Citation Rankings
Highly Cited Researchers
National and Kapodistrian University of Athens Highly Cited Researchers Citation Rankings 2025
Citation Rankings (Highly Cited Researchers) and the list of the most cited and influential researchers cover a wide range of scientific fields, spanning 197 main and sub-disciplines, as well as the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings, offering a unique service. Additionally, the list without CERN, Statistical Data, etc., provided exclusively by “AD Scientific Index”, is part of our effort to balance the situation created by CERN and researchers with statistical data, who have an advantage over others, especially those in the social and humanities fields. There should be new regulations for multi-author and CERN papers. Citation lists also reveal many rule violations and unethical practices. See also for more specific citation analyses: Scientists Last 6 years Citation Index, Universities Total Citations Rankings 2025 and Universities Last 6 Years Citations Rankings 2025
* Total Citation Counts Rankings
Ranking Based On Selection :126
Statistical Mechanics
Thermodynamics of Point Defects in Solids
Geophysics
Earthquake Seismology
Prefracture Signals
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,452
3,310
0.246
* Total Citation Counts Rankings
Ranking Based On Selection :127
Fungal and bacterial infections
Pharmacokinetics
Pharmacodynamics
In vitro models
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,386
7,853
0.587
* Total Citation Counts Rankings
Ranking Based On Selection :128
First interest
Second interest
...Critical Care
Rehabilitation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,309
4,810
0.361
* Total Citation Counts Rankings
Ranking Based On Selection :129
Biomaterials Dental/maxillofacial restoratives
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,075
4,333
0.331
* Total Citation Counts Rankings
Ranking Based On Selection :130
ecology
fire ecology
biological invasions
conservation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,049
7,157
0.548
* Total Citation Counts Rankings
Ranking Based On Selection :131
Thyroid Surgery
Parathyroid Surgery
Endocrine Surgery
Endocrine Oncology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,025
12,267
0.942
* Total Citation Counts Rankings
Ranking Based On Selection :132
Orthopaedic Surgery
Complex Reconstruction Surgery
Orthopaedic Oncology & Limb Salvage Surgery
Spine & Pelvis Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,868
5,261
0.409
* Total Citation Counts Rankings
Ranking Based On Selection :133
Paediatric Respiratory Medicine
Paediatric Allergy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,838
4,752
0.370
* Total Citation Counts Rankings
Ranking Based On Selection :134
Internal Medicine
Diabetes mellitus
Obesity
Metabolic diseases
Epidemiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,787
9,151
0.716
* Total Citation Counts Rankings
Ranking Based On Selection :135
respiratory medicine
intensive care medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,756
5,750
0.451
* Total Citation Counts Rankings
Ranking Based On Selection :136
Natural products Chemistry
PYRROLIZIDINE ALKALOIDS
propolis
honeys
Royal Jelly
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,643
5,077
0.402
* Total Citation Counts Rankings
Ranking Based On Selection :137
Breast Cancer
Gynecologic Cancer
Gastrointestinal Cancer
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,608
3,698
0.293
* Total Citation Counts Rankings
Ranking Based On Selection :138
Climate Change
Nonlinear Systems
Natural Disasters
Remote Sensing
Atmospheric Physics and Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,558
3,811
0.303
* Total Citation Counts Rankings
Ranking Based On Selection :139
CARDIOLOGY
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,537
6,175
0.493
* Total Citation Counts Rankings
Ranking Based On Selection :140
Pathology
Molecular Pathology
Forensic Pathology
Tumor Biomarkers
Molecular Toxicology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,370
4,297
0.347
* Total Citation Counts Rankings
Ranking Based On Selection :141
hematology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,289
5,689
0.463
* Total Citation Counts Rankings
Ranking Based On Selection :142
Randomized Algorithms
Machine Learning
Random Structures
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,148
3,382
0.278
* Total Citation Counts Rankings
Ranking Based On Selection :143
OTOLOGY
COCHLEAR IMPLANTS
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,080
3,300
0.273
* Total Citation Counts Rankings
Ranking Based On Selection :144
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,023
3,052
0.254
* Total Citation Counts Rankings
Ranking Based On Selection :145
Environmental Chemistry
Toxicology
Ecotoxicology
Free Radicals
Air Pollution
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,754
5,449
0.464
* Total Citation Counts Rankings
Ranking Based On Selection :146
Endocrine Pathology
Neuropathology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,706
4,231
0.361
* Total Citation Counts Rankings
Ranking Based On Selection :147
Environmental chemistry
ecotoxicology
marine pollution
biomarkers of oxidative stress
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,668
6,350
0.544
* Total Citation Counts Rankings
Ranking Based On Selection :148
Liquid Biopsy
Circulating Tumor Cells
ctDNA
molecular diagnostics
Clinical Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,577
5,182
0.448
* Total Citation Counts Rankings
Ranking Based On Selection :149
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,544
4,353
0.377
* Total Citation Counts Rankings
Ranking Based On Selection :150
Endocrinology
Menopause
Ageing
Gynecological Endocrinology
Osteoporosis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,479
6,965
0.607
* Total Citation Counts Rankings
Rankings
66,896
326
126
Ranking Based On Selection: 126
Panayiotis Varotsos
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,452
3,310
0.246
Statistical Mechanics
Thermodynamics of Point Defects in Solids
Geophysics
Earthquake Seismology
Prefracture Signals
* Total Citation Counts Rankings
Rankings
67,302
329
127
Ranking Based On Selection: 127
Joseph Meletiadis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,386
7,853
0.587
Fungal and bacterial infections
Pharmacokinetics
Pharmacodynamics
In vitro models
* Total Citation Counts Rankings
Rankings
67,784
332
128
Ranking Based On Selection: 128
Serafeim Nanas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,309
4,810
0.361
* Total Citation Counts Rankings
Rankings
69,351
342
129
Ranking Based On Selection: 129
George Eliades
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,075
4,333
0.331
Biomaterials Dental/maxillofacial restoratives
* Total Citation Counts Rankings
Rankings
69,508
343
130
Ranking Based On Selection: 130
Margarita Arianoutsou
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,049
7,157
0.548
ecology
fire ecology
biological invasions
conservation
* Total Citation Counts Rankings
Rankings
69,677
344
131
Ranking Based On Selection: 131
Eleftherios Spartalis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,025
12,267
0.942
Thyroid Surgery
Parathyroid Surgery
Endocrine Surgery
Endocrine Oncology
* Total Citation Counts Rankings
Rankings
70,732
351
132
Ranking Based On Selection: 132
Panayiotis Papagelopoulos
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,868
5,261
0.409
Orthopaedic Surgery
Complex Reconstruction Surgery
Orthopaedic Oncology & Limb Salvage Surgery
Spine & Pelvis Surgery
* Total Citation Counts Rankings
Rankings
70,928
352
133
Ranking Based On Selection: 133
Kostas N Priftis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,838
4,752
0.370
Paediatric Respiratory Medicine
Paediatric Allergy
* Total Citation Counts Rankings
Rankings
71,310
354
134
Ranking Based On Selection: 134
Konstantinos Makrilakis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,787
9,151
0.716
Internal Medicine
Diabetes mellitus
Obesity
Metabolic diseases
Epidemiology
* Total Citation Counts Rankings
Rankings
71,536
355
135
Ranking Based On Selection: 135
Spyros Zakynthinos
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,756
5,750
0.451
respiratory medicine
intensive care medicine
* Total Citation Counts Rankings
Rankings
72,329
358
136
Ranking Based On Selection: 136
ioanna Chinou
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,643
5,077
0.402
Natural products Chemistry
PYRROLIZIDINE ALKALOIDS
propolis
honeys
Royal Jelly
* Total Citation Counts Rankings
Rankings
72,584
359
137
Ranking Based On Selection: 137
Christos Papadimitriou
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,608
3,698
0.293
Breast Cancer
Gynecologic Cancer
Gastrointestinal Cancer
* Total Citation Counts Rankings
Rankings
72,922
361
138
Ranking Based On Selection: 138
Costas Varotsos
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,558
3,811
0.303
Climate Change
Nonlinear Systems
Natural Disasters
Remote Sensing
Atmospheric Physics and Chemistry
* Total Citation Counts Rankings
Rankings
73,063
362
139
Ranking Based On Selection: 139
Ignatios Ikonomidis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,537
6,175
0.493
* Total Citation Counts Rankings
Rankings
74,297
370
140
Ranking Based On Selection: 140
Stamos Theocharis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,370
4,297
0.347
Pathology
Molecular Pathology
Forensic Pathology
Tumor Biomarkers
Molecular Toxicology
* Total Citation Counts Rankings
Rankings
74,867
373
141
Ranking Based On Selection: 141
Panayiotidis Panayiotis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,289
5,689
0.463
* Total Citation Counts Rankings
Rankings
75,933
381
142
Ranking Based On Selection: 142
Dimitris Achlioptas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,148
3,382
0.278
Randomized Algorithms
Machine Learning
Random Structures
* Total Citation Counts Rankings
Rankings
76,424
386
143
Ranking Based On Selection: 143
Thomas Nikolopoulos
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,080
3,300
0.273
OTOLOGY
COCHLEAR IMPLANTS
* Total Citation Counts Rankings
Rankings
76,931
388
144
Ranking Based On Selection: 144
Leonidas Tzouvelekis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,023
3,052
0.254
* Total Citation Counts Rankings
Rankings
79,025
396
145
Ranking Based On Selection: 145
Valavanidis Athanasios
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,754
5,449
0.464
Environmental Chemistry
Toxicology
Ecotoxicology
Free Radicals
Air Pollution
* Total Citation Counts Rankings
Rankings
79,432
397
146
Ranking Based On Selection: 146
George Kontogeorgos
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,706
4,231
0.361
Endocrine Pathology
Neuropathology
* Total Citation Counts Rankings
Rankings
79,765
402
147
Ranking Based On Selection: 147
Thomais Vlachogianni
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,668
6,350
0.544
Environmental chemistry
ecotoxicology
marine pollution
biomarkers of oxidative stress
* Total Citation Counts Rankings
Rankings
80,515
408
148
Ranking Based On Selection: 148
Evi Lianidou
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,577
5,182
0.448
Liquid Biopsy
Circulating Tumor Cells
ctDNA
molecular diagnostics
Clinical Chemistry
* Total Citation Counts Rankings
Rankings
80,800
411
149
Ranking Based On Selection: 149
Georgios C Sotiropoulos
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,544
4,353
0.377
* Total Citation Counts Rankings
Rankings
81,358
416
150
Ranking Based On Selection: 150
Irene Lambrinoudaki
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,479
6,965
0.607
Endocrinology
Menopause
Ageing
Gynecological Endocrinology
Osteoporosis