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 :1
Theresa M Allen
liposomes
drug delivery
nanoparticles
targeted drug delivery
Metrics
H-Index
i10 Index
Citation
96
223
48,192
* Rankings
Ranking Based On Selection :2
Mohamed Gamal El Din
Reclamation
Advanced Oxidation
Filtration
Adsorption
Nanotechnology
Metrics
H-Index
i10 Index
Citation
73
255
17,809
* Rankings
Ranking Based On Selection :3
Jillian Buriak
Nanoscience
self-assembly
surface chemistry
solar energy
batteries
Metrics
H-Index
i10 Index
Citation
66
166
17,312
* Rankings
Ranking Based On Selection :4
Huanlei Wang
carbon-based nanomaterials for energy storage and conversion
Metrics
H-Index
i10 Index
Citation
64
151
16,712
* Rankings
Ranking Based On Selection :5
Karthik Shankar
Nanotechnology & Nanoplasmonics
Photocatalysis
Organic & Hybrid Electronics
Microwave Resonators
1D Biomacromolecules
Metrics
H-Index
i10 Index
Citation
61
148
25,017
* Rankings
Ranking Based On Selection :7
Zhi Li
nanomaterials
energy storage
catalysts
battery
supercapacitors
Metrics
H-Index
i10 Index
Citation
46
64
12,295
John Lewis
Prostate Cancer
Intravital Imaging
Metastasis
Nanoparticles
Metrics
H-Index
i10 Index
Citation
46
87
7,135
Abdulhakem Y Elezzabi
Nanophotonics
Ultrafast Nanoplasmonics
Terahertz
Nonlinear Optics
Metrics
H-Index
i10 Index
Citation
46
135
6,650
* Rankings
Ranking Based On Selection :10
Anh H Nguyen
Nano-theranostics
Nanomaterials
Nano-Fab
Medical Diagnostics devices
Bio-nanoparticles
Metrics
H-Index
i10 Index
Citation
45
122
7,556
* Rankings
Ranking Based On Selection :11
Perrin H Beatty
Nanoparticles
Oncology
Therapeutic diagnostics
GMO agriculture
BNF
Metrics
H-Index
i10 Index
Citation
31
38
4,702
* Rankings
Ranking Based On Selection :12
Michael D Fleischauer
lithium batteries
high temperature electrochemistry
in-situ
operando
Metrics
H-Index
i10 Index
Citation
28
40
3,314
* Rankings
Ranking Based On Selection :13
Marek Malac
Electron microscopy
electron energy loss spectrroscopy
electron tomography
electron holography
thin film growth
Metrics
H-Index
i10 Index
Citation
27
66
5,414
* Rankings
Ranking Based On Selection :15
Peichun Amy Tsai
Nanofluidics and Microfluidics
Wetting
Complex Fluids
Drop Impact
Porous Media Flow
Metrics
H-Index
i10 Index
Citation
25
45
4,642
* Rankings
Ranking Based On Selection :16
Maria Stepanova
Nano-biological interfaces
structure and dynamics of biopolymers
nanofabrication
nanoplasmonics
nanoscale self-assembly
Metrics
H-Index
i10 Index
Citation
25
46
1,924
* Rankings
Ranking Based On Selection :17
Keren Jiang
Renewable Energy
Material Chemistry
MEMs
Nanotechnology
AFM
Metrics
H-Index
i10 Index
Citation
24
30
1,958
* Rankings
Ranking Based On Selection :18
Shailendra K Saxena
Photonics
Photocurrent
Photodetectors
Nanotechnology
Molecular Electronics
Metrics
H-Index
i10 Index
Citation
23
44
1,464
* Rankings
Ranking Based On Selection :19
Prashanthi Kovur
Analytical Techniques
Biosensors
Micro/nanofabrication
Nanosensors
Nanotechnology
Metrics
H-Index
i10 Index
Citation
23
33
1,750
Paul Emile Trudeau
Nanotechnology
renewable energy
solar
solid state lighting
physical chemistry
Metrics
H-Index
i10 Index
Citation
12
12
1,111
Ahmed H Elmenoufy
Medicinal Chemistry
Organic Chemistry
Drug Design and Discovery
Industrial and Process Chemistry
Metrics
H-Index
i10 Index
Citation
8
7
611
Rankings
Ranking Based On Selection: 1
Theresa M Allen
Metrics
H-Index
i10 Index
Citation Counts
96
223
48,192
liposomes
drug delivery
nanoparticles
targeted drug delivery
Rankings
Ranking Based On Selection: 2
Mohamed Gamal El Din
Metrics
H-Index
i10 Index
Citation Counts
73
255
17,809
Reclamation
Advanced Oxidation
Filtration
Adsorption
Nanotechnology
Rankings
Ranking Based On Selection: 3
Jillian Buriak
Metrics
H-Index
i10 Index
Citation Counts
66
166
17,312
Nanoscience
self-assembly
surface chemistry
solar energy
batteries
Rankings
Ranking Based On Selection: 4
Huanlei Wang
Metrics
H-Index
i10 Index
Citation Counts
64
151
16,712
carbon-based nanomaterials for energy storage and conversion
Rankings
Ranking Based On Selection: 5
Karthik Shankar
Metrics
H-Index
i10 Index
Citation Counts
61
148
25,017
Nanotechnology & Nanoplasmonics
Photocatalysis
Organic & Hybrid Electronics
Microwave Resonators
1D Biomacromolecules
Rankings
Ranking Based On Selection: 6
Afsaneh Lavasanifar
Metrics
H-Index
i10 Index
Citation Counts
61
151
14,532
Rankings
Ranking Based On Selection: 7
Zhi Li
Metrics
H-Index
i10 Index
Citation Counts
46
64
12,295
nanomaterials
energy storage
catalysts
battery
supercapacitors
Rankings
Ranking Based On Selection: 8
John Lewis
Metrics
H-Index
i10 Index
Citation Counts
46
87
7,135
Prostate Cancer
Intravital Imaging
Metastasis
Nanoparticles
Rankings
Ranking Based On Selection: 9
Abdulhakem Y Elezzabi
Metrics
H-Index
i10 Index
Citation Counts
46
135
6,650
Nanophotonics
Ultrafast Nanoplasmonics
Terahertz
Nonlinear Optics
Rankings
Ranking Based On Selection: 10
Anh H Nguyen
Metrics
H-Index
i10 Index
Citation Counts
45
122
7,556
Nano-theranostics
Nanomaterials
Nano-Fab
Medical Diagnostics devices
Bio-nanoparticles
Rankings
Ranking Based On Selection: 11
Perrin H Beatty
Metrics
H-Index
i10 Index
Citation Counts
31
38
4,702
Nanoparticles
Oncology
Therapeutic diagnostics
GMO agriculture
BNF
Rankings
Ranking Based On Selection: 12
Michael D Fleischauer
Metrics
H-Index
i10 Index
Citation Counts
28
40
3,314
lithium batteries
high temperature electrochemistry
in-situ
operando
Rankings
Ranking Based On Selection: 13
Marek Malac
Metrics
H-Index
i10 Index
Citation Counts
27
66
5,414
Electron microscopy
electron energy loss spectrroscopy
electron tomography
electron holography
thin film growth
Rankings
Ranking Based On Selection: 14
Brian C Olsen
Metrics
H-Index
i10 Index
Citation Counts
26
37
7,850
Rankings
Ranking Based On Selection: 15
Peichun Amy Tsai
Metrics
H-Index
i10 Index
Citation Counts
25
45
4,642
Nanofluidics and Microfluidics
Wetting
Complex Fluids
Drop Impact
Porous Media Flow
Rankings
Ranking Based On Selection: 16
Maria Stepanova
Metrics
H-Index
i10 Index
Citation Counts
25
46
1,924
Nano-biological interfaces
structure and dynamics of biopolymers
nanofabrication
nanoplasmonics
nanoscale self-assembly
Rankings
Ranking Based On Selection: 17
Keren Jiang
Metrics
H-Index
i10 Index
Citation Counts
24
30
1,958
Renewable Energy
Material Chemistry
MEMs
Nanotechnology
AFM
Rankings
Ranking Based On Selection: 18
Shailendra K Saxena
Metrics
H-Index
i10 Index
Citation Counts
23
44
1,464
Photonics
Photocurrent
Photodetectors
Nanotechnology
Molecular Electronics
Rankings
Ranking Based On Selection: 19
Prashanthi Kovur
Metrics
H-Index
i10 Index
Citation Counts
23
33
1,750
Analytical Techniques
Biosensors
Micro/nanofabrication
Nanosensors
Nanotechnology
Rankings
Ranking Based On Selection: 20
Joseph Losby
Metrics
H-Index
i10 Index
Citation Counts
16
22
697
Rankings
Ranking Based On Selection: 21
Paul Emile Trudeau
Metrics
H-Index
i10 Index
Citation Counts
12
12
1,111
Nanotechnology
renewable energy
solar
solid state lighting
physical chemistry
Rankings
Ranking Based On Selection: 22
Shyam Garg
Metrics
H-Index
i10 Index
Citation Counts
10
10
657
Rankings
Ranking Based On Selection: 23
Ahmed H Elmenoufy
Metrics
H-Index
i10 Index
Citation Counts
8
7
611
Medicinal Chemistry
Organic Chemistry
Drug Design and Discovery
Industrial and Process Chemistry