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i10 Productivity
Rankings

Harvard University 12,755 Scientists i10 Productivity Rankings (Sort by last 6 years i10 Index) - 2025

Total 2,393,018 scientists, country 221, and institutions 24,453 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.

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Total 12,755 scientist
* Last 6 Years i10 IndexRankings
World Rank
48
Country Rank
13
Institution Rank: 1
Ranking Based On Selection: 1
United States
Joann E Manson
Joann E Manson
Harvard University
Cambridge , United States
Medical and Health Sciences / Endocrinology and Metabolism
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
See All Rankings and Analysis
* Last 6 Years i10 IndexRankings
World Rank
53
Country Rank
16
Institution Rank: 2
Ranking Based On Selection: 2
United States
Frank B Hu
Frank B Hu
Harvard University
Cambridge , United States
Medical and Health Sciences / Epidemiology and Public Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,491
1,304
0.875
See All Rankings and Analysis
* Last 6 Years i10 IndexRankings
World Rank
152
Country Rank
39
Institution Rank: 3
Ranking Based On Selection: 3
United States
Masahiro Morii
Masahiro Morii
Harvard University
Cambridge , United States
Natural Sciences / Physics
Experimental Particle Physics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,575
1,032
0.655
See All Rankings and Analysis
* Last 6 Years i10 IndexRankings
World Rank
179
Country Rank
45
Institution Rank: 4
Ranking Based On Selection: 4
United States
Ronald C Kessler
Ronald C Kessler
Harvard University
Cambridge , United States
Medical and Health Sciences / Psychiatry
Psychiatric Epidemiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,300
1,005
0.773
See All Rankings and Analysis
* Last 6 Years i10 IndexRankings
World Rank
194
Country Rank
49
Institution Rank: 5
Ranking Based On Selection: 5
United States
Qiang Chen
Qiang Chen
Harvard University
Cambridge , United States
Natural Sciences / Molecular Biology & Genetics
Protein Structure
Axon Guidance
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,270
992
0.781
See All Rankings and Analysis
* Last 6 Years i10 IndexRankings
World Rank
270
Country Rank
71
Institution Rank: 6
Ranking Based On Selection: 6
United States
Joel Schwartz
Joel Schwartz
Harvard University
Cambridge , United States
Medical and Health Sciences / Epidemiology and Public Health
air pollution
metals
health
statistics
epigenetics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,142
930
0.814
See All Rankings and Analysis
* Last 6 Years i10 IndexRankings
World Rank
313
Country Rank
88
Institution Rank: 7
Ranking Based On Selection: 7
United States
Ichiro Kawachi
Ichiro Kawachi
Harvard University
Cambridge , United States
Medical and Health Sciences / Epidemiology and Public Health
social epidemiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,114
898
0.806
See All Rankings and Analysis
* Last 6 Years i10 IndexRankings
World Rank
440
Country Rank
123
Institution Rank: 8
Ranking Based On Selection: 8
United States
Paul M Ridker
Paul M Ridker
Harvard University
Cambridge , United States
Medical and Health Sciences / Epidemiology and Public Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,170
825
0.705
See All Rankings and Analysis
* Last 6 Years i10 IndexRankings
World Rank
445
Country Rank
125
Institution Rank: 9
Ranking Based On Selection: 9
United States
David J Hunter
David J Hunter
Harvard University
Cambridge , United States
Medical and Health Sciences / Epidemiology and Public Health
Cancer Epidemiology
Genetic Epidemiology
Nutritional Epidemiology
Global Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,157
822
0.710
See All Rankings and Analysis
* Last 6 Years i10 IndexRankings
World Rank
475
Country Rank
130
Institution Rank: 10
Ranking Based On Selection: 10
United States
Carlos A Camargo, Jr
Carlos A Camargo, Jr
Harvard University
Cambridge , United States
Others
respiratory/allergy disorders
emergency care
health services research
nutrition
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,047
803
0.767
See All Rankings and Analysis

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! 

* Last 6 Years i10 IndexRankings
World Rank
478
Country Rank
132
Institution Rank: 11
Ranking Based On Selection: 11
United States
Keith A Johnson
Keith A Johnson
Harvard University
Cambridge , United States
Medical and Health Sciences / Neurology
Neurology
Radiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
988
801
0.811
See All Rankings and Analysis
* Last 6 Years i10 IndexRankings
World Rank
538
Country Rank
142
Institution Rank: 12
Ranking Based On Selection: 12
United States
Eric Rimm
Eric Rimm
Harvard University
Cambridge , United States
Medical and Health Sciences / Epidemiology and Public Health
Professor of Epidemiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
920
778
0.846
See All Rankings and Analysis
* Last 6 Years i10 IndexRankings
World Rank
649
Country Rank
174
Institution Rank: 13
Ranking Based On Selection: 13
United States
David Bates
David Bates
Harvard University
Cambridge , United States
Medical and Health Sciences / Health Sciences
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
See All Rankings and Analysis
* Last 6 Years i10 IndexRankings
World Rank
653
Country Rank
176
Institution Rank: 14
Ranking Based On Selection: 14
United States
Melissa Franklin
Melissa Franklin
Harvard University
Cambridge , United States
Natural Sciences / Physics
particle physics
women in physics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,156
730
0.631
See All Rankings and Analysis
* Last 6 Years i10 IndexRankings
World Rank
686
Country Rank
181
Institution Rank: 15
Ranking Based On Selection: 15
United States
David A Weitz
David A Weitz
Harvard University
Cambridge , United States
Natural Sciences / Physics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
880
716
0.814
See All Rankings and Analysis
* Last 6 Years i10 IndexRankings
World Rank
698
Country Rank
185
Institution Rank: 16
Ranking Based On Selection: 16
United States
Susan Redline
Susan Redline
Harvard University
Cambridge , United States
Medical and Health Sciences / Chest Diseases
sleep medicine
epidemiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
829
710
0.856
See All Rankings and Analysis
* Last 6 Years i10 IndexRankings
World Rank
713
Country Rank
187
Institution Rank: 17
Ranking Based On Selection: 17
United States
Joao Guimaraes Da Costa
Joao Guimaraes Da Costa
Harvard University
Cambridge , United States
Natural Sciences / Physics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,216
705
0.580
See All Rankings and Analysis
* Last 6 Years i10 IndexRankings
World Rank
717
Country Rank
189
Institution Rank: 18
Ranking Based On Selection: 18
United States
Henning Tiemeier
Henning Tiemeier
Harvard University
Cambridge , United States
Social Sciences / Social Science
Cohort studies
Neurodevelopment
Sleep
Child Development
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
796
705
0.886
See All Rankings and Analysis
* Last 6 Years i10 IndexRankings
World Rank
744
Country Rank
194
Institution Rank: 19
Ranking Based On Selection: 19
United States
Alvaro Pascual Leone
Alvaro Pascual Leone
Harvard University
Cambridge , United States
Medical and Health Sciences / Neurology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
855
694
0.812
See All Rankings and Analysis
* Last 6 Years i10 IndexRankings
World Rank
768
Country Rank
204
Institution Rank: 20
Ranking Based On Selection: 20
United States
Ralph Weissleder
Ralph Weissleder
Harvard University
Cambridge , United States
Natural Sciences / Biological Science
Biotechnology
imaging
drugs
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,021
680
0.666
See All Rankings and Analysis
* Last 6 Years i10 IndexRankings
World Rank
772
Country Rank
206
Institution Rank: 21
Ranking Based On Selection: 21
United States
Peter Libby
Peter Libby
Harvard University
Cambridge , United States
Medical and Health Sciences / Epidemiology and Public Health
medicine
cardiology
atherosclerosis
immunology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
939
679
0.723
See All Rankings and Analysis
* Last 6 Years i10 IndexRankings
World Rank
824
Country Rank
223
Institution Rank: 22
Ranking Based On Selection: 22
United States
Toni Choueiri
Toni Choueiri
Harvard University
Cambridge , United States
Natural Sciences / Molecular Biology & Genetics
Genitourinary Oncology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
843
660
0.783
See All Rankings and Analysis
* Last 6 Years i10 IndexRankings
World Rank
889
Country Rank
245
Institution Rank: 23
Ranking Based On Selection: 23
United States
Peter Kraft
Peter Kraft
Harvard University
Cambridge , United States
Natural Sciences / Molecular Biology & Genetics
Genetic epidemiology
cancer
statistics
biostatistcs
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
775
637
0.822
See All Rankings and Analysis
* Last 6 Years i10 IndexRankings
World Rank
968
Country Rank
264
Institution Rank: 24
Ranking Based On Selection: 24
United States
Andrew T Chan
Andrew T Chan
Harvard University
Cambridge , United States
Medical and Health Sciences / Epidemiology and Public Health
Epidemiology
microbiome
cancer prevention
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
681
611
0.897
See All Rankings and Analysis
* Last 6 Years i10 IndexRankings
World Rank
1,040
Country Rank
284
Institution Rank: 25
Ranking Based On Selection: 25
United States
Mark Daly
Mark Daly
Harvard University
Cambridge , United States
Natural Sciences / Molecular Biology & Genetics
Genetics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
728
589
0.809
See All Rankings and Analysis
* Last 6 Years i10 Index Rankings
Rankings
48
United States
13
1
Ranking Based On Selection: 1
Joann E Manson
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
Medical and Health Sciences / Endocrinology and Metabolism
Endocrinology
Epidemiology
Cardiovascular Disease
Diabetes
Women's health
See All Rankings and Analysis
* Last 6 Years i10 Index Rankings
Rankings
53
United States
16
2
Ranking Based On Selection: 2
Frank B Hu
Frank B Hu
Harvard University Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,491
1,304
0.875
Medical and Health Sciences / Epidemiology and Public Health
See All Rankings and Analysis
* Last 6 Years i10 Index Rankings
Rankings
152
United States
39
3
Ranking Based On Selection: 3
Masahiro Morii
Masahiro Morii
Harvard University Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,575
1,032
0.655
Natural Sciences / Physics
Experimental Particle Physics
See All Rankings and Analysis
* Last 6 Years i10 Index Rankings
Rankings
179
United States
45
4
Ranking Based On Selection: 4
Ronald C Kessler
Ronald C Kessler
Harvard University Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,300
1,005
0.773
Medical and Health Sciences / Psychiatry
Psychiatric Epidemiology
See All Rankings and Analysis
* Last 6 Years i10 Index Rankings
Rankings
194
United States
49
5
Ranking Based On Selection: 5
Qiang Chen
Qiang Chen
Harvard University Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,270
992
0.781
Natural Sciences / Molecular Biology & Genetics
Protein Structure
Axon Guidance
See All Rankings and Analysis
* Last 6 Years i10 Index Rankings
Rankings
270
United States
71
6
Ranking Based On Selection: 6
Joel Schwartz
Joel Schwartz
Harvard University Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,142
930
0.814
Medical and Health Sciences / Epidemiology and Public Health
air pollution
metals
health
statistics
epigenetics
See All Rankings and Analysis
* Last 6 Years i10 Index Rankings
Rankings
313
United States
88
7
Ranking Based On Selection: 7
Ichiro Kawachi
Ichiro Kawachi
Harvard University Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,114
898
0.806
Medical and Health Sciences / Epidemiology and Public Health
social epidemiology
See All Rankings and Analysis
* Last 6 Years i10 Index Rankings
Rankings
440
United States
123
8
Ranking Based On Selection: 8
Paul M Ridker
Paul M Ridker
Harvard University Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,170
825
0.705
Medical and Health Sciences / Epidemiology and Public Health
See All Rankings and Analysis
* Last 6 Years i10 Index Rankings
Rankings
445
United States
125
9
Ranking Based On Selection: 9
David J Hunter
David J Hunter
Harvard University Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,157
822
0.710
Medical and Health Sciences / Epidemiology and Public Health
Cancer Epidemiology
Genetic Epidemiology
Nutritional Epidemiology
Global Health
See All Rankings and Analysis
* Last 6 Years i10 Index Rankings
Rankings
475
United States
130
10
Ranking Based On Selection: 10
Carlos A Camargo, Jr
Carlos A Camargo, Jr
Harvard University Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,047
803
0.767
Others
respiratory/allergy disorders
emergency care
health services research
nutrition
See All Rankings and Analysis

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! 

* Last 6 Years i10 Index Rankings
Rankings
478
United States
132
11
Ranking Based On Selection: 11
Keith A Johnson
Keith A Johnson
Harvard University Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
988
801
0.811
Medical and Health Sciences / Neurology
Neurology
Radiology
See All Rankings and Analysis
* Last 6 Years i10 Index Rankings
Rankings
538
United States
142
12
Ranking Based On Selection: 12
Eric Rimm
Eric Rimm
Harvard University Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
920
778
0.846
Medical and Health Sciences / Epidemiology and Public Health
Professor of Epidemiology
See All Rankings and Analysis
* Last 6 Years i10 Index Rankings
Rankings
649
United States
174
13
Ranking Based On Selection: 13
David Bates
David Bates
Harvard University Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,038
732
0.705
Medical and Health Sciences / Health Sciences
Patient safety
medication safety
medical informatics
quality
clinical decision support
See All Rankings and Analysis
* Last 6 Years i10 Index Rankings
Rankings
653
United States
176
14
Ranking Based On Selection: 14
Melissa Franklin
Melissa Franklin
Harvard University Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,156
730
0.631
Natural Sciences / Physics
particle physics
women in physics
See All Rankings and Analysis
* Last 6 Years i10 Index Rankings
Rankings
686
United States
181
15
Ranking Based On Selection: 15
David A Weitz
David A Weitz
Harvard University Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
880
716
0.814
Natural Sciences / Physics
See All Rankings and Analysis
* Last 6 Years i10 Index Rankings
Rankings
698
United States
185
16
Ranking Based On Selection: 16
Susan Redline
Susan Redline
Harvard University Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
829
710
0.856
Medical and Health Sciences / Chest Diseases
sleep medicine
epidemiology
See All Rankings and Analysis
* Last 6 Years i10 Index Rankings
Rankings
713
United States
187
17
Ranking Based On Selection: 17
Joao Guimaraes Da Costa
Joao Guimaraes Da Costa
Harvard University Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,216
705
0.580
Natural Sciences / Physics
See All Rankings and Analysis
* Last 6 Years i10 Index Rankings
Rankings
717
United States
189
18
Ranking Based On Selection: 18
Henning Tiemeier
Henning Tiemeier
Harvard University Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
796
705
0.886
Social Sciences / Social Science
Cohort studies
Neurodevelopment
Sleep
Child Development
See All Rankings and Analysis
* Last 6 Years i10 Index Rankings
Rankings
744
United States
194
19
Ranking Based On Selection: 19
Alvaro Pascual Leone
Alvaro Pascual Leone
Harvard University Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
855
694
0.812
Medical and Health Sciences / Neurology
See All Rankings and Analysis
* Last 6 Years i10 Index Rankings
Rankings
768
United States
204
20
Ranking Based On Selection: 20
Ralph Weissleder
Ralph Weissleder
Harvard University Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1,021
680
0.666
Natural Sciences / Biological Science
Biotechnology
imaging
drugs
See All Rankings and Analysis
* Last 6 Years i10 Index Rankings
Rankings
772
United States
206
21
Ranking Based On Selection: 21
Peter Libby
Peter Libby
Harvard University Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
939
679
0.723
Medical and Health Sciences / Epidemiology and Public Health
medicine
cardiology
atherosclerosis
immunology
See All Rankings and Analysis
* Last 6 Years i10 Index Rankings
Rankings
824
United States
223
22
Ranking Based On Selection: 22
Toni Choueiri
Toni Choueiri
Harvard University Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
843
660
0.783
Natural Sciences / Molecular Biology & Genetics
Genitourinary Oncology
See All Rankings and Analysis
* Last 6 Years i10 Index Rankings
Rankings
889
United States
245
23
Ranking Based On Selection: 23
Peter Kraft
Peter Kraft
Harvard University Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
775
637
0.822
Natural Sciences / Molecular Biology & Genetics
Genetic epidemiology
cancer
statistics
biostatistcs
See All Rankings and Analysis
* Last 6 Years i10 Index Rankings
Rankings
968
United States
264
24
Ranking Based On Selection: 24
Andrew T Chan
Andrew T Chan
Harvard University Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
681
611
0.897
Medical and Health Sciences / Epidemiology and Public Health
Epidemiology
microbiome
cancer prevention
See All Rankings and Analysis
* Last 6 Years i10 Index Rankings
Rankings
1,040
United States
284
25
Ranking Based On Selection: 25
Mark Daly
Mark Daly
Harvard University Cambridge, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
728
589
0.809
Natural Sciences / Molecular Biology & Genetics
Genetics
See All Rankings and Analysis