Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 349 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
Biotechnology
Molecular Cell Biology
Infection Biolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,370
7,470
0.430
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* Total Citation Counts Rankings
Ranking Based On Selection: 2
Microbial Biotechnolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,641
3,601
0.542
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,796
3,718
0.775
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Biochemistry and Molecular Biolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,150
1,716
0.413
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Biotechnology
algae
bacteri
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,365
3,031
0.901
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,228
632
0.196
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Bioprocess Engineering
Renewable Energy
Wastewater Treatmen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,059
1,711
0.559
* Total Citation Counts Rankings
Ranking Based On Selection: 8
agricultural engineering (Irrigation and drainage engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,950
2,682
0.909
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,749
1,828
0.665
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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Business Administratio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,401
1,514
0.631
* Total Citation Counts Rankings
Ranking Based On Selection: 11
immuology
molecular biolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,290
1,281
0.559
* Total Citation Counts Rankings
Ranking Based On Selection: 12
poultry disease
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,184
1,557
0.713
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Food biotechnology
genetically modified food
food chemistr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,003
1,013
0.506
* Total Citation Counts Rankings
Ranking Based On Selection: 14
microbiology
process engineerin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,831
1,196
0.653
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Tourism Development
Human Resources in Tourism
Poverty Reduction
Travel Agencie
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,795
1,670
0.930
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Molecular Cell Biology
Immunology
and Medical Technolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,764
441
0.250
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Food and Dairy biotechnology
Food and Dairy Microbiology
Functional foods
Probiotics
Prebiotics dairy science and technolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,562
979
0.627
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Molecular Biolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,522
931
0.612
* Total Citation Counts Rankings
Ranking Based On Selection: 19
marketin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,515
869
0.574
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Hydrogeolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,456
1,444
0.992
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Plant Biotechnolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,442
420
0.291
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Nano photochemistr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,340
620
0.463
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Infectious Diseases
Virology
Bacteriology
Parasitology Epidemiolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,210
955
0.789
* Total Citation Counts Rankings
Ranking Based On Selection: 24
HRM - Tourism Management - Leadership - Entrepreneurship - Tourism Marketin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,161
1,113
0.959
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Animal infectious diseases
bacteriology
immunology and biotechnolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,129
782
0.693
* Total Citation Counts Rankings
Rankings
52,683
63
1
Ranking Based On Selection: 1
Hany Khalil
University of Sadat City
Monufia, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,370
7,470
0.430
Biotechnology
Molecular Cell Biology
Infection Biolog
* Total Citation Counts Rankings
Rankings
164,250
289
2
Ranking Based On Selection: 2
Atef Ibrahim
University of Sadat City
Monufia, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,641
3,601
0.542
* Total Citation Counts Rankings
Rankings
226,404
469
3
Ranking Based On Selection: 3
Awad A Shehata
University of Sadat City
Monufia, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,796
3,718
0.775
* Total Citation Counts Rankings
Rankings
258,826
593
4
Ranking Based On Selection: 4
Mohamed F Elshal
University of Sadat City
Monufia, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,150
1,716
0.413
Biochemistry and Molecular Biolog
* Total Citation Counts Rankings
Rankings
310,215
796
5
Ranking Based On Selection: 5
Ragaa Hamouda
University of Sadat City
Monufia, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,365
3,031
0.901
Biotechnology
algae
bacteri
* Total Citation Counts Rankings
Rankings
321,276
857
6
Ranking Based On Selection: 6
Alaa Ahmed
University of Sadat City
Monufia, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,228
632
0.196
* Total Citation Counts Rankings
Rankings
335,735
933
7
Ranking Based On Selection: 7
Ahmed Elmekawy
University of Sadat City
Monufia, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,059
1,711
0.559
Bioprocess Engineering
Renewable Energy
Wastewater Treatmen
* Total Citation Counts Rankings
Rankings
345,811
978
8
Ranking Based On Selection: 8
Salah Elsayed
University of Sadat City
Monufia, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,950
2,682
0.909
agricultural engineering (Irrigation and drainage engineering
* Total Citation Counts Rankings
Rankings
365,995
1,057
9
Ranking Based On Selection: 9
Shaaban H Moussa
University of Sadat City
Monufia, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,749
1,828
0.665
* Total Citation Counts Rankings
Rankings
405,990
1,258
10
Ranking Based On Selection: 10
Wageeh A Nafei
University of Sadat City
Monufia, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,401
1,514
0.631
Business Administratio
Smart Institutional Plan
Powerful Insights + Smart Membership = Institutional Success
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* Total Citation Counts Rankings
Rankings
420,529
1,348
11
Ranking Based On Selection: 11
Roba Talaat
University of Sadat City
Monufia, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,290
1,281
0.559
* Total Citation Counts Rankings
Rankings
435,248
1,427
12
Ranking Based On Selection: 12
Mahmoud Ibrahim
University of Sadat City
Monufia, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,184
1,557
0.713
* Total Citation Counts Rankings
Rankings
462,985
1,612
13
Ranking Based On Selection: 13
Rafaat M Elsanhoty
University of Sadat City
Monufia, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,003
1,013
0.506
Food biotechnology
genetically modified food
food chemistr
* Total Citation Counts Rankings
Rankings
492,642
1,784
14
Ranking Based On Selection: 14
Ashraf Hawase Elbaz
University of Sadat City
Monufia, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,831
1,196
0.653
microbiology
process engineerin
* Total Citation Counts Rankings
Rankings
499,381
1,839
15
Ranking Based On Selection: 15
Ahmed Mohamed Elbaz
University of Sadat City
Monufia, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,795
1,670
0.930
Tourism Development
Human Resources in Tourism
Poverty Reduction
Travel Agencie
* Total Citation Counts Rankings
Rankings
505,492
1,890
16
Ranking Based On Selection: 16
Mahmoud Lotfy
University of Sadat City
Monufia, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,764
441
0.250
Molecular Cell Biology
Immunology
and Medical Technolog
* Total Citation Counts Rankings
Rankings
546,488
2,182
17
Ranking Based On Selection: 17
Hoda Mahrous
University of Sadat City
Monufia, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,562
979
0.627
Food and Dairy biotechnology
Food and Dairy Microbiology
Functional foods
Probiotics
Prebiotics dairy science and technolog
* Total Citation Counts Rankings
Rankings
555,607
2,263
18
Ranking Based On Selection: 18
Mohamed Mohamed Ahmed
University of Sadat City
Monufia, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,522
931
0.612
* Total Citation Counts Rankings
Rankings
557,248
2,274
19
Ranking Based On Selection: 19
Rasha Kamal
University of Sadat City
Monufia, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,515
869
0.574
* Total Citation Counts Rankings
Rankings
570,851
2,395
20
Ranking Based On Selection: 20
Mohamed Gad
University of Sadat City
Monufia, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,456
1,444
0.992
* Total Citation Counts Rankings
Rankings
574,486
2,430
21
Ranking Based On Selection: 21
Yaseen Mohamed
University of Sadat City
Monufia, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,442
420
0.291
* Total Citation Counts Rankings
Rankings
600,234
2,663
22
Ranking Based On Selection: 22
Hoda Hafez
University of Sadat City
Monufia, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,340
620
0.463
* Total Citation Counts Rankings
Rankings
636,543
2,959
23
Ranking Based On Selection: 23
Mohamed Nayel
University of Sadat City
Monufia, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,210
955
0.789
Infectious Diseases
Virology
Bacteriology
Parasitology Epidemiolog
* Total Citation Counts Rankings
Rankings
651,173
3,100
24
Ranking Based On Selection: 24
Bassam Samir Alromeedy
University of Sadat City
Monufia, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,161
1,113
0.959
HRM - Tourism Management - Leadership - Entrepreneurship - Tourism Marketin
* Total Citation Counts Rankings
Rankings
661,291
3,188
25
Ranking Based On Selection: 25
Ahmed Elsify
University of Sadat City
Monufia, Egypt
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,129
782
0.693
Animal infectious diseases
bacteriology
immunology and biotechnolog