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" (873,864 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 :3
Sudha SS
Environmental Microbiology
Microbial Biotechnology
Metrics
H-Index
i10 Index
Citation
17
33
1,529
* Rankings
Ranking Based On Selection :5
S Eswaramoorthi
Heat and mass transfer
Boundary layer flow
Non-Newtonian fluid
Metrics
H-Index
i10 Index
Citation
15
25
768
* Rankings
Ranking Based On Selection :8
J Ramkumar
Cognitive Radio Networks
Mobile Ad-hoc Networks
Routing
Decision Making
Bio-inspired Optimization
Metrics
H-Index
i10 Index
Citation
14
19
564
* Rankings
Ranking Based On Selection :9
S Sathiyaraj
Organometallic Chemistry
Bioinorganic Chemistry
Metrics
H-Index
i10 Index
Citation
14
15
605
Balasubramanian Sivasankaran
cancer biology cancer genomics translation cancer research stem cells cancer stem cells
Metrics
H-Index
i10 Index
Citation
9
9
677
K Anbalagan Clt
\Biochemistry
Biotechnology
Microbiology
Nanobiotechnology and Renewable Energy
Biohydrogen. Biosynthesis of nanoparticles.
Metrics
H-Index
i10 Index
Citation
5
5
293
Iswarya
signal processing
Natural language processing
information retrieval
Metrics
H-Index
i10 Index
Citation
5
0
43
Jancy Rani D
Clinical Nutrition
Therapeutic Nutrition
Food Science
Diet counselling
Metrics
H-Index
i10 Index
Citation
3
0
17
Mathankumar Selvaraj
Differential Equations
Fuzzy Mathematics
Mathematical Biology
Metrics
H-Index
i10 Index
Citation
2
1
17
Rankings
Ranking Based On Selection: 1
Venkatachalam Rajendran
Metrics
H-Index
i10 Index
Citation Counts
52
188
9,964
Rankings
Ranking Based On Selection: 2
Ashok Kumar M
Metrics
H-Index
i10 Index
Citation Counts
21
86
3,286
Rankings
Ranking Based On Selection: 3
Sudha SS
Metrics
H-Index
i10 Index
Citation Counts
17
33
1,529
Environmental Microbiology
Microbial Biotechnology
Rankings
Ranking Based On Selection: 4
Venkatesan C
Metrics
H-Index
i10 Index
Citation Counts
16
16
1,313
Immunology-Toxicology- molecular biotehcnology
Rankings
Ranking Based On Selection: 5
S Eswaramoorthi
Metrics
H-Index
i10 Index
Citation Counts
15
25
768
Heat and mass transfer
Boundary layer flow
Non-Newtonian fluid
Rankings
Ranking Based On Selection: 6
K Girija
Metrics
H-Index
i10 Index
Citation Counts
15
15
1,422
Rankings
Ranking Based On Selection: 7
Deepak Paramasivam
Metrics
H-Index
i10 Index
Citation Counts
14
22
819
Rankings
Ranking Based On Selection: 8
J Ramkumar
Metrics
H-Index
i10 Index
Citation Counts
14
19
564
Cognitive Radio Networks
Mobile Ad-hoc Networks
Routing
Decision Making
Bio-inspired Optimization
Rankings
Ranking Based On Selection: 9
S Sathiyaraj
Metrics
H-Index
i10 Index
Citation Counts
14
15
605
Organometallic Chemistry
Bioinorganic Chemistry
Rankings
Ranking Based On Selection: 10
V Usha
Metrics
H-Index
i10 Index
Citation Counts
12
12
380
Rankings
Ranking Based On Selection: 11
S Karthik Sundaram
Metrics
H-Index
i10 Index
Citation Counts
10
12
387
Environmental Microbiology
Rankings
Ranking Based On Selection: 12
Drpoongothai M
Metrics
H-Index
i10 Index
Citation Counts
10
10
254
Rankings
Ranking Based On Selection: 13
Balasubramanian Sivasankaran
Metrics
H-Index
i10 Index
Citation Counts
9
9
677
cancer biology cancer genomics translation cancer research stem cells cancer stem cells
Rankings
Ranking Based On Selection: 14
Narasimhan B
Metrics
H-Index
i10 Index
Citation Counts
9
7
219
Rankings
Ranking Based On Selection: 15
Pream Sudha V
Metrics
H-Index
i10 Index
Citation Counts
7
5
274
Rankings
Ranking Based On Selection: 16
Shanmuga Raju
Metrics
H-Index
i10 Index
Citation Counts
6
4
84
Rankings
Ranking Based On Selection: 17
K Anbalagan Clt
Metrics
H-Index
i10 Index
Citation Counts
5
5
293
\Biochemistry
Biotechnology
Microbiology
Nanobiotechnology and Renewable Energy
Biohydrogen. Biosynthesis of nanoparticles.
Rankings
Ranking Based On Selection: 18
Arungandhi K
Metrics
H-Index
i10 Index
Citation Counts
5
3
67
Rankings
Ranking Based On Selection: 19
Mary Magdalene Jane F
Metrics
H-Index
i10 Index
Citation Counts
5
1
65
Rankings
Ranking Based On Selection: 20
Iswarya
Metrics
H-Index
i10 Index
Citation Counts
5
0
43
signal processing
Natural language processing
information retrieval
Rankings
Ranking Based On Selection: 21
Rajathi Krishnasamy
Metrics
H-Index
i10 Index
Citation Counts
4
3
61
Rankings
Ranking Based On Selection: 22
Devakumar Joseph
Metrics
H-Index
i10 Index
Citation Counts
4
1
77
Rankings
Ranking Based On Selection: 23
B Rosiline Jeetha
Metrics
H-Index
i10 Index
Citation Counts
4
0
47
Data Mining
Digital Image Processing
Genetic Algorithms
Rankings
Ranking Based On Selection: 24
R. Kousalya
Metrics
H-Index
i10 Index
Citation Counts
4
0
41
Rankings
Ranking Based On Selection: 25
Lilly J
Metrics
H-Index
i10 Index
Citation Counts
4
2
54
Rankings
Ranking Based On Selection: 26
R Nithya
Metrics
H-Index
i10 Index
Citation Counts
4
1
44
Rankings
Ranking Based On Selection: 27
M Muthukrishnan
Metrics
H-Index
i10 Index
Citation Counts
4
1
37
Rankings
Ranking Based On Selection: 28
P.Revathi
Metrics
H-Index
i10 Index
Citation Counts
3
2
76
Rankings
Ranking Based On Selection: 29
Shobana V
Metrics
H-Index
i10 Index
Citation Counts
3
2
36
Rankings
Ranking Based On Selection: 30
C.Sasikala
Metrics
H-Index
i10 Index
Citation Counts
3
1
30
Rankings
Ranking Based On Selection: 31
Rathi M
Metrics
H-Index
i10 Index
Citation Counts
3
1
28
Rankings
Ranking Based On Selection: 32
Jancy Rani D
Metrics
H-Index
i10 Index
Citation Counts
3
0
17
Clinical Nutrition
Therapeutic Nutrition
Food Science
Diet counselling
Rankings
Ranking Based On Selection: 33
A Anandalakshmy
Metrics
H-Index
i10 Index
Citation Counts
3
0
12
Marketing
Finance
Human Resource Managemnt
Rankings
Ranking Based On Selection: 34
Jayashree V
Metrics
H-Index
i10 Index
Citation Counts
3
2
42
Rankings
Ranking Based On Selection: 35
R. Mahenthiran
Metrics
H-Index
i10 Index
Citation Counts
3
1
34
Rankings
Ranking Based On Selection: 36
Sangeetha Seenivasan
Metrics
H-Index
i10 Index
Citation Counts
3
1
23
Rankings
Ranking Based On Selection: 37
J.Savitha
Metrics
H-Index
i10 Index
Citation Counts
3
1
22
Rankings
Ranking Based On Selection: 38
S. Kokila
Metrics
H-Index
i10 Index
Citation Counts
3
0
19
Rankings
Ranking Based On Selection: 39
Banu Rekha
Metrics
H-Index
i10 Index
Citation Counts
2
1
69
Rankings
Ranking Based On Selection: 40
Banurekha M
Metrics
H-Index
i10 Index
Citation Counts
2
1
67
Rankings
Ranking Based On Selection: 41
Raju Ravikumar
Metrics
H-Index
i10 Index
Citation Counts
2
1
65
Rankings
Ranking Based On Selection: 42
R Chandrasekaran
Metrics
H-Index
i10 Index
Citation Counts
2
1
48
Rankings
Ranking Based On Selection: 43
Arkanagaraj
Metrics
H-Index
i10 Index
Citation Counts
2
1
31
Rankings
Ranking Based On Selection: 44
Am Ramachandran
Metrics
H-Index
i10 Index
Citation Counts
2
1
29
Rankings
Ranking Based On Selection: 45
Sasikala Chenniyappan
Metrics
H-Index
i10 Index
Citation Counts
2
1
24
Rankings
Ranking Based On Selection: 46
Mathankumar Selvaraj
Metrics
H-Index
i10 Index
Citation Counts
2
1
17
Differential Equations
Fuzzy Mathematics
Mathematical Biology
Rankings
Ranking Based On Selection: 47
Chandrasekar Mr
Metrics
H-Index
i10 Index
Citation Counts
2
0
5
Rankings
Ranking Based On Selection: 48
G Malarvizhi
Metrics
H-Index
i10 Index
Citation Counts
1
1
16
Rankings
Ranking Based On Selection: 49
Divya C
Metrics
H-Index
i10 Index
Citation Counts
1
1
12
Rankings
Ranking Based On Selection: 51
Jagadeeswaran Vs
Metrics
H-Index
i10 Index
Citation Counts
1
0
1
Rankings
Ranking Based On Selection: 52
D Parasakthi
Metrics
H-Index
i10 Index
Citation Counts
1
0
1
Rankings
Ranking Based On Selection: 53
Banudevi Pb
Metrics
H-Index
i10 Index
Citation Counts
1
0
1