Top 100 Scientists

Top 100 Scientists in Bulgaria 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" (873,690 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: 1
Tsonko Tsonev
Plant ecophysiology
Photosynthesis
Plant biology
Plant stress physiology
Metrics
H-Index
i10 Index
Citation
41
67
5,939
* Rankings
Ranking Based On Selection: 3
Pavel Zehtindjiev
Evolution
Ecology
Bird migration
Blood parasites
Bird malaria
Metrics
H-Index
i10 Index
Citation
28
49
2,944
* Rankings
Ranking Based On Selection: 4
Emilia Apostolova
photosynthesis
thylakoid membranes
abiotic stress
oxygen evolution
biosensors
Metrics
H-Index
i10 Index
Citation
27
46
1,883
* Rankings
Ranking Based On Selection: 8
Rossen Tzonev
botany
phytocoenology
nature conservation
ornithology
Metrics
H-Index
i10 Index
Citation
23
45
2,219
* Rankings
Ranking Based On Selection: 9
Maya Petrova Stoyneva-Gärtner
Algology
Limnology
Mycology
Lichenology
Conservation Biology
Metrics
H-Index
i10 Index
Citation
22
74
2,042

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* Rankings
Ranking Based On Selection: 11
andrey marchev
biotechnologies
plant in vitro cultures
bioprocess engineering
triterpenes
HPLC analysis
Metrics
H-Index
i10 Index
Citation
21
36
1,768
* Rankings
Ranking Based On Selection: 13
Vasil Popov
mammalogy
paleontology
ecology
conservation biology
Metrics
H-Index
i10 Index
Citation
21
45
1,952
* Rankings
Ranking Based On Selection: 19
Dolja Pavlova
botany
serpentine ecology
flora
pollen morphology
seed germination
Metrics
H-Index
i10 Index
Citation
18
43
1,389
* Rankings
Ranking Based On Selection: 20
Soren Hayrabedyan
innate immunity
autophagy
reproductive immunology
cancerogenesis
bioinformatics
Metrics
H-Index
i10 Index
Citation
18
24
11,889
* Rankings
Ranking Based On Selection: 21
Stefan Shilev
ecology
microbiology
biotechnology
bio-/phytoremediation
Metrics
H-Index
i10 Index
Citation
18
22
1,519
* Rankings
Ranking Based On Selection: 23
Svetlana Bancheva
ботаника
таксономия
редки видове растения
защитени територии
Metrics
H-Index
i10 Index
Citation
18
36
1,125
* Rankings
Ranking Based On Selection: 28
Антонина Виткова
ботаника
лечебни растения
in situ
ex situ
опазване
Metrics
H-Index
i10 Index
Citation
17
29
1,219
* Rankings
Ranking Based On Selection: 29
A. Tashev
ботаника
фитоценология
екология
флористика
опазване на флората
Metrics
H-Index
i10 Index
Citation
16
24
1,123
* Rankings
Ranking Based On Selection: 30
Boris Assyov
Fungal Taxonomy
Basidiomycetes
Boletales
Fungal Diversity
Conservation of Fungi
Metrics
H-Index
i10 Index
Citation
16
28
1,381
* Rankings
Ranking Based On Selection: 31
Hristo Pedashenko
Phytocoenology
Biodiversity
Habitats
Nature Conservation
Habitat Mapping
Metrics
H-Index
i10 Index
Citation
16
23
1,398
* Rankings
Ranking Based On Selection: 34
Diana Zlatanova
zoology
behaviour
carnivores
ungulates
habitat
Metrics
H-Index
i10 Index
Citation
14
24
5,576
* Rankings
Ranking Based On Selection: 38
Svetoslav Dimov
molecular genetics
bacterial genetics
genomics
metagenomics
molecular biology
Metrics
H-Index
i10 Index
Citation
13
22
612
* Rankings
Ranking Based On Selection: 40
Anelia Stojanova
зоология
ентомология
биогеография
Metrics
H-Index
i10 Index
Citation
13
16
426
* Rankings
Ranking Based On Selection: 42
Nidal Shaban
екология
растениевъдство
зеленчукопроизводство
Листноподхранване
Metrics
H-Index
i10 Index
Citation
12
17
395
* Rankings
Ranking Based On Selection: 45
Neli Grozeva
Botany
biodiversity
protected and medicinal plants
Metrics
H-Index
i10 Index
Citation
11
15
540
* Rankings
Ranking Based On Selection: 48
Atanas Grozdanov
зоология
екология
орнитология
херпетология
Metrics
H-Index
i10 Index
Citation
11
12
323
* Rankings
Ranking Based On Selection: 49
Daniella Ivanova
Botany
Taxonomy and Evolution of Higher Plants
Biosystematics
Chorology
Cytotaxonomy
Metrics
H-Index
i10 Index
Citation
11
13
310
* Rankings
Ranking Based On Selection: 52
Stoyan Stoyanov
Wildlife Management
Ecology
Game Management
Metrics
H-Index
i10 Index
Citation
10
10
518
* Rankings
Ranking Based On Selection: 55
Kiril Stoyanov
botany
Orobanchaceae
Iridaceae
Asparagaceae
Pyrolaceae
Metrics
H-Index
i10 Index
Citation
10
10
338
* Rankings
Ranking Based On Selection: 57
Ivan Traykov
Ecology and EP
Limnology
Macrophytes
Reservoirs
Lakes
Metrics
H-Index
i10 Index
Citation
10
11
438
* Rankings
Ranking Based On Selection: 58
Assen Assenov
biogeography
landscape ecology
phytocoenology
sustainable development
Metrics
H-Index
i10 Index
Citation
10
10
218
* Rankings
Ranking Based On Selection: 63
Tsvetko Prokopov
industrial ecology
ecology and control in food processing
fruits and vegetable processing
food quality
food safety
Metrics
H-Index
i10 Index
Citation
9
9
412
* Rankings
Ranking Based On Selection: 65
Жени Димитрова Стоянова
ботаника
етноботаника
алелопатия
лечебни растения
Metrics
H-Index
i10 Index
Citation
9
9
213
* Rankings
Ranking Based On Selection: 66
Svetlana Bratkova
екология
микробиология
биотехнология
Metrics
H-Index
i10 Index
Citation
9
8
384
* Rankings
Ranking Based On Selection: 68
Mihail Iliev
geological microbiology
taxonomy
mineral biotechnology
Metrics
H-Index
i10 Index
Citation
9
8
237
* Rankings
Ranking Based On Selection: 75
Dian Georgiev
ecology
parasitology
marine ecology
herpetology
mammalogy
Metrics
H-Index
i10 Index
Citation
8
7
241
* Rankings
Ranking Based On Selection: 83
Anna Gavrilova
botany
medicinal plants
quality control of herbal productssustainable management of plant resources
Metrics
H-Index
i10 Index
Citation
7
6
209
* Rankings
Ranking Based On Selection: 84
Teodora Koynova
ecology
environmental monitoring
biodiversity
ethology
herpetology
Metrics
H-Index
i10 Index
Citation
7
5
202
* Rankings
Ranking Based On Selection: 96
Venera Nikolova
Developmental Biology
Cell biology
Immunofluorescence
Metrics
H-Index
i10 Index
Citation
6
1
100
Rankings
Ranking Based On Selection: 1
Plant ecophysiology
Photosynthesis
Plant biology
Plant stress physiology
Rankings
Ranking Based On Selection: 2
Albert Krastanov
Metrics
H-Index
i10 Index
Citation Counts
40
95
6,819
Rankings
Ranking Based On Selection: 3
Pavel Zehtindjiev
Metrics
H-Index
i10 Index
Citation Counts
28
49
2,944
Evolution
Ecology
Bird migration
Blood parasites
Bird malaria
Rankings
Ranking Based On Selection: 4
Emilia Apostolova
Metrics
H-Index
i10 Index
Citation Counts
27
46
1,883
photosynthesis
thylakoid membranes
abiotic stress
oxygen evolution
biosensors
Rankings
Ranking Based On Selection: 5
Rankings
Ranking Based On Selection: 6
Spassimir Tonkov
Metrics
H-Index
i10 Index
Citation Counts
27
59
2,729
Rankings
Ranking Based On Selection: 7
Teodora B. Toshova
Metrics
H-Index
i10 Index
Citation Counts
23
51
1,665
Rankings
Ranking Based On Selection: 8
Rossen Tzonev
Metrics
H-Index
i10 Index
Citation Counts
23
45
2,219
botany
phytocoenology
nature conservation
ornithology
Rankings
Ranking Based On Selection: 9
Maya Petrova Stoyneva-Gärtner
Metrics
H-Index
i10 Index
Citation Counts
22
74
2,042
Algology
Limnology
Mycology
Lichenology
Conservation Biology
Rankings
Ranking Based On Selection: 10
Iliana Velcheva
Metrics
H-Index
i10 Index
Citation Counts
22
48
1,752

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! 

Rankings
Ranking Based On Selection: 11
andrey marchev
Metrics
H-Index
i10 Index
Citation Counts
21
36
1,768
biotechnologies
plant in vitro cultures
bioprocess engineering
triterpenes
HPLC analysis
Rankings
Ranking Based On Selection: 12
Boyko B. Georgiev
Metrics
H-Index
i10 Index
Citation Counts
21
68
2,232
Rankings
Ranking Based On Selection: 13
Vasil Popov
Metrics
H-Index
i10 Index
Citation Counts
21
45
1,952
mammalogy
paleontology
ecology
conservation biology
Rankings
Ranking Based On Selection: 14
Kremena Stefanova
Metrics
H-Index
i10 Index
Citation Counts
20
26
1,514
Rankings
Ranking Based On Selection: 15
Valentina Todorova
Metrics
H-Index
i10 Index
Citation Counts
20
31
1,401
marine biology
seabed habitats
nature conservation
Rankings
Ranking Based On Selection: 16
Dimitar Dimitrov
Metrics
H-Index
i10 Index
Citation Counts
20
23
1,267
avian malaria
haemosporida
avian ecology
evolution
Rankings
Ranking Based On Selection: 17
Dilian Georgiev
Metrics
H-Index
i10 Index
Citation Counts
19
58
2,233
Rankings
Ranking Based On Selection: 18
Krassimira Idakieva
Metrics
H-Index
i10 Index
Citation Counts
19
29
905
Rankings
Ranking Based On Selection: 19
Dolja Pavlova
Metrics
H-Index
i10 Index
Citation Counts
18
43
1,389
botany
serpentine ecology
flora
pollen morphology
seed germination
Rankings
Ranking Based On Selection: 20
Soren Hayrabedyan
Metrics
H-Index
i10 Index
Citation Counts
18
24
11,889
innate immunity
autophagy
reproductive immunology
cancerogenesis
bioinformatics
Rankings
Ranking Based On Selection: 21
Stefan Shilev
Metrics
H-Index
i10 Index
Citation Counts
18
22
1,519
ecology
microbiology
biotechnology
bio-/phytoremediation
Rankings
Ranking Based On Selection: 23
ботаника
таксономия
редки видове растения
защитени територии
Rankings
Ranking Based On Selection: 25
Milena Atanasova
Metrics
H-Index
i10 Index
Citation Counts
17
25
928
Rankings
Ranking Based On Selection: 26
Nikolay Natchev
Metrics
H-Index
i10 Index
Citation Counts
17
24
721
zoology
morphology
ecology
biomechanics
ethology
Rankings
Ranking Based On Selection: 27
Krassimira Todorova
Metrics
H-Index
i10 Index
Citation Counts
17
22
710
Prostate Cancer
Non-coding RNAs
micro RNA
Immunolgy
Rankings
Ranking Based On Selection: 28
ботаника
лечебни растения
in situ
ex situ
опазване
Rankings
Ranking Based On Selection: 29
A. Tashev
Metrics
H-Index
i10 Index
Citation Counts
16
24
1,123
ботаника
фитоценология
екология
флористика
опазване на флората
Rankings
Ranking Based On Selection: 30
Boris Assyov
Metrics
H-Index
i10 Index
Citation Counts
16
28
1,381
Fungal Taxonomy
Basidiomycetes
Boletales
Fungal Diversity
Conservation of Fungi
Rankings
Ranking Based On Selection: 31
Phytocoenology
Biodiversity
Habitats
Nature Conservation
Habitat Mapping
Rankings
Ranking Based On Selection: 32
Georgi Kostov
Metrics
H-Index
i10 Index
Citation Counts
15
24
807
biotechnology
ethanol
immobilization
kinetics
Rankings
Ranking Based On Selection: 33
алгология
биотехнология
Rankings
Ranking Based On Selection: 34
Diana Zlatanova
Metrics
H-Index
i10 Index
Citation Counts
14
24
5,576
zoology
behaviour
carnivores
ungulates
habitat
Rankings
Ranking Based On Selection: 35
oxidants
neurodegenerative diseases
glutathione
oxidative stress
Rankings
Ranking Based On Selection: 36
Slaveya Petrova
Metrics
H-Index
i10 Index
Citation Counts
14
17
686
Rankings
Ranking Based On Selection: 37
Desislava Sopotlieva
Metrics
H-Index
i10 Index
Citation Counts
13
16
1,273
Rankings
Ranking Based On Selection: 38
Svetoslav Dimov
Metrics
H-Index
i10 Index
Citation Counts
13
22
612
molecular genetics
bacterial genetics
genomics
metagenomics
molecular biology
Rankings
Ranking Based On Selection: 39
Rankings
Ranking Based On Selection: 40
Anelia Stojanova
Metrics
H-Index
i10 Index
Citation Counts
13
16
426
зоология
ентомология
биогеография
Rankings
Ranking Based On Selection: 41
Borislav Naumov
Metrics
H-Index
i10 Index
Citation Counts
12
22
823
Rankings
Ranking Based On Selection: 42
Nidal Shaban
Metrics
H-Index
i10 Index
Citation Counts
12
17
395
екология
растениевъдство
зеленчукопроизводство
Листноподхранване
Rankings
Ranking Based On Selection: 43
Mihail Kechev
Metrics
H-Index
i10 Index
Citation Counts
12
16
332
Rankings
Ranking Based On Selection: 45
Neli Grozeva
Metrics
H-Index
i10 Index
Citation Counts
11
15
540
Botany
biodiversity
protected and medicinal plants
Rankings
Ranking Based On Selection: 46
Пламен Стоянов
Metrics
H-Index
i10 Index
Citation Counts
11
15
409
Rankings
Ranking Based On Selection: 47
Yordan Koshev
Metrics
H-Index
i10 Index
Citation Counts
11
13
430
ecology
behaviour
conservation
small mammals
Rankings
Ranking Based On Selection: 48
Atanas Grozdanov
Metrics
H-Index
i10 Index
Citation Counts
11
12
323
зоология
екология
орнитология
херпетология
Rankings
Ranking Based On Selection: 49
Daniella Ivanova
Metrics
H-Index
i10 Index
Citation Counts
11
13
310
Botany
Taxonomy and Evolution of Higher Plants
Biosystematics
Chorology
Cytotaxonomy
Rankings
Ranking Based On Selection: 50
Stoyan Vergiev
Metrics
H-Index
i10 Index
Citation Counts
11
11
378
Rankings
Ranking Based On Selection: 51
Michaela B Beshkova
Metrics
H-Index
i10 Index
Citation Counts
11
12
334
Rankings
Ranking Based On Selection: 52
Stoyan Stoyanov
Metrics
H-Index
i10 Index
Citation Counts
10
10
518
Rankings
Ranking Based On Selection: 53
Radoukova Tzenka
Metrics
H-Index
i10 Index
Citation Counts
10
10
424
Rankings
Ranking Based On Selection: 54
Rankings
Ranking Based On Selection: 55
Kiril Stoyanov
Metrics
H-Index
i10 Index
Citation Counts
10
10
338
botany
Orobanchaceae
Iridaceae
Asparagaceae
Pyrolaceae
Rankings
Ranking Based On Selection: 56
Denis Gradinarov
Metrics
H-Index
i10 Index
Citation Counts
10
10
270
Rankings
Ranking Based On Selection: 57
Ivan Traykov
Metrics
H-Index
i10 Index
Citation Counts
10
11
438
Ecology and EP
Limnology
Macrophytes
Reservoirs
Lakes
Rankings
Ranking Based On Selection: 58
Assen Assenov
Metrics
H-Index
i10 Index
Citation Counts
10
10
218
biogeography
landscape ecology
phytocoenology
sustainable development
Rankings
Ranking Based On Selection: 59
Elena Tasheva-Terzieva
Metrics
H-Index
i10 Index
Citation Counts
10
10
203
Rankings
Ranking Based On Selection: 62
Margarita Filipova/ Margaritka Filipova
Metrics
H-Index
i10 Index
Citation Counts
9
8
253
Rankings
Ranking Based On Selection: 63
Tsvetko Prokopov
Metrics
H-Index
i10 Index
Citation Counts
9
9
412
industrial ecology
ecology and control in food processing
fruits and vegetable processing
food quality
food safety
Rankings
Ranking Based On Selection: 64
Michaela Beltcheva
Metrics
H-Index
i10 Index
Citation Counts
9
9
307
Rankings
Ranking Based On Selection: 65
ботаника
етноботаника
алелопатия
лечебни растения
Rankings
Ranking Based On Selection: 66
Svetlana Bratkova
Metrics
H-Index
i10 Index
Citation Counts
9
8
384
екология
микробиология
биотехнология
Rankings
Ranking Based On Selection: 68
Mihail Iliev
Metrics
H-Index
i10 Index
Citation Counts
9
8
237
geological microbiology
taxonomy
mineral biotechnology
Rankings
Ranking Based On Selection: 69
DNA repair pathways
PARP inhibitors
Live cell imaging
Cancer therapies
Rankings
Ranking Based On Selection: 70
Slavka Georgieva
Metrics
H-Index
i10 Index
Citation Counts
8
8
3,939
Rankings
Ranking Based On Selection: 71
Tsvetanka Raycheva
Metrics
H-Index
i10 Index
Citation Counts
8
7
189
Rankings
Ranking Based On Selection: 75
Dian Georgiev
Metrics
H-Index
i10 Index
Citation Counts
8
7
241
ecology
parasitology
marine ecology
herpetology
mammalogy
Rankings
Ranking Based On Selection: 76
Vesela Mitkovska
Metrics
H-Index
i10 Index
Citation Counts
8
7
184
Rankings
Ranking Based On Selection: 77
Stefi Delimitreva
Metrics
H-Index
i10 Index
Citation Counts
8
7
289
Rankings
Ranking Based On Selection: 78
Plamen Pankov
Metrics
H-Index
i10 Index
Citation Counts
8
7
185
Morphology
taxonomy and evolution of fish parasites
Rankings
Ranking Based On Selection: 79
Росица Давидова
Metrics
H-Index
i10 Index
Citation Counts
8
6
154
Rankings
Ranking Based On Selection: 80
Kostadin Dochin
Metrics
H-Index
i10 Index
Citation Counts
8
4
153
Rankings
Ranking Based On Selection: 81
Maria Petrova
Metrics
H-Index
i10 Index
Citation Counts
7
6
197
Rankings
Ranking Based On Selection: 82
Petya Boycheva
Metrics
H-Index
i10 Index
Citation Counts
7
2
111
Rankings
Ranking Based On Selection: 83
Anna Gavrilova
Metrics
H-Index
i10 Index
Citation Counts
7
6
209
botany
medicinal plants
quality control of herbal productssustainable management of plant resources
Rankings
Ranking Based On Selection: 84
Teodora Koynova
Metrics
H-Index
i10 Index
Citation Counts
7
5
202
ecology
environmental monitoring
biodiversity
ethology
herpetology
Rankings
Ranking Based On Selection: 85
Martin Dimitrov
Metrics
H-Index
i10 Index
Citation Counts
7
6
150
Genetics
natural products
Ty1 retrotransposition
Rankings
Ranking Based On Selection: 86
Lidia Sakelarieva
Metrics
H-Index
i10 Index
Citation Counts
7
1
153
Rankings
Ranking Based On Selection: 87
Rankings
Ranking Based On Selection: 89
Nikolay Kodzhabashev
Metrics
H-Index
i10 Index
Citation Counts
6
6
156
Rankings
Ranking Based On Selection: 90
Martina Traykovska
Metrics
H-Index
i10 Index
Citation Counts
6
5
209
Genetics
Molecular Genetics
Synthetic Biology
Rankings
Ranking Based On Selection: 92
Venislava Spasova
Metrics
H-Index
i10 Index
Citation Counts
6
5
153
Rankings
Ranking Based On Selection: 94
Gradimir Gruychev
Metrics
H-Index
i10 Index
Citation Counts
6
1
132
Rankings
Ranking Based On Selection: 95
Maya D Markova
Metrics
H-Index
i10 Index
Citation Counts
6
2
117
Rankings
Ranking Based On Selection: 96
Venera Nikolova
Metrics
H-Index
i10 Index
Citation Counts
6
1
100
Developmental Biology
Cell biology
Immunofluorescence
Rankings
Ranking Based On Selection: 97
immunology
autoimmune disease
sepsis
arthritis
mouse models
Rankings
Ranking Based On Selection: 98
Orlin Gemishev
Metrics
H-Index
i10 Index
Citation Counts
5
4
112
Rankings
Ranking Based On Selection: 99
Rumyana Kostova
Metrics
H-Index
i10 Index
Citation Counts
5
1
72