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 rankings in world, region, country, and university are in Beta version and are subject to real-time updates, since the subject field “Others” (1,121,289 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded. These rankings will dynamically evolve in real time as the “Others” profiles are revised and classified. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 2
Vinay Kumar K
Teaching oral Pathology
oral Biology
oral Histolog
Metrics
 
H-Index
i10 Index
Citation
47
190
13,956
* Rankings
Ranking Based On Selection: 4
Sayan Bayan
Nanostructures
Optoelectronics
Piezoelectric property
Triboelectric propert
Metrics
 
H-Index
i10 Index
Citation
23
37
1,257
* Rankings
Ranking Based On Selection: 5
P Justin
Electrochemistry
Corrosion
Nanomaterials
Energy conversion and storag
Metrics
 
H-Index
i10 Index
Citation
21
28
2,767
* Rankings
Ranking Based On Selection: 12
Koppala Siva Kumar
Thin films
Semiconductor Devices
Functional materials
Energy storage
Lithium-ion batteries Photovoltaics Photocatalysi
Metrics
 
H-Index
i10 Index
Citation
15
18
1,497
* Rankings
Ranking Based On Selection: 14
Jagdeep Rahul
Biomedical Signal Processing
Machine Learning
Deep Learning
VLSI Desig
Metrics
 
H-Index
i10 Index
Citation
13
17
621
* Rankings
Ranking Based On Selection: 15
Amarnath Karmakar
Chemical Ecology
Plant Insect Interaction
IPM.
Metrics
 
H-Index
i10 Index
Citation
13
14
357
* Rankings
Ranking Based On Selection: 16
Gibji Nimasow
Environmental Science
Forestry
Ecology
Wildlife
Remote sensing and GI
Metrics
 
H-Index
i10 Index
Citation
13
19
560
* Rankings
Ranking Based On Selection: 17
Suneetha Mekala
Removal of toxic pollutants from waste waters using bio-sorbents derived from plant
Metrics
 
H-Index
i10 Index
Citation
13
17
545
* Rankings
Ranking Based On Selection: 21
Rupam Kumar Sharma
Network Security
Computer Networks
Machine Learning
Internet of Thing
Metrics
 
H-Index
i10 Index
Citation
12
13
509
* Rankings
Ranking Based On Selection: 25
Gummadi Durga Prasad
Organometallic
Catalysis and ElectroCatalysi
Metrics
 
H-Index
i10 Index
Citation
11
15
327
Rankings
Ranking Based On Selection: 1
Santhosh Kumar S
Metrics
 
H-Index
i10 Index
Citation Counts
48
228
12,577
Composite Materials
High Temperature Ceramic
Rankings
Ranking Based On Selection: 2
Vinay Kumar K
Metrics
 
H-Index
i10 Index
Citation Counts
47
190
13,956
Teaching oral Pathology
oral Biology
oral Histolog
Rankings
Ranking Based On Selection: 3
Ajay Kumar Vaddepally
Metrics
 
H-Index
i10 Index
Citation Counts
25
127
4,892
Rankings
Ranking Based On Selection: 4
Sayan Bayan
Metrics
 
H-Index
i10 Index
Citation Counts
23
37
1,257
Nanostructures
Optoelectronics
Piezoelectric property
Triboelectric propert
Rankings
Ranking Based On Selection: 5
P Justin
Metrics
 
H-Index
i10 Index
Citation Counts
21
28
2,767
Electrochemistry
Corrosion
Nanomaterials
Energy conversion and storag
Rankings
Ranking Based On Selection: 6
Shubha Gurudath
Metrics
 
H-Index
i10 Index
Citation Counts
18
22
951
Rankings
Ranking Based On Selection: 7
Meghashyam Bhat
Metrics
 
H-Index
i10 Index
Citation Counts
18
22
943
Rankings
Ranking Based On Selection: 8
CH Amanulla
Metrics
 
H-Index
i10 Index
Citation Counts
17
23
613
Rankings
Ranking Based On Selection: 9
Manickam Selvamani
Metrics
 
H-Index
i10 Index
Citation Counts
16
25
821
Forensic odontology
Oral oncology
Odontogenic Tumor & Cyst
Rankings
Ranking Based On Selection: 10
Ramen Jamatia
Metrics
 
H-Index
i10 Index
Citation Counts
16
20
625
Rankings
Ranking Based On Selection: 11
V Subbaramaiah
Metrics
 
H-Index
i10 Index
Citation Counts
15
20
903
Chemical Reaction Engineering
Catalysis
Pollution Abatmen
Rankings
Ranking Based On Selection: 12
Koppala Siva Kumar
Metrics
 
H-Index
i10 Index
Citation Counts
15
18
1,497
Thin films
Semiconductor Devices
Functional materials
Energy storage
Lithium-ion batteries Photovoltaics Photocatalysi
Rankings
Ranking Based On Selection: 13
Dipankar Borah
Metrics
 
H-Index
i10 Index
Citation Counts
13
25
558
Rankings
Ranking Based On Selection: 14
Jagdeep Rahul
Metrics
 
H-Index
i10 Index
Citation Counts
13
17
621
Biomedical Signal Processing
Machine Learning
Deep Learning
VLSI Desig
Rankings
Ranking Based On Selection: 15
Amarnath Karmakar
Metrics
 
H-Index
i10 Index
Citation Counts
13
14
357
Rankings
Ranking Based On Selection: 16
Gibji Nimasow
Metrics
 
H-Index
i10 Index
Citation Counts
13
19
560
Environmental Science
Forestry
Ecology
Wildlife
Remote sensing and GI
Rankings
Ranking Based On Selection: 17
Suneetha Mekala
Metrics
 
H-Index
i10 Index
Citation Counts
13
17
545
Removal of toxic pollutants from waste waters using bio-sorbents derived from plant
Rankings
Ranking Based On Selection: 18
Lenka Chandrasekhara Rao
Metrics
 
H-Index
i10 Index
Citation Counts
13
17
459
Organic Synthesis Medicinal Chemistry Drug Discover
Rankings
Ranking Based On Selection: 21
Rupam Kumar Sharma
Metrics
 
H-Index
i10 Index
Citation Counts
12
13
509
Network Security
Computer Networks
Machine Learning
Internet of Thing
Rankings
Ranking Based On Selection: 22
Abir B Majumder
Metrics
 
H-Index
i10 Index
Citation Counts
12
13
408
Biocatalysis
Green Chemistry
Organic synthesis
Stereoselectivit
Rankings
Ranking Based On Selection: 23
Momang Taram
Metrics
 
H-Index
i10 Index
Citation Counts
11
17
354
Rankings
Ranking Based On Selection: 24
Oyi Dai Nimasow
Metrics
 
H-Index
i10 Index
Citation Counts
11
14
406
Rankings
Ranking Based On Selection: 25
Gummadi Durga Prasad
Metrics
 
H-Index
i10 Index
Citation Counts
11
15
327
Organometallic
Catalysis and ElectroCatalysi