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: 1
![K Gourgoulianis](https://cdn.adscientificindex.com/pictures/a2/1843586.jpg)
University of Thessaly
Respiratory Medicine
COPD
Pleura
sleep apnea
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
359
213
0.593
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Dardiotis Efthimios](https://cdn.adscientificindex.com/pictures/a4/1840357.jpg)
Neurology
Neurogenetics
Neuroimmunology
Multiple Sclerosis
Alzheimer's disease
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
320
288
0.900
* Total i10 IndexRankings
Ranking Based On Selection: 3
![Christos Athanassiou](https://cdn.adscientificindex.com/pictures/51/1839990.jpg)
Entomology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
320
268
0.838
* Total i10 IndexRankings
Ranking Based On Selection: 4
![Georgios M. Hadjigeorgiou](https://cdn.adscientificindex.com/pictures/6b/1842288.jpg)
Neurology
Neurogenetics
Restless Legs Syndrome
Parkinson's disease
Multiple Sclerosis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
291
218
0.749
* Total i10 IndexRankings
Ranking Based On Selection: 5
![George Dalekos](https://cdn.adscientificindex.com/pictures/17/1841954.jpg)
Internal Medicine
Liver Diseases
Clinical Immunology
Viral and Autoimmune Liver Diseases
Zoonotic Infectious Diseases
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
288
185
0.642
* Total i10 IndexRankings
Ranking Based On Selection: 6
![Dimitrios Bogdanos](https://cdn.adscientificindex.com/pictures/06/1840508.jpg)
Autoimmunity
Autoimmune Liver Diseases
Autoimmune Rheumatic Diseases
IBD
MS
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
283
213
0.753
* Total i10 IndexRankings
Ranking Based On Selection: 7
![Panagiotis E Tsiakaras](https://cdn.adscientificindex.com/pictures/e4/4305334.jpg)
Catalysis
Electrocatalysis
Electrochemical Devices for Energy Conversion and Storage
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
263
223
0.848
* Total i10 IndexRankings
Ranking Based On Selection: 8
![Yiannis Koutedakis](https://cdn.adscientificindex.com/pictures/b5/1847950.jpg)
Exercise Science
Sport Sciences
Exercise
Health
Fitness
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
240
182
0.758
* Total i10 IndexRankings
Ranking Based On Selection: 9
![Christos Hadjichristodoulou](https://cdn.adscientificindex.com/pictures/05/1840024.jpg)
Epidemiology
Public Health
Preventive Medicine
Infectious diseases
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
227
159
0.700
* Total i10 IndexRankings
Ranking Based On Selection: 10
![George Ntaios](https://cdn.adscientificindex.com/pictures/e7/1842089.jpg)
Internal Medicine
Cardiovascular Medicine
Stroke Medicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
220
179
0.814
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* Total i10 IndexRankings
Ranking Based On Selection: 11
![Dimitrios Kouretas](https://cdn.adscientificindex.com/pictures/98/1840563.jpg)
antioxidants in food
redox biology
oxidative stress markers
food toxicology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
213
172
0.808
* Total i10 IndexRankings
Ranking Based On Selection: 12
![Stefanidis Ioannis](/user/assets/images/profile/no-profile-photo.png)
nephrology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
211
116
0.550
* Total i10 IndexRankings
Ranking Based On Selection: 13
![George E Halkos](https://cdn.adscientificindex.com/pictures/8b/1846250.jpg)
Economics of Natural Resources
Environmental Economics
Energy Economics
Applied Economics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
208
156
0.750
* Total i10 IndexRankings
Ranking Based On Selection: 14
![Elpiniki Papageorgiou](https://cdn.adscientificindex.com/pictures/14/1841255.jpg)
Intelligent Systems
Fuzzy Cognitive Maps
Decision Support Systems
Data Mining
Software Engineering and Knowledge-based syste
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
198
149
0.753
* Total i10 IndexRankings
Ranking Based On Selection: 15
![Elias Zintzaras](https://cdn.adscientificindex.com/pictures/4f/1841226.jpg)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
198
101
0.510
* Total i10 IndexRankings
Ranking Based On Selection: 16
![Thanasis Jamurtas](https://cdn.adscientificindex.com/pictures/fe/1847183.jpg)
Biochemistry of Exercise
Nutrient Metabolism
Redox Status and Exercise
Eccentric Exercise and muscle damage
Opioids and Alco
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
189
152
0.804
* Total i10 IndexRankings
Ranking Based On Selection: 17
![Andreas D Flouris](https://cdn.adscientificindex.com/pictures/fd/1838839.jpg)
Environmental Physiology
Occupational Physiology
Thermoregulation
Heat stress
Clothing
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
189
144
0.762
* Total i10 IndexRankings
Ranking Based On Selection: 18
![Athanasios Giannoukas](https://cdn.adscientificindex.com/pictures/ea/1839376.jpg)
Vascular Surgery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
169
104
0.615
* Total i10 IndexRankings
Ranking Based On Selection: 19
![Petinaki Efi](https://cdn.adscientificindex.com/pictures/95/1846137.jpg)
Microbiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
168
86
0.512
* Total i10 IndexRankings
Ranking Based On Selection: 20
![Dimitris P Makris Dic](https://cdn.adscientificindex.com/pictures/c5/1840719.jpg)
antioxidants
biomass valorization
food waste valorization
green processes
polyphenols
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
160
127
0.794
* Total i10 IndexRankings
Ranking Based On Selection: 21
![GC Fthenakis](https://cdn.adscientificindex.com/pictures/e5/1841890.jpg)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
159
99
0.623
* Total i10 IndexRankings
Ranking Based On Selection: 22
![Yannis Theodorakis](https://cdn.adscientificindex.com/pictures/e7/1847931.jpg)
sport
exercise
health
psychology
physical education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
157
91
0.580
* Total i10 IndexRankings
Ranking Based On Selection: 23
![Spiros Petropoulos](https://cdn.adscientificindex.com/pictures/f6/1846720.jpg)
agronomy
vegetable production
bioactive properties
fruit quality
wild edible species
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
151
143
0.947
* Total i10 IndexRankings
Ranking Based On Selection: 24
![Ioannis Fatouros](https://cdn.adscientificindex.com/pictures/be/1842952.jpg)
Exercise biochemistry
exercise immunology
pediatric exercise science
sports nutrition
strength and conditioning
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
151
128
0.848
* Total i10 IndexRankings
Ranking Based On Selection: 25
![Nikolaos Papadopoulos](https://cdn.adscientificindex.com/pictures/8b/1845368.jpg)
Entomology
insect behavior
Behavioral ecology
fruit flies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
147
98
0.667
K Gourgoulianis
University of Thessaly
Volos, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
359
213
0.593
University of Thessaly
Respiratory Medicine
COPD
Pleura
sleep apnea
Dardiotis Efthimios
University of Thessaly
Volos, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
320
288
0.900
Neurology
Neurogenetics
Neuroimmunology
Multiple Sclerosis
Alzheimer's disease
Christos Athanassiou
University of Thessaly
Volos, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
320
268
0.838
Georgios M. Hadjigeorgiou
University of Thessaly
Volos, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
291
218
0.749
Neurology
Neurogenetics
Restless Legs Syndrome
Parkinson's disease
Multiple Sclerosis
George Dalekos
University of Thessaly
Volos, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
288
185
0.642
Internal Medicine
Liver Diseases
Clinical Immunology
Viral and Autoimmune Liver Diseases
Zoonotic Infectious Diseases
Dimitrios Bogdanos
University of Thessaly
Volos, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
283
213
0.753
Autoimmunity
Autoimmune Liver Diseases
Autoimmune Rheumatic Diseases
IBD
MS
Panagiotis E Tsiakaras
University of Thessaly
Volos, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
263
223
0.848
Catalysis
Electrocatalysis
Electrochemical Devices for Energy Conversion and Storage
Yiannis Koutedakis
University of Thessaly
Volos, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
240
182
0.758
Exercise Science
Sport Sciences
Exercise
Health
Fitness
Christos Hadjichristodoulou
University of Thessaly
Volos, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
227
159
0.700
Epidemiology
Public Health
Preventive Medicine
Infectious diseases
George Ntaios
University of Thessaly
Volos, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
220
179
0.814
Internal Medicine
Cardiovascular Medicine
Stroke Medicine
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!
Dimitrios Kouretas
University of Thessaly
Volos, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
213
172
0.808
antioxidants in food
redox biology
oxidative stress markers
food toxicology
Stefanidis Ioannis
University of Thessaly
Volos, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
211
116
0.550
George E Halkos
University of Thessaly
Volos, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
208
156
0.750
Economics of Natural Resources
Environmental Economics
Energy Economics
Applied Economics
Elpiniki Papageorgiou
University of Thessaly
Volos, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
198
149
0.753
Intelligent Systems
Fuzzy Cognitive Maps
Decision Support Systems
Data Mining
Software Engineering and Knowledge-based syste
Elias Zintzaras
University of Thessaly
Volos, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
198
101
0.510
Thanasis Jamurtas
University of Thessaly
Volos, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
189
152
0.804
Biochemistry of Exercise
Nutrient Metabolism
Redox Status and Exercise
Eccentric Exercise and muscle damage
Opioids and Alco
Andreas D Flouris
University of Thessaly
Volos, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
189
144
0.762
Environmental Physiology
Occupational Physiology
Thermoregulation
Heat stress
Clothing
Athanasios Giannoukas
University of Thessaly
Volos, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
169
104
0.615
Petinaki Efi
University of Thessaly
Volos, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
168
86
0.512
Dimitris P Makris Dic
University of Thessaly
Volos, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
160
127
0.794
antioxidants
biomass valorization
food waste valorization
green processes
polyphenols
GC Fthenakis
University of Thessaly
Volos, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
159
99
0.623
Yannis Theodorakis
University of Thessaly
Volos, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
157
91
0.580
sport
exercise
health
psychology
physical education
Spiros Petropoulos
University of Thessaly
Volos, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
151
143
0.947
agronomy
vegetable production
bioactive properties
fruit quality
wild edible species
Ioannis Fatouros
University of Thessaly
Volos, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
151
128
0.848
Exercise biochemistry
exercise immunology
pediatric exercise science
sports nutrition
strength and conditioning
Nikolaos Papadopoulos
University of Thessaly
Volos, Greece
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
147
98
0.667
Entomology
insect behavior
Behavioral ecology
fruit flies