Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 137 Scientists Citation Rankings - 2025
Discover the world’s highly cited researchers through the AD Scientific Index 2025 Citation Rankings.
These rankings evaluate scientists based on their total and recent citation counts, capturing the breadth and real-time currency of academic recognition. Citation data reveals how widely a scholar’s work is referenced, applied, and extended across diverse disciplines. The rankings are routinely updated to reflect ongoing citation growth, while eliminating distortions from excessive co-authorship and institutional inflation. Premium tools provide access to detailed citation dynamics, unethical citation behavior detection, and field-normalized benchmarking.
* Total Citation Counts Rankings
Ranking Based On Selection: 1
Ecosystem Services
Climate Change
Environment
Rural livelihoods
Forestr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,706
5,008
0.878
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* Total Citation Counts Rankings
Ranking Based On Selection: 2
Adsorption
waste water treatment
Development of new adsorbents
Surfactants solution propertie
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,202
2,411
0.753
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Microbiolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,842
1,878
0.661
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Nature conservation
human-wildlife interactions
wildlife ecology & management
landscape scienc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,411
1,895
0.786
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Li/Na - Ion Battery
Micro battery
Flexible battery
Nanostructured materials for LIB/SI
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,364
861
0.364
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Remote Sensing
GIS
Land Cover
Forest Monitorin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,236
2,075
0.928
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Remote Sensing
GIS
Landscape Changes
Environmental Sustainabilit
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,841
1,757
0.954
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Ecology
Ornithology
Urbanisation
Vertebrate Biology
Environmental Risk Assessmen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
886
882
0.995
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Ecotoxicology
Risk Assessment
Renewable Energ
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
810
696
0.859
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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Plant Physiology
water relations
Plant stress physiolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
779
519
0.666
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Public Health Research
Infectious Diseases
Zoonoses
Brucellosis
Food Safet
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
712
708
0.994
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Forestry
agroforestry
community forestry
rural livelihoods
extensio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
643
456
0.709
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Molecular biology/Microbiology
One-Health and Zoonotic disease
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
642
622
0.969
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Internet of Things
Cyber Physical Systems
SDN-based IoT
Industrial Informatics
Smart grid
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
625
533
0.853
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Organic Synthesis
Photochemistry
Natural Products chemistry
medicinal chemistry
environmental r
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
596
553
0.928
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Strategic Information Systems
Software development and Financial Systems modeling
e-commerce
Small business computing
E-lea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
548
240
0.438
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Natural resources management and governance
institutional managemen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
545
364
0.668
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Chemistry
Water Resources & Environmental Toxicolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
504
384
0.762
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Microbiology
Biotechnology
Biochemistry and Molecular Biolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
469
463
0.987
* Total Citation Counts Rankings
Ranking Based On Selection: 20
CFD-DEM
modeling and simulation
multiphase reaction engineering
multiphase flow measurements an
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
468
301
0.643
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Entrepreneurship/SMEs
Strategy
Finance
Innovation
Intellectual Propert
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
457
374
0.818
* Total Citation Counts Rankings
Ranking Based On Selection: 22
communications and Io
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
428
411
0.960
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Soil Science
Soil Fertility
Adaptation & Mitigation in Theory & Practice
Climate & Crop Modeling
Remote Sensing & GI
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
377
328
0.870
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Civil engineering materials
sustainable construction materials
geotechnics
transportatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
372
338
0.909
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Forest growth modeling
Data science
Micrometeorolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
328
229
0.698
* Total Citation Counts Rankings
Rankings
190,962
3
1
Ranking Based On Selection: 1
Felix Kanungwe Kalaba
Copperbelt University
Kitwe, Zambia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,706
5,008
0.878
Ecosystem Services
Climate Change
Environment
Rural livelihoods
Forestr
* Total Citation Counts Rankings
Rankings
322,732
11
2
Ranking Based On Selection: 2
Tanweer Ahmad
Copperbelt University
Kitwe, Zambia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,202
2,411
0.753
Adsorption
waste water treatment
Development of new adsorbents
Surfactants solution propertie
* Total Citation Counts Rankings
Rankings
355,541
13
3
Ranking Based On Selection: 3
Ponraj Mohanadoss
Copperbelt University
Kitwe, Zambia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,842
1,878
0.661
* Total Citation Counts Rankings
Rankings
403,960
18
4
Ranking Based On Selection: 4
Vincent R. Nyirenda
Copperbelt University
Kitwe, Zambia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,411
1,895
0.786
Nature conservation
human-wildlife interactions
wildlife ecology & management
landscape scienc
* Total Citation Counts Rankings
Rankings
409,905
19
5
Ranking Based On Selection: 5
Baskaran Rangasamy|Rangasamy Baskaran, R. Baskaran, Rangaswami Baskaran, B. Rangasamy
Copperbelt University
Kitwe, Zambia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,364
861
0.364
Li/Na - Ion Battery
Micro battery
Flexible battery
Nanostructured materials for LIB/SI
* Total Citation Counts Rankings
Rankings
427,004
20
6
Ranking Based On Selection: 6
Darius Phiri
Copperbelt University
Kitwe, Zambia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,236
2,075
0.928
* Total Citation Counts Rankings
Rankings
489,843
24
7
Ranking Based On Selection: 7
Matamyo Simwanda
Copperbelt University
Kitwe, Zambia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,841
1,757
0.954
Remote Sensing
GIS
Landscape Changes
Environmental Sustainabilit
* Total Citation Counts Rankings
Rankings
747,778
58
8
Ranking Based On Selection: 8
Moses Chibesa
Copperbelt University
Kitwe, Zambia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
886
882
0.995
Ecology
Ornithology
Urbanisation
Vertebrate Biology
Environmental Risk Assessmen
* Total Citation Counts Rankings
Rankings
779,501
68
9
Ranking Based On Selection: 9
Emmanuel Temiotan Ogbomida
Copperbelt University
Kitwe, Zambia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
810
696
0.859
Ecotoxicology
Risk Assessment
Renewable Energ
* Total Citation Counts Rankings
Rankings
793,311
72
10
Ranking Based On Selection: 10
Royd Vinya
Copperbelt University
Kitwe, Zambia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
779
519
0.666
Plant Physiology
water relations
Plant stress physiolog
Smart Institutional Plan
Powerful Insights + Smart Membership = Institutional Success
Unlock 360° Real-Time Institutional Analysis to identify your institution’s strengths and areas for improvement.
* Total Citation Counts Rankings
Rankings
824,444
78
11
Ranking Based On Selection: 11
Ruth Lindizyani Mfune
Copperbelt University
Kitwe, Zambia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
712
708
0.994
Public Health Research
Infectious Diseases
Zoonoses
Brucellosis
Food Safet
* Total Citation Counts Rankings
Rankings
860,098
85
12
Ranking Based On Selection: 12
Gillian Kabwe
Copperbelt University
Kitwe, Zambia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
643
456
0.709
Forestry
agroforestry
community forestry
rural livelihoods
extensio
* Total Citation Counts Rankings
Rankings
860,510
88
13
Ranking Based On Selection: 13
Benjamin Mubemba
Copperbelt University
Kitwe, Zambia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
642
622
0.969
Molecular biology/Microbiology
One-Health and Zoonotic disease
* Total Citation Counts Rankings
Rankings
869,859
91
14
Ranking Based On Selection: 14
Musa Ndiaye
Copperbelt University
Kitwe, Zambia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
625
533
0.853
Internet of Things
Cyber Physical Systems
SDN-based IoT
Industrial Informatics
Smart grid
* Total Citation Counts Rankings
Rankings
886,538
94
15
Ranking Based On Selection: 15
Indra Sen Singh|Singh I. S., Singh Sen Indra, I. S. Singh
Copperbelt University
Kitwe, Zambia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
596
553
0.928
Organic Synthesis
Photochemistry
Natural Products chemistry
medicinal chemistry
environmental r
* Total Citation Counts Rankings
Rankings
918,578
101
16
Ranking Based On Selection: 16
Alice Ps Shemi
Copperbelt University
Kitwe, Zambia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
548
240
0.438
Strategic Information Systems
Software development and Financial Systems modeling
e-commerce
Small business computing
E-lea
* Total Citation Counts Rankings
Rankings
920,619
103
17
Ranking Based On Selection: 17
Jacob Mwitwa
Copperbelt University
Kitwe, Zambia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
545
364
0.668
Natural resources management and governance
institutional managemen
* Total Citation Counts Rankings
Rankings
952,859
113
18
Ranking Based On Selection: 18
phenny mwaanga
Copperbelt University
Kitwe, Zambia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
504
384
0.762
Chemistry
Water Resources & Environmental Toxicolog
* Total Citation Counts Rankings
Rankings
982,909
123
19
Ranking Based On Selection: 19
Leonce Dusengemungu
Copperbelt University
Kitwe, Zambia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
469
463
0.987
Microbiology
Biotechnology
Biochemistry and Molecular Biolog
* Total Citation Counts Rankings
Rankings
984,230
125
20
Ranking Based On Selection: 20
Musango Lungu
Copperbelt University
Kitwe, Zambia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
468
301
0.643
CFD-DEM
modeling and simulation
multiphase reaction engineering
multiphase flow measurements an
* Total Citation Counts Rankings
Rankings
993,777
127
21
Ranking Based On Selection: 21
Bruce Mk Mwiya
Copperbelt University
Kitwe, Zambia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
457
374
0.818
Entrepreneurship/SMEs
Strategy
Finance
Innovation
Intellectual Propert
* Total Citation Counts Rankings
Rankings
1,020,596
139
22
Ranking Based On Selection: 22
Santhi Kumaran
Copperbelt University
Kitwe, Zambia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
428
411
0.960
* Total Citation Counts Rankings
Rankings
1,073,424
153
23
Ranking Based On Selection: 23
Charles B. Chisanga
Copperbelt University
Kitwe, Zambia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
377
328
0.870
Soil Science
Soil Fertility
Adaptation & Mitigation in Theory & Practice
Climate & Crop Modeling
Remote Sensing & GI
* Total Citation Counts Rankings
Rankings
1,078,968
155
24
Ranking Based On Selection: 24
Chewe Kambole
Copperbelt University
Kitwe, Zambia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
372
338
0.909
Civil engineering materials
sustainable construction materials
geotechnics
transportatio
* Total Citation Counts Rankings
Rankings
1,132,318
173
25
Ranking Based On Selection: 25
Phillimon Ng'andwe
Copperbelt University
Kitwe, Zambia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
328
229
0.698
Forest growth modeling
Data science
Micrometeorolog