Top 100 Scientists

World Top 100 Scientists 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (901,365 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection :2
Marianna Murdjeva
medicine
microbiology
clinical immunology
Metrics
H-Index
i10 Index
Citation
22
46
1,569
* Rankings
Ranking Based On Selection :5
Paolina Lukova
Pharmacognosy
Phytochemistry
Metrics
H-Index
i10 Index
Citation
12
14
506
* Rankings
Ranking Based On Selection :7
Rositsa Paunova
Neuroimaging
Artificial intelligence
Psychiatry
Metrics
H-Index
i10 Index
Citation
11
11
339
* Rankings
Ranking Based On Selection :10
Yordanka Uzunova
HPLC
polymer nanoparticles
Metrics
H-Index
i10 Index
Citation
10
10
289
* Rankings
Ranking Based On Selection :17
Anelia Bivolarska
Medical Biochemistry
Nutrition
Public Health
Preventive medicine
Metrics
H-Index
i10 Index
Citation
8
7
192
* Rankings
Ranking Based On Selection :18
Atanaska Petrova
antibiotic resistance in non-fermenters
Enterobacterales
Metrics
H-Index
i10 Index
Citation
8
7
184
* Rankings
Ranking Based On Selection :20
Tanya Bozhkova
occlusion
T-scan system
3D printing
complete denture
Metrics
H-Index
i10 Index
Citation
7
6
241
* Rankings
Ranking Based On Selection :21
Iliyana StefanovaKancheva
Effects of melanoidins on the contractility of gastric smooth muscles
Contractile activity of isoquinolins on smooth muscles
Metrics
H-Index
i10 Index
Citation
7
6
180
* Rankings
Ranking Based On Selection :23
Desislava Bakova
Public Health
Rehabilitation
Nutrition
Health care management
Medical and Business Ethics
Metrics
H-Index
i10 Index
Citation
7
3
193
* Rankings
Ranking Based On Selection :24
Dimitar Shopov
Health management
Public health
Metrics
H-Index
i10 Index
Citation
7
1
229
* Rankings
Ranking Based On Selection :25
Desislava KolevaGeorgieva
Ophthalmology
Vitreoretinal surgery
Macular degeneration
Diabetic retinopathy
Cataract surgery
Metrics
H-Index
i10 Index
Citation
7
6
437
* Rankings
Ranking Based On Selection :30
Stanislav Kotsev
Infectious diseases
Viral hepatitis
Hepatitis E
Vector-borne diseases
Neuroinfections
Metrics
H-Index
i10 Index
Citation
6
4
120
* Rankings
Ranking Based On Selection :31
Pavel Timonov
Forensic medicine
forensic anthropology
Metrics
H-Index
i10 Index
Citation
6
4
109
* Rankings
Ranking Based On Selection :32
Petya Kasnakova
physiotherapy
rehabilitation
Metrics
H-Index
i10 Index
Citation
6
3
160
* Rankings
Ranking Based On Selection :34
Antonia Yaneva
Biomedical informatics
e-health
Metrics
H-Index
i10 Index
Citation
6
1
81
* Rankings
Ranking Based On Selection :36
Nikoleta Parahuleva
Акушерство и Гинекология
Metrics
H-Index
i10 Index
Citation
6
4
92
* Rankings
Ranking Based On Selection :37
Rostislav Kostadinov
Disaster Medicine
Disater Medical Support
Education
Civil Military Cooperation
Metrics
H-Index
i10 Index
Citation
6
3
150
* Rankings
Ranking Based On Selection :40
Valeri Slavchev
оптика
вълнови процеси
биофотоника
Metrics
H-Index
i10 Index
Citation
6
2
107
Desislav Tomov
liquid chromatography
metabolomics
LC-MS
mikrobiota
Hashimoto's thyroiditis
Metrics
H-Index
i10 Index
Citation
5
0
49
Mariya Atanasova
microbiology
virology
infectious diseases
epidemiology
Metrics
H-Index
i10 Index
Citation
5
4
128
Elena Daskalova
стареене
съединителна тъкан
Aronia melanocarpa
Metrics
H-Index
i10 Index
Citation
4
3
136
Dimitar Hadzhiev
Abdominal Surgery
Trauma Surgery
Laparoscopic Surgery
Metrics
H-Index
i10 Index
Citation
3
3
83
Yordan Kalchev,Mph, Mhcm
CNS Infections
New Methods for Microbiological Diagnosis
Infections in immunocompromised hosts
Metrics
H-Index
i10 Index
Citation
3
1
35
Д-Р Ваня Анастасова, Д М
burns
scars
Reconstructive surgery
wound healing
Aesthetic Surgery
Metrics
H-Index
i10 Index
Citation
2
0
12
Krasimir Dzhinsov
Atrial Fibrillation
Cardiac Electrophysiology
Ablations
Cardiac Implantable Electronic Device
Metrics
H-Index
i10 Index
Citation
2
0
7
Gabriela Raycheva
Oncology
Personalized Medicine
Metrics
H-Index
i10 Index
Citation
1
0
9
Buryan Kirov
cardio- vascular surgery department
Metrics
H-Index
i10 Index
Citation
1
0
1
Rankings
Ranking Based On Selection: 1
DD Dimitrova ДД Димитрова
Metrics
H-Index
i10 Index
Citation Counts
27
47
5,169
Rankings
Ranking Based On Selection: 2
Marianna Murdjeva
Metrics
H-Index
i10 Index
Citation Counts
22
46
1,569
medicine
microbiology
clinical immunology
Rankings
Ranking Based On Selection: 3
Stefan Kostianev
Metrics
H-Index
i10 Index
Citation Counts
18
34
1,919
Rankings
Ranking Based On Selection: 4
Nonka Mateva
Metrics
H-Index
i10 Index
Citation Counts
15
19
648
Rankings
Ranking Based On Selection: 5
Paolina Lukova
Metrics
H-Index
i10 Index
Citation Counts
12
14
506
Pharmacognosy
Phytochemistry
Rankings
Ranking Based On Selection: 6
Boris Tilov
Metrics
H-Index
i10 Index
Citation Counts
12
12
1,196
Rankings
Ranking Based On Selection: 7
Rositsa Paunova
Metrics
H-Index
i10 Index
Citation Counts
11
11
339
Neuroimaging
Artificial intelligence
Psychiatry
Rankings
Ranking Based On Selection: 8
Plamen Katsarov
Metrics
H-Index
i10 Index
Citation Counts
11
13
442
Rankings
Ranking Based On Selection: 9
Tanya Deneva
Metrics
H-Index
i10 Index
Citation Counts
11
13
478
Rankings
Ranking Based On Selection: 10
Yordanka Uzunova
Metrics
H-Index
i10 Index
Citation Counts
10
10
289
HPLC
polymer nanoparticles
Rankings
Ranking Based On Selection: 11
Petya Racheva
Metrics
H-Index
i10 Index
Citation Counts
10
12
303
Rankings
Ranking Based On Selection: 12
Stefan Zlatev
Metrics
H-Index
i10 Index
Citation Counts
9
9
281
Rankings
Ranking Based On Selection: 13
Rumyana Stoyanova
Metrics
H-Index
i10 Index
Citation Counts
9
9
338
Rankings
Ranking Based On Selection: 14
Rositsa Dimova
Metrics
H-Index
i10 Index
Citation Counts
9
9
222
Rankings
Ranking Based On Selection: 15
Hristo Daskalov
Metrics
H-Index
i10 Index
Citation Counts
9
8
264
Rankings
Ranking Based On Selection: 16
Nikolina Milcheva
Metrics
H-Index
i10 Index
Citation Counts
9
7
211
Rankings
Ranking Based On Selection: 17
Anelia Bivolarska
Metrics
H-Index
i10 Index
Citation Counts
8
7
192
Medical Biochemistry
Nutrition
Public Health
Preventive medicine
Rankings
Ranking Based On Selection: 18
Atanaska Petrova
Metrics
H-Index
i10 Index
Citation Counts
8
7
184
antibiotic resistance in non-fermenters
Enterobacterales
Rankings
Ranking Based On Selection: 19
Zlatka Stoyneva
Metrics
H-Index
i10 Index
Citation Counts
8
5
313
Rankings
Ranking Based On Selection: 20
Tanya Bozhkova
Metrics
H-Index
i10 Index
Citation Counts
7
6
241
occlusion
T-scan system
3D printing
complete denture
Rankings
Ranking Based On Selection: 21
Iliyana StefanovaKancheva
Metrics
H-Index
i10 Index
Citation Counts
7
6
180
Effects of melanoidins on the contractility of gastric smooth muscles
Contractile activity of isoquinolins on smooth muscles
Rankings
Ranking Based On Selection: 22
Anna TodevaRadneva
Metrics
H-Index
i10 Index
Citation Counts
7
6
161
Rankings
Ranking Based On Selection: 23
Desislava Bakova
Metrics
H-Index
i10 Index
Citation Counts
7
3
193
Public Health
Rehabilitation
Nutrition
Health care management
Medical and Business Ethics
Rankings
Ranking Based On Selection: 24
Dimitar Shopov
Metrics
H-Index
i10 Index
Citation Counts
7
1
229
Health management
Public health
Rankings
Ranking Based On Selection: 25
Desislava KolevaGeorgieva
Metrics
H-Index
i10 Index
Citation Counts
7
6
437
Ophthalmology
Vitreoretinal surgery
Macular degeneration
Diabetic retinopathy
Cataract surgery
Rankings
Ranking Based On Selection: 26
Ni Traikova, Nikoleta Traykova, N Traikova, N Trajkova
Metrics
H-Index
i10 Index
Citation Counts
7
4
276
Rankings
Ranking Based On Selection: 27
Stanislava Harizanova
Metrics
H-Index
i10 Index
Citation Counts
6
6
182
Rankings
Ranking Based On Selection: 28
Vesela Kokova
Metrics
H-Index
i10 Index
Citation Counts
6
5
328
Rankings
Ranking Based On Selection: 29
Milena Gulinac
Metrics
H-Index
i10 Index
Citation Counts
6
4
121
Rankings
Ranking Based On Selection: 30
Stanislav Kotsev
Metrics
H-Index
i10 Index
Citation Counts
6
4
120
Infectious diseases
Viral hepatitis
Hepatitis E
Vector-borne diseases
Neuroinfections
Rankings
Ranking Based On Selection: 31
Pavel Timonov
Metrics
H-Index
i10 Index
Citation Counts
6
4
109
Forensic medicine
forensic anthropology
Rankings
Ranking Based On Selection: 32
Petya Kasnakova
Metrics
H-Index
i10 Index
Citation Counts
6
3
160
physiotherapy
rehabilitation
Rankings
Ranking Based On Selection: 33
Hristina ZlatanovaTenisheva
Metrics
H-Index
i10 Index
Citation Counts
6
3
106
Rankings
Ranking Based On Selection: 34
Antonia Yaneva
Metrics
H-Index
i10 Index
Citation Counts
6
1
81
Biomedical informatics
e-health
Rankings
Ranking Based On Selection: 35
Dimitar Pazardzhikliev
Metrics
H-Index
i10 Index
Citation Counts
6
5
334
Rankings
Ranking Based On Selection: 36
Nikoleta Parahuleva
Metrics
H-Index
i10 Index
Citation Counts
6
4
92
Акушерство и Гинекология
Rankings
Ranking Based On Selection: 37
Rostislav Kostadinov
Metrics
H-Index
i10 Index
Citation Counts
6
3
150
Disaster Medicine
Disater Medical Support
Education
Civil Military Cooperation
Rankings
Ranking Based On Selection: 38
Ivo Kehayov
Metrics
H-Index
i10 Index
Citation Counts
6
3
124
Rankings
Ranking Based On Selection: 39
Svetlan Dermendzhiev
Metrics
H-Index
i10 Index
Citation Counts
6
3
92
Rankings
Ranking Based On Selection: 40
Valeri Slavchev
Metrics
H-Index
i10 Index
Citation Counts
6
2
107
оптика
вълнови процеси
биофотоника
Rankings
Ranking Based On Selection: 41
Teodora Stoeva
Metrics
H-Index
i10 Index
Citation Counts
6
0
124
Rankings
Ranking Based On Selection: 42
Zlatoslav Arabadzhiev
Metrics
H-Index
i10 Index
Citation Counts
5
5
462
Rankings
Ranking Based On Selection: 43
Zhivko Peychev
Metrics
H-Index
i10 Index
Citation Counts
5
5
183
Rankings
Ranking Based On Selection: 44
Mladen Mantarkov
Metrics
H-Index
i10 Index
Citation Counts
5
5
133
Rankings
Ranking Based On Selection: 45
Vesela Stefanova
Metrics
H-Index
i10 Index
Citation Counts
5
4
102
Rankings
Ranking Based On Selection: 46
Plamen Todorov
Metrics
H-Index
i10 Index
Citation Counts
5
3
101
Rankings
Ranking Based On Selection: 47
Valentin Dichev Dichev
Metrics
H-Index
i10 Index
Citation Counts
5
3
71
Rankings
Ranking Based On Selection: 48
Veselin Popov
Metrics
H-Index
i10 Index
Citation Counts
5
2
76
Rankings
Ranking Based On Selection: 49
Iva Slavova
Metrics
H-Index
i10 Index
Citation Counts
5
1
149
Rankings
Ranking Based On Selection: 50
Desislav Tomov
Metrics
H-Index
i10 Index
Citation Counts
5
0
49
liquid chromatography
metabolomics
LC-MS
mikrobiota
Hashimoto's thyroiditis
Rankings
Ranking Based On Selection: 51
Атанас Балтаджиев
Metrics
H-Index
i10 Index
Citation Counts
5
5
122
Rankings
Ranking Based On Selection: 52
Mariya Atanasova
Metrics
H-Index
i10 Index
Citation Counts
5
4
128
microbiology
virology
infectious diseases
epidemiology
Rankings
Ranking Based On Selection: 53
Angelina Kirkova-Bogdanova
Metrics
H-Index
i10 Index
Citation Counts
5
1
91
Rankings
Ranking Based On Selection: 54
Elena Daskalova
Metrics
H-Index
i10 Index
Citation Counts
4
3
136
стареене
съединителна тъкан
Aronia melanocarpa
Rankings
Ranking Based On Selection: 55
Kremena Saracheva
Metrics
H-Index
i10 Index
Citation Counts
4
3
94
Neuropshychopharmacology
Rankings
Ranking Based On Selection: 56
Tihomir Dermendzhiev
Metrics
H-Index
i10 Index
Citation Counts
4
2
90
Rankings
Ranking Based On Selection: 57
Katya Doykova
Metrics
H-Index
i10 Index
Citation Counts
4
2
55
Rankings
Ranking Based On Selection: 58
Petya Kasnakova
Metrics
H-Index
i10 Index
Citation Counts
4
1
57
Rehabilitation
Training
Rankings
Ranking Based On Selection: 59
Стоилка Туфкова
Metrics
H-Index
i10 Index
Citation Counts
4
3
83
Rankings
Ranking Based On Selection: 60
Dimitar Hadzhiev
Metrics
H-Index
i10 Index
Citation Counts
3
3
83
Abdominal Surgery
Trauma Surgery
Laparoscopic Surgery
Rankings
Ranking Based On Selection: 61
Yordan Kalchev,Mph, Mhcm
Metrics
H-Index
i10 Index
Citation Counts
3
1
35
CNS Infections
New Methods for Microbiological Diagnosis
Infections in immunocompromised hosts
Rankings
Ranking Based On Selection: 62
Ivica Dimov
Metrics
H-Index
i10 Index
Citation Counts
3
0
27
Rankings
Ranking Based On Selection: 63
Irena Hambarova
Metrics
H-Index
i10 Index
Citation Counts
3
0
14
Rankings
Ranking Based On Selection: 64
Mariya Atanasova
Metrics
H-Index
i10 Index
Citation Counts
3
0
18
Rankings
Ranking Based On Selection: 65
Д-Р Ваня Анастасова, Д М
Metrics
H-Index
i10 Index
Citation Counts
2
0
12
burns
scars
Reconstructive surgery
wound healing
Aesthetic Surgery
Rankings
Ranking Based On Selection: 66
Angel Tenev
Metrics
H-Index
i10 Index
Citation Counts
2
0
7
Rankings
Ranking Based On Selection: 67
Krasimir Dzhinsov
Metrics
H-Index
i10 Index
Citation Counts
2
0
7
Atrial Fibrillation
Cardiac Electrophysiology
Ablations
Cardiac Implantable Electronic Device
Rankings
Ranking Based On Selection: 68
Mariya Karaivanova
Metrics
H-Index
i10 Index
Citation Counts
2
0
8
Rankings
Ranking Based On Selection: 69
Gabriela Raycheva
Metrics
H-Index
i10 Index
Citation Counts
1
0
9
Oncology
Personalized Medicine
Rankings
Ranking Based On Selection: 70
Buryan Kirov
Metrics
H-Index
i10 Index
Citation Counts
1
0
1
cardio- vascular surgery department