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: 26
![Joel Schwartz](https://cdn.adscientificindex.com/pictures/80/1446510.jpg)
air pollution
metals
health
statistics
epigenetics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,142
930
0.814
* Total i10 IndexRankings
Ranking Based On Selection: 27
![Ernest E Moore](/user/assets/images/profile/no-profile-photo.png)
Surgery
Critical Care
Inflammation
Multiple Organ Failure
Coagulation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,137
672
0.591
* Total i10 IndexRankings
Ranking Based On Selection: 28
![John Morley](https://cdn.adscientificindex.com/pictures/50/1549407.jpg)
...diabetes
nutrition
nursing homes
frailty
alzheimers
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,132
470
0.415
* Total i10 IndexRankings
Ranking Based On Selection: 29
![Ichiro Kawachi](https://cdn.adscientificindex.com/pictures/99/1415906.jpg)
social epidemiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,114
898
0.806
* Total i10 IndexRankings
Ranking Based On Selection: 30
![William Sandborn](https://cdn.adscientificindex.com/pictures/df/1771429.jpg)
Inflammatory bowel disease
Crohn's disease
ulcerative colitis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,093
754
0.690
* Total i10 IndexRankings
Ranking Based On Selection: 31
![Gordon Mills](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,087
781
0.718
* Total i10 IndexRankings
Ranking Based On Selection: 32
![Richard B Lipton](https://cdn.adscientificindex.com/pictures/13/792906.jpg)
migraine headache
alzheimer's disease
neuro-epidemiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,072
784
0.731
* Total i10 IndexRankings
Ranking Based On Selection: 33
![Rene Kahn](https://cdn.adscientificindex.com/pictures/6a/4988878.jpg)
schizophrenia
neuroimaging
genetics
cognition
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,048
791
0.755
* Total i10 IndexRankings
Ranking Based On Selection: 34
![Joseph Jankovic](https://cdn.adscientificindex.com/pictures/d1/4345762.jpg)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,043
644
0.617
* Total i10 IndexRankings
Ranking Based On Selection: 35
![David Bates](https://cdn.adscientificindex.com/pictures/d2/4512179.jpg)
Patient safety
medication safety
medical informatics
quality
clinical decision support
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,038
732
0.705
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: 36
![Ralph Hruban](https://cdn.adscientificindex.com/pictures/df/4305674.jpg)
Pancreatic cancer
pancreas cancer
pathology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,031
692
0.671
* Total i10 IndexRankings
Ranking Based On Selection: 37
![Arthur W Toga](/user/assets/images/profile/no-profile-photo.png)
neuroscience
neuroimaging
informatics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,019
676
0.663
* Total i10 IndexRankings
Ranking Based On Selection: 38
![Keith A Johnson](/user/assets/images/profile/no-profile-photo.png)
Neurology
Radiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
988
801
0.811
* Total i10 IndexRankings
Ranking Based On Selection: 39
![Xiao Ou Shu](/user/assets/images/profile/no-profile-photo.png)
epidemiology
cancer
genetics
diabetes
cohort studies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
981
763
0.778
* Total i10 IndexRankings
Ranking Based On Selection: 40
![Liang Cheng](https://cdn.adscientificindex.com/pictures/2f/1388738.jpg)
pathology
urologic oncology
molecular pathology
oncology
urology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
974
641
0.658
* Total i10 IndexRankings
Ranking Based On Selection: 41
![Robert Weinreb](https://cdn.adscientificindex.com/pictures/89/1771462.jpg)
Glaucoma
Ophthalmology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
971
648
0.667
* Total i10 IndexRankings
Ranking Based On Selection: 42
![Fred Guengerich](https://cdn.adscientificindex.com/pictures/05/1330565.jpg)
Enzymology
drug metabolism
cytochrome P450
mutagenesis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
969
400
0.413
* Total i10 IndexRankings
Ranking Based On Selection: 43
![Jane Cauley](/user/assets/images/profile/no-profile-photo.png)
osteoporosis
aging
fracture
hormones
breast cancer
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
952
705
0.741
* Total i10 IndexRankings
Ranking Based On Selection: 44
![Peter Choyke](https://cdn.adscientificindex.com/pictures/b6/4389140.jpg)
Radiology
Imaging
PET
optical
MRI
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
942
628
0.667
* Total i10 IndexRankings
Ranking Based On Selection: 45
![Peter Libby](https://cdn.adscientificindex.com/pictures/70/1392022.jpg)
medicine
cardiology
atherosclerosis
immunology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
939
679
0.723
* Total i10 IndexRankings
Ranking Based On Selection: 46
![Eric Rimm](https://cdn.adscientificindex.com/pictures/2b/4974074.jpg)
Professor of Epidemiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
920
778
0.846
* Total i10 IndexRankings
Ranking Based On Selection: 47
![Ralph Weichselbaum](/user/assets/images/profile/no-profile-photo.png)
radiotherapy metastasis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
916
393
0.429
* Total i10 IndexRankings
Ranking Based On Selection: 48
![Jose Ordovas](https://cdn.adscientificindex.com/pictures/8e/1735147.jpg)
nutrition
aging
genetics
epigenetics
cardiovascular diseases
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
913
514
0.563
* Total i10 IndexRankings
Ranking Based On Selection: 49
![Gregg C Fonarow](https://cdn.adscientificindex.com/pictures/36/1750430.jpg)
Cardiololgy
heart failure
quality of care and outcomes
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
912
652
0.715
* Total i10 IndexRankings
Ranking Based On Selection: 50
![John Minna](https://cdn.adscientificindex.com/pictures/8a/1679411.jpg)
Molecular and cellular biology of cancer
lung cancer translational research
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
907
490
0.540
Joel Schwartz
Harvard University
Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,142
930
0.814
air pollution
metals
health
statistics
epigenetics
Ernest E Moore
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,137
672
0.591
Surgery
Critical Care
Inflammation
Multiple Organ Failure
Coagulation
John Morley
Saint Louis University
St. Louis, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,132
470
0.415
...diabetes
nutrition
nursing homes
frailty
alzheimers
Ichiro Kawachi
Harvard University
Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,114
898
0.806
William Sandborn
University of California San Diego
San Diego, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,093
754
0.690
Inflammatory bowel disease
Crohn's disease
ulcerative colitis
Gordon Mills
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,087
781
0.718
Richard B Lipton
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,072
784
0.731
migraine headache
alzheimer's disease
neuro-epidemiology
Rene Kahn
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,048
791
0.755
schizophrenia
neuroimaging
genetics
cognition
Joseph Jankovic
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,043
644
0.617
David Bates
Harvard University
Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,038
732
0.705
Patient safety
medication safety
medical informatics
quality
clinical decision support
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!
Ralph Hruban
Johns Hopkins University
Baltimore, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,031
692
0.671
Pancreatic cancer
pancreas cancer
pathology
Arthur W Toga
University of Southern California
Los Angeles, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,019
676
0.663
neuroscience
neuroimaging
informatics
Keith A Johnson
Harvard University
Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
988
801
0.811
Xiao Ou Shu
Vanderbilt University
Nashville, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
981
763
0.778
epidemiology
cancer
genetics
diabetes
cohort studies
Liang Cheng
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
974
641
0.658
pathology
urologic oncology
molecular pathology
oncology
urology
Robert Weinreb
University of California San Diego
San Diego, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
971
648
0.667
Fred Guengerich
Vanderbilt University
Nashville, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
969
400
0.413
Enzymology
drug metabolism
cytochrome P450
mutagenesis
Jane Cauley
University of Pittsburgh
Pittsburgh, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
952
705
0.741
osteoporosis
aging
fracture
hormones
breast cancer
Peter Choyke
National Institutes of Health
Bethesda, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
942
628
0.667
Radiology
Imaging
PET
optical
MRI
Peter Libby
Harvard University
Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
939
679
0.723
medicine
cardiology
atherosclerosis
immunology
Eric Rimm
Harvard University
Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
920
778
0.846
Professor of Epidemiology
Ralph Weichselbaum
University of Chicago
Chicago, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
916
393
0.429
radiotherapy metastasis
Jose Ordovas
Tufts University
Medford, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
913
514
0.563
nutrition
aging
genetics
epigenetics
cardiovascular diseases
Gregg C Fonarow
University of California Los Angeles
Los Angeles, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
912
652
0.715
Cardiololgy
heart failure
quality of care and outcomes
John Minna
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
907
490
0.540
Molecular and cellular biology of cancer
lung cancer translational research