Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 306 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
marine conservation
biological invasions
marine ecology
marine biodiversity
ecological monitorin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,069
11,972
0.597
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* Total Citation Counts Rankings
Ranking Based On Selection: 2
Pollination ecology
ecogeography of the Aegean
natural resource
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,345
5,864
0.475
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Text mining
Information retrieval
Machine learnin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,141
4,883
0.402
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Ecosystem Ecology
Global Change
Ecological Modelling
Forest Dynamic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,953
6,629
0.555
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Biodiversity
Community ecology
Serpentine ecology
Functional ecology
Experimental Ecolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,298
5,250
0.465
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Wastewater Treatment
Emerging Contaminants
Water Pollutio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,361
5,373
0.519
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Network Securit
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,133
6,184
0.610
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Oceanography
Marine Geology
Coastal Geology
Sediment Dynamics
Climate impact
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,930
5,304
0.534
* Total Citation Counts Rankings
Ranking Based On Selection: 9
govtech
digital government
interoperability
open data
digital entrepreneurshi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,852
5,011
0.509
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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Ecology
Biodiversity Conservatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,168
2,190
0.268
* Total Citation Counts Rankings
Ranking Based On Selection: 11
e-tourism
pervasive computing
mobile computing
extended realit
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,761
3,040
0.392
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Human Nutrition
Human Wellness
Public Health
Nutritional Pathophysiolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,666
4,054
0.529
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Networking
Communication System
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,525
5,762
0.766
* Total Citation Counts Rankings
Ranking Based On Selection: 14
τοξικες οργανικες ενωσεις
υδατινο περιβαλλον
θαλασσια ιζηματα
αναλυσ�
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,197
1,912
0.266
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Port Economics
Port Policy and Management
Ports
Cruise
European Integration & maritime transport policie
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,912
3,200
0.463
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Information Systems
Decision Support Systems
e-Government
e-Participatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,620
3,237
0.489
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Emerging Pollutants
Disinfection By Products
Use Of GAC
Water Filtration
EU Priority Compound
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,493
1,515
0.233
* Total Citation Counts Rankings
Ranking Based On Selection: 18
air transport
tourism
regional development
competition policy
spatial risk managemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,460
2,364
0.366
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Air Pollution
Aerosol
Particulate Matter
Scatterin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,957
1,203
0.202
* Total Citation Counts Rankings
Ranking Based On Selection: 20
image processing
cultural informatics
digital culture
digital twins
reality modellin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,703
2,123
0.372
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Biogeography
ecosystem functioning
ecosystem services
invasion ecology
landscape ecolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,608
2,963
0.528
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Sensors
Big Data
Spatial Computing
Distributed Computing
Machine Learnin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,217
2,448
0.469
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Information security management
Information privac
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,735
2,433
0.514
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Transport
Travel Demand Forecasting
Happiness Research
MaaS
Business Model
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,726
2,247
0.475
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Marine Ecology
Fisheries
Conservation Biology
Marine Biodiversit
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,423
1,845
0.417
* Total Citation Counts Rankings
Rankings
43,337
191
1
Ranking Based On Selection: 1
Stelios Katsanevakis
University of the Aegean
Mytilene, Greece
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,069
11,972
0.597
marine conservation
biological invasions
marine ecology
marine biodiversity
ecological monitorin
* Total Citation Counts Rankings
Rankings
81,876
410
2
Ranking Based On Selection: 2
Theodora Petanidou
University of the Aegean
Mytilene, Greece
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,345
5,864
0.475
Pollination ecology
ecogeography of the Aegean
natural resource
* Total Citation Counts Rankings
Rankings
83,631
421
3
Ranking Based On Selection: 3
Efstathios Stamatatos
University of the Aegean
Mytilene, Greece
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,141
4,883
0.402
Text mining
Information retrieval
Machine learnin
* Total Citation Counts Rankings
Rankings
85,229
440
4
Ranking Based On Selection: 4
Nikolaos M Fyllas
University of the Aegean
Mytilene, Greece
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,953
6,629
0.555
Ecosystem Ecology
Global Change
Ecological Modelling
Forest Dynamic
* Total Citation Counts Rankings
Rankings
91,230
483
5
Ranking Based On Selection: 5
Panayiotis G Dimitrakopoulos
University of the Aegean
Mytilene, Greece
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,298
5,250
0.465
Biodiversity
Community ecology
Serpentine ecology
Functional ecology
Experimental Ecolog
* Total Citation Counts Rankings
Rankings
100,867
557
6
Ranking Based On Selection: 6
Athanasios S Stasinakis
University of the Aegean
Mytilene, Greece
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,361
5,373
0.519
Wastewater Treatment
Emerging Contaminants
Water Pollutio
* Total Citation Counts Rankings
Rankings
103,581
583
7
Ranking Based On Selection: 7
Georgios Kambourakis
University of the Aegean
Mytilene, Greece
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,133
6,184
0.610
* Total Citation Counts Rankings
Rankings
105,958
601
8
Ranking Based On Selection: 8
Adonis Velegrakis
University of the Aegean
Mytilene, Greece
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,930
5,304
0.534
Oceanography
Marine Geology
Coastal Geology
Sediment Dynamics
Climate impact
* Total Citation Counts Rankings
Rankings
106,882
613
9
Ranking Based On Selection: 9
Yannis Charalabidis
University of the Aegean
Mytilene, Greece
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,852
5,011
0.509
govtech
digital government
interoperability
open data
digital entrepreneurshi
* Total Citation Counts Rankings
Rankings
131,961
794
10
Ranking Based On Selection: 10
Andreas Troumbis
University of the Aegean
Mytilene, Greece
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,168
2,190
0.268
Ecology
Biodiversity Conservatio
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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
139,513
859
11
Ranking Based On Selection: 11
Damianos Gavalas
University of the Aegean
Mytilene, Greece
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,761
3,040
0.392
e-tourism
pervasive computing
mobile computing
extended realit
* Total Citation Counts Rankings
Rankings
141,377
873
12
Ranking Based On Selection: 12
Constantinos Giaginis
University of the Aegean
Mytilene, Greece
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,666
4,054
0.529
Human Nutrition
Human Wellness
Public Health
Nutritional Pathophysiolog
* Total Citation Counts Rankings
Rankings
144,228
898
13
Ranking Based On Selection: 13
Charalabos Skianis
University of the Aegean
Mytilene, Greece
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,525
5,762
0.766
Networking
Communication System
* Total Citation Counts Rankings
Rankings
151,164
953
14
Ranking Based On Selection: 14
Anastasia Nikolaou
University of the Aegean
Mytilene, Greece
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,197
1,912
0.266
τοξικες οργανικες ενωσεις
υδατινο περιβαλλον
θαλασσια ιζηματα
αναλυσ�
* Total Citation Counts Rankings
Rankings
157,741
1,023
15
Ranking Based On Selection: 15
Athanasios Thanos A Pallis|Thanos Pallis, Θάνος Πάλλης, Aθανάσιος Πάλλης
University of the Aegean
Mytilene, Greece
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,912
3,200
0.463
Port Economics
Port Policy and Management
Ports
Cruise
European Integration & maritime transport policie
* Total Citation Counts Rankings
Rankings
164,961
1,094
16
Ranking Based On Selection: 16
Loukis Euripidis
University of the Aegean
Mytilene, Greece
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,620
3,237
0.489
Information Systems
Decision Support Systems
e-Government
e-Participatio
* Total Citation Counts Rankings
Rankings
168,318
1,129
17
Ranking Based On Selection: 17
Themistokles Lekkas
University of the Aegean
Mytilene, Greece
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,493
1,515
0.233
Emerging Pollutants
Disinfection By Products
Use Of GAC
Water Filtration
EU Priority Compound
* Total Citation Counts Rankings
Rankings
169,238
1,139
18
Ranking Based On Selection: 18
Andreas Papatheodorou
University of the Aegean
Mytilene, Greece
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,460
2,364
0.366
air transport
tourism
regional development
competition policy
spatial risk managemen
* Total Citation Counts Rankings
Rankings
183,629
1,265
19
Ranking Based On Selection: 19
Christodoulos Pilinis
University of the Aegean
Mytilene, Greece
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,957
1,203
0.202
Air Pollution
Aerosol
Particulate Matter
Scatterin
* Total Citation Counts Rankings
Rankings
191,671
1,324
20
Ranking Based On Selection: 20
Christos Nikolaos Anagnostopoulos
University of the Aegean
Mytilene, Greece
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,703
2,123
0.372
image processing
cultural informatics
digital culture
digital twins
reality modellin
* Total Citation Counts Rankings
Rankings
194,802
1,361
21
Ranking Based On Selection: 21
T Tscheulin
University of the Aegean
Mytilene, Greece
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,608
2,963
0.528
Biogeography
ecosystem functioning
ecosystem services
invasion ecology
landscape ecolog
* Total Citation Counts Rankings
Rankings
209,041
1,475
22
Ranking Based On Selection: 22
Dimitris Zissis
University of the Aegean
Mytilene, Greece
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,217
2,448
0.469
Sensors
Big Data
Spatial Computing
Distributed Computing
Machine Learnin
* Total Citation Counts Rankings
Rankings
229,263
1,668
23
Ranking Based On Selection: 23
Spyros Kokolakis
University of the Aegean
Mytilene, Greece
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,735
2,433
0.514
* Total Citation Counts Rankings
Rankings
229,683
1,670
24
Ranking Based On Selection: 24
Amalia Polydoropoulou
University of the Aegean
Mytilene, Greece
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,726
2,247
0.475
Transport
Travel Demand Forecasting
Happiness Research
MaaS
Business Model
* Total Citation Counts Rankings
Rankings
244,143
1,812
25
Ranking Based On Selection: 25
Drosos Koutsoubas
University of the Aegean
Mytilene, Greece
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,423
1,845
0.417
Marine Ecology
Fisheries
Conservation Biology
Marine Biodiversit