Citation Rankings
Highly Cited Researchers

Highly Cited Researchers 150 Scientists Citation Rankings - 2025

Discover the world’s highly cited researchers through the AD Scientific Index 2025 Citation Rankings.
These rankings evaluate scientists based on their total and recent citation counts, capturing the breadth and real-time currency of academic recognition. Citation data reveals how widely a scholar’s work is referenced, applied, and extended across diverse disciplines. The rankings are routinely updated to reflect ongoing citation growth, while eliminating distortions from excessive co-authorship and institutional inflation. Premium tools provide access to detailed citation dynamics, unethical citation behavior detection, and field-normalized benchmarking.

* Total Citation Counts Rankings
Ranking Based On Selection: 1
Norway
Gudbrand Lien
Agricultural economics
energy economic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,714
4,245
0.437
* Total Citation Counts Rankings
Ranking Based On Selection: 2
Norway
Bent R Rønnestad
Exercise Physiology
Sports performanc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,510
4,613
0.542
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Norway
Jon M Arnemo
One Health
Conservation Medicine
Wildlife Anesthesia
Wound Ballistics
Environmental Lead Exposur
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,495
3,963
0.467
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Norway
Carlos Martín
biorefineries
cellulosic ethanol
pretreatmen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,261
3,772
0.457
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Norway
Bård Tronvoll
Marketing theory
Value co-creation
Digitalization
Service Recover
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,015
4,927
0.615
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Norway
Tristram Hooley
Career
career guidance
social justic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,056
3,607
0.511
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Norway
Harry P Andreassen
Population Ecology
Conservation Biology
Ecosystem
Voles
Carnivore
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,737
2,011
0.299
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Norway
Barbara Zimmermann
Ecology
wildlif
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,076
2,699
0.532
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Norway
Tore Bonsaksen
mental health
occupational therapy
education research
health psychology
public healt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,424
3,518
0.795

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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Norway
Terje Slåtten
Service quality
Innovation
Sponsorship
Creativity
Leadershi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,075
2,471
0.606
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Norway
Stian Ellefsen
Physiology
Cell Biology and Molecular Biolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,524
2,266
0.643
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Norway
Stiliani Ani Chroni
Sport Psycholog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,227
1,420
0.440
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Norway
Elisabeth Ersvær
Immunology
Hematology
molecular biology
flow cytometry
cytokine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,060
1,119
0.366
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Norway
Giovanna Calogiuri
Physical activity & health
Green-exercise
Biological rhythms & exercise
Rest-activity rhythm
Actigraphy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,968
2,272
0.765
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Norway
Alina Evans
Ecophysiolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,725
1,755
0.644
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Norway
Mahmood Khosrowjerdi|محمود خسروجردی, Mahmood Khosrojerdi
public libraries
academic libraries
cultural studies
health communications & metric
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,374
2,198
0.926
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Norway
Scott Michael Brainerd
Wildlife management and ecolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,991
661
0.332
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Norway
Martin Nkosi Ndlela
Media studies
organization communication
crisis communication
strategic communicatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,823
899
0.493
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Norway
Svein Øivind Solberg
genetic resources
biodiversity
climate change
agronom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,802
1,482
0.822
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Norway
Per Normann Andersen
neuropsychology
neuropsychiatry
autism spectrum disorder
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,719
1,128
0.656
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Norway
Kari Kvaal
Department of Science
Inland Norway University of Applied Sciences
Norwa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,664
655
0.394
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Norway
Åshild Lappegard Hauge
Environmental psychology
qualitative method
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,628
884
0.543
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Norway
Arild Granerud
mental healt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,610
1,026
0.637
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Norway
Halvor Fauske
sosialt arbeid
sosiolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,317
557
0.423
* Total Citation Counts Rankings
Rankings
108,750
Norway
676
1
Ranking Based On Selection: 1
Gudbrand Lien
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,714
4,245
0.437
* Total Citation Counts Rankings
Rankings
126,168
Norway
788
2
Ranking Based On Selection: 2
Bent R Rønnestad
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,510
4,613
0.542
Exercise Physiology
Sports performanc
* Total Citation Counts Rankings
Rankings
126,410
Norway
791
3
Ranking Based On Selection: 3
Jon M Arnemo
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,495
3,963
0.467
One Health
Conservation Medicine
Wildlife Anesthesia
Wound Ballistics
Environmental Lead Exposur
* Total Citation Counts Rankings
Rankings
130,411
Norway
824
4
Ranking Based On Selection: 4
Carlos Martín
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,261
3,772
0.457
biorefineries
cellulosic ethanol
pretreatmen
* Total Citation Counts Rankings
Rankings
134,890
Norway
858
5
Ranking Based On Selection: 5
Bård Tronvoll
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,015
4,927
0.615
Marketing theory
Value co-creation
Digitalization
Service Recover
* Total Citation Counts Rankings
Rankings
154,528
Norway
996
6
Ranking Based On Selection: 6
Tristram Hooley
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,056
3,607
0.511
* Total Citation Counts Rankings
Rankings
162,138
Norway
1,045
7
Ranking Based On Selection: 7
Harry P Andreassen
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,737
2,011
0.299
Population Ecology
Conservation Biology
Ecosystem
Voles
Carnivore
* Total Citation Counts Rankings
Rankings
214,854
Norway
1,429
8
Ranking Based On Selection: 8
Barbara Zimmermann
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,076
2,699
0.532
* Total Citation Counts Rankings
Rankings
244,257
Norway
1,660
9
Ranking Based On Selection: 9
Tore Bonsaksen
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,424
3,518
0.795
mental health
occupational therapy
education research
health psychology
public healt
* Total Citation Counts Rankings
Rankings
263,581
Norway
1,808
10
Ranking Based On Selection: 10
Terje Slåtten
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,075
2,471
0.606
Service quality
Innovation
Sponsorship
Creativity
Leadershi

Smart Institutional Plan

Powerful Insights + Smart Membership = Institutional Success
Unlock 360° Real-Time Institutional Analysis to identify your institution’s strengths and areas for improvement.

* Total Citation Counts Rankings
Rankings
288,683
Norway
2,015
11
Ranking Based On Selection: 11
Miranda Thurston
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,670
1,772
0.483
* Total Citation Counts Rankings
Rankings
298,800
Norway
2,076
12
Ranking Based On Selection: 12
Stian Ellefsen
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,524
2,266
0.643
* Total Citation Counts Rankings
Rankings
321,850
Norway
2,220
13
Ranking Based On Selection: 13
Stiliani Ani Chroni
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,227
1,420
0.440
* Total Citation Counts Rankings
Rankings
336,204
Norway
2,330
14
Ranking Based On Selection: 14
Elisabeth Ersvær
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,060
1,119
0.366
Immunology
Hematology
molecular biology
flow cytometry
cytokine
* Total Citation Counts Rankings
Rankings
344,591
Norway
2,395
15
Ranking Based On Selection: 15
Giovanna Calogiuri
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,968
2,272
0.765
Physical activity & health
Green-exercise
Biological rhythms & exercise
Rest-activity rhythm
Actigraphy
* Total Citation Counts Rankings
Rankings
369,105
Norway
2,581
16
Ranking Based On Selection: 16
Alina Evans
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,725
1,755
0.644
* Total Citation Counts Rankings
Rankings
409,936
Norway
2,882
17
Ranking Based On Selection: 17
Mahmood Khosrowjerdi|محمود خسروجردی, Mahmood Khosrojerdi
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,374
2,198
0.926
public libraries
academic libraries
cultural studies
health communications & metric
* Total Citation Counts Rankings
Rankings
465,638
Norway
3,269
18
Ranking Based On Selection: 18
Scott Michael Brainerd
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,991
661
0.332
* Total Citation Counts Rankings
Rankings
494,791
Norway
3,462
19
Ranking Based On Selection: 19
Martin Nkosi Ndlela
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,823
899
0.493
Media studies
organization communication
crisis communication
strategic communicatio
* Total Citation Counts Rankings
Rankings
498,623
Norway
3,492
20
Ranking Based On Selection: 20
Svein Øivind Solberg
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,802
1,482
0.822
* Total Citation Counts Rankings
Rankings
514,700
Norway
3,618
21
Ranking Based On Selection: 21
Per Normann Andersen
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,719
1,128
0.656
neuropsychology
neuropsychiatry
autism spectrum disorder
* Total Citation Counts Rankings
Rankings
525,852
Norway
3,685
22
Ranking Based On Selection: 22
Kari Kvaal
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,664
655
0.394
Department of Science
Inland Norway University of Applied Sciences
Norwa
* Total Citation Counts Rankings
Rankings
533,011
Norway
3,731
23
Ranking Based On Selection: 23
Åshild Lappegard Hauge
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,628
884
0.543
Environmental psychology
qualitative method
* Total Citation Counts Rankings
Rankings
536,783
Norway
3,755
24
Ranking Based On Selection: 24
Arild Granerud
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,610
1,026
0.637
* Total Citation Counts Rankings
Rankings
607,038
Norway
4,238
25
Ranking Based On Selection: 25
Halvor Fauske
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,317
557
0.423