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
![Sukhsimranjit Singh](/user/assets/images/profile/no-profile-photo.png)
Mediation
Arbitration
Negotiation
Cross-Cultural Dispute Resolution
International dispute resolution
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
153
42
0.275
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Cristina B Gibson](/user/assets/images/profile/no-profile-photo.png)
Organizational Behavior
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
112
94
0.839
* Total i10 IndexRankings
Ranking Based On Selection: 3
![Cristel Antonia Russell](https://cdn.adscientificindex.com/pictures/27/892602.jpg)
narrative
consumer behavior
entertainment
media
branding
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
74
57
0.770
* Total i10 IndexRankings
Ranking Based On Selection: 4
![Christopher Worley](/user/assets/images/profile/no-profile-photo.png)
Organization development and agility
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
66
41
0.621
* Total i10 IndexRankings
Ranking Based On Selection: 5
![Lee B Kats](/user/assets/images/profile/no-profile-photo.png)
Conservation Biology
Animal Behavior
Ecology
Amphibian Biology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
58
36
0.621
* Total i10 IndexRankings
Ranking Based On Selection: 6
![Maretno Agus Harjoto](https://cdn.adscientificindex.com/pictures/a3/882377.jpg)
ESG
Corporate Governance
Diversity
Climate Change
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
53
45
0.849
* Total i10 IndexRankings
Ranking Based On Selection: 7
![Karen Lm Martin](https://cdn.adscientificindex.com/pictures/46/892581.jpg)
coastal eco-physiology
fishes
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
50
24
0.480
* Total i10 IndexRankings
Ranking Based On Selection: 8
![Carol Falender](https://cdn.adscientificindex.com/pictures/95/1768228.jpg)
Clinical supervision
ethics of supervision
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
43
29
0.674
* Total i10 IndexRankings
Ranking Based On Selection: 9
![Cindy Miller Perrin](/user/assets/images/profile/no-profile-photo.png)
child maltreatment
family violence
faith
life purpose
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
30
0.714
* Total i10 IndexRankings
Ranking Based On Selection: 10
![James E Prieger](https://cdn.adscientificindex.com/pictures/32/882442.jpg)
Regulatory economics
applied econometrics
economics and public policy
broadband policy
tobacco and nicotine policy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
18
0.439
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: 11
![Elizabeth Krumrei Mancuso](https://cdn.adscientificindex.com/pictures/6b/892580.jpg)
religion
spirituality
intellectual humility
positive psychology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
31
0.816
* Total i10 IndexRankings
Ranking Based On Selection: 12
![Kevin Groves](/user/assets/images/profile/no-profile-photo.png)
leadership
succession planning
transformational leadership
emotional intelligence
linear/nonlinear thinking style
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
30
0.811
* Total i10 IndexRankings
Ranking Based On Selection: 13
![Thomas J Stipanowich](https://cdn.adscientificindex.com/pictures/61/898102.jpg)
Dispute Resolution
Arbitration
Mediation
International
ADR
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
19
0.514
* Total i10 IndexRankings
Ranking Based On Selection: 14
![Adel C. Najdowski](https://cdn.adscientificindex.com/pictures/28/4990726.jpg)
teaching higher-order skills to children with autism
social justice
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
27
0.771
* Total i10 IndexRankings
Ranking Based On Selection: 15
![Luisa Blanco](/user/assets/images/profile/no-profile-photo.png)
Economics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
34
24
0.706
* Total i10 IndexRankings
Ranking Based On Selection: 16
![Robert F Cochran](https://cdn.adscientificindex.com/pictures/da/887063.jpg)
Law and religion
torts
legal ethics
criminal law
client counseling
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
33
3
0.091
* Total i10 IndexRankings
Ranking Based On Selection: 17
![Eric Hamilton](https://cdn.adscientificindex.com/pictures/ac/882770.jpg)
learning sciences
learning technology
STEM workforce
competence-based curriculum
political discourse
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
16
0.500
* Total i10 IndexRankings
Ranking Based On Selection: 18
![Mike Or Michael Hale](https://cdn.adscientificindex.com/pictures/bb/885487.jpg)
Drug Development or Statistics or Biomarkers or Pharmacokinetics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
12
0.414
* Total i10 IndexRankings
Ranking Based On Selection: 19
![Jennifer Harriger](https://cdn.adscientificindex.com/pictures/ac/894816.jpg)
Body image
Children
Weight bias
Social media
Eating disorders
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
27
0.964
* Total i10 IndexRankings
Ranking Based On Selection: 20
![Robert J Pushaw](/user/assets/images/profile/no-profile-photo.png)
Constitutional Law
Federal Courts
Legal History
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
8
0.296
* Total i10 IndexRankings
Ranking Based On Selection: 21
![Brian Newman](https://cdn.adscientificindex.com/pictures/89/894618.jpg)
Political Equality
Representation
Presidential Approval Ratings
Religion and Politics
Public Opinion
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
18
0.720
* Total i10 IndexRankings
Ranking Based On Selection: 22
![Steven V Rouse](https://cdn.adscientificindex.com/pictures/6a/892582.jpg)
Personality Assessment
Personality
Psychometrics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
11
0.440
* Total i10 IndexRankings
Ranking Based On Selection: 23
![Rebecca Kim](https://cdn.adscientificindex.com/pictures/c5/894208.jpg)
ethnicity
race
religion
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
13
0.542
* Total i10 IndexRankings
Ranking Based On Selection: 24
![Dan Caldwell](https://cdn.adscientificindex.com/pictures/e4/894619.jpg)
International relations
arms control
American foreign policy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
8
0.333
* Total i10 IndexRankings
Ranking Based On Selection: 25
![Joel Fetzer](https://cdn.adscientificindex.com/pictures/65/894617.jpg)
migration
religion and politics
ethnic relations
comparative politics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
16
0.696
Sukhsimranjit Singh
Pepperdine University
Malibu, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
153
42
0.275
Mediation
Arbitration
Negotiation
Cross-Cultural Dispute Resolution
International dispute resolution
Cristina B Gibson
Pepperdine University
Malibu, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
112
94
0.839
Organizational Behavior
Cristel Antonia Russell
Pepperdine University
Malibu, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
74
57
0.770
Christopher Worley
Pepperdine University
Malibu, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
66
41
0.621
Organization development and agility
Lee B Kats
Pepperdine University
Malibu, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
58
36
0.621
Conservation Biology
Animal Behavior
Ecology
Amphibian Biology
Maretno Agus Harjoto
Pepperdine University
Malibu, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
53
45
0.849
ESG
Corporate Governance
Diversity
Climate Change
Karen Lm Martin
Pepperdine University
Malibu, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
50
24
0.480
coastal eco-physiology
fishes
Carol Falender
Pepperdine University
Malibu, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
43
29
0.674
Cindy Miller Perrin
Pepperdine University
Malibu, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
30
0.714
James E Prieger
Pepperdine University
Malibu, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
18
0.439
Regulatory economics
applied econometrics
economics and public policy
broadband policy
tobacco and nicotine policy
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!
Elizabeth Krumrei Mancuso
Pepperdine University
Malibu, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
31
0.816
religion
spirituality
intellectual humility
positive psychology
Kevin Groves
Pepperdine University
Malibu, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
30
0.811
leadership
succession planning
transformational leadership
emotional intelligence
linear/nonlinear thinking style
Thomas J Stipanowich
Pepperdine University
Malibu, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
19
0.514
Dispute Resolution
Arbitration
Mediation
International
ADR
Adel C. Najdowski
Pepperdine University
Malibu, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
27
0.771
teaching higher-order skills to children with autism
social justice
Luisa Blanco
Pepperdine University
Malibu, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
34
24
0.706
Robert F Cochran
Pepperdine University
Malibu, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
33
3
0.091
Law and religion
torts
legal ethics
criminal law
client counseling
Eric Hamilton
Pepperdine University
Malibu, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
16
0.500
learning sciences
learning technology
STEM workforce
competence-based curriculum
political discourse
Mike Or Michael Hale
Pepperdine University
Malibu, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
12
0.414
Drug Development or Statistics or Biomarkers or Pharmacokinetics
Jennifer Harriger
Pepperdine University
Malibu, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
27
0.964
Body image
Children
Weight bias
Social media
Eating disorders
Robert J Pushaw
Pepperdine University
Malibu, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
8
0.296
Constitutional Law
Federal Courts
Legal History
Brian Newman
Pepperdine University
Malibu, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
18
0.720
Political Equality
Representation
Presidential Approval Ratings
Religion and Politics
Public Opinion
Steven V Rouse
Pepperdine University
Malibu, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
11
0.440
Rebecca Kim
Pepperdine University
Malibu, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
13
0.542
Dan Caldwell
Pepperdine University
Malibu, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
8
0.333
International relations
arms control
American foreign policy
Joel Fetzer
Pepperdine University
Malibu, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
16
0.696
migration
religion and politics
ethnic relations
comparative politics