)
Endocrinology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
600
346
0.577
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 18
![Johannes A Romijn](https://cdn.adscientificindex.com/pictures/3f/1830205.jpg)
Endocrinology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
531
323
0.608
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 19
![Edoardo Mannucci](/user/assets/images/profile/no-profile-photo.png)
endocrinologia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
436
307
0.704
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 20
![Ralph Defronzo](/user/assets/images/profile/no-profile-photo.png)
diabetes
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
576
306
0.531
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 21
![Daniel J Drucker](https://cdn.adscientificindex.com/pictures/ee/4471935.jpg)
Gut hormones
Endocrinology
Diabetes
GLP-1
obesity
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
421
297
0.705
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 22
![Rachel Yehuda](https://cdn.adscientificindex.com/pictures/4b/4988887.jpg)
PTSD
psychoneuroendocrinology
stress
psychiatry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
428
295
0.689
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 23
![Carlos A. Aguilar Salinas](https://cdn.adscientificindex.com/pictures/9e/4474680.jpg)
Endocrinologia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
403
292
0.725
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 24
![Rosario Pivonello](/user/assets/images/profile/no-profile-photo.png)
endocrinologia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
361
275
0.762
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 25
![Stephen R Bloom](https://cdn.adscientificindex.com/pictures/da/1185245.jpg)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
908
272
0.300
Joann E Manson
Harvard University
Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,612
1,326
0.823
Endocrinology
Epidemiology
Cardiovascular Disease
Diabetes
Women's health
Chen Chen
University of California Los Angeles
Los Angeles, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,485
1,252
0.843
George P Chrousos
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,459
869
0.596
Clinical Medicine
Biology
Biochemistry
Bagher Larijani
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,111
804
0.724
Endocrinology
Metabolism
Medical Ethics
Fereidoun Azizi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,175
780
0.664
Internal Medicine
Endocrinology
thyroid
diabetes mellitus
Annamaria Colao
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,028
741
0.721
Malattie rare
Osteoporosi
Obesità
Ipofisi
Tumori Neuroendocrin
Leif Groop
Lund University
Lund, Sweden
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
812
539
0.664
Hans Ulrich Häring
Universität Tubingen
Tübingen, Germany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
831
462
0.556
Philippe Froguel
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
696
456
0.655
Diabetes
Obesity
Genetics
Genomics
Precision Medicine
Claes Ohlsson
University of Gothenburg
Göteborg, Sweden
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
640
454
0.709
Bone metabolism
Endocrinology
bone
osteoporosis
growth
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!
Hironobu Sasano
Tohoku University
Sendai, Japan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
947
448
0.473
pathology endocrinology breast cancer
Gerald I Shulman
Yale University
New Haven, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
555
447
0.805
mitochondrial metabolism
type 2 diabetes
insulin resistance
gluconeogenesis
glycogen metabolism
Andrea Lenzi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
579
440
0.760
Endocrinology
Metabolism
Andrology
Reproductive Medicine
Mario Maggi
Università degli Studi di Firenze
Firenze, Italy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
607
430
0.708
Giovanni Targher
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
504
391
0.776
Diabetes
Endocrinology
Gastroenterology
Cardiology
Nephrology
Parvin Mirmiran
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
494
389
0.787
Felipe F Casanueva
Universidade de Santiago de Compostela
Santiago de Compostela, Spain
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
600
346
0.577
Johannes A Romijn
University of Amsterdam
Amsterdam, Netherlands
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
531
323
0.608
Edoardo Mannucci
Università degli Studi di Firenze
Firenze, Italy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
436
307
0.704
Ralph Defronzo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
576
306
0.531
Daniel J Drucker
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
421
297
0.705
Gut hormones
Endocrinology
Diabetes
GLP-1
obesity
Rachel Yehuda
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
428
295
0.689
PTSD
psychoneuroendocrinology
stress
psychiatry
Carlos A. Aguilar Salinas
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
403
292
0.725
Rosario Pivonello
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
361
275
0.762
Stephen R Bloom
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
908
272
0.300