Productivity Rankings is an exclusive service provided by AD Scientific Index. This ranking system, derived from the i10 index, highlights the productivity of scientists in publishing impactful scientific articles. Productivity Rankings serves as a tool to identify highly productive scientists across specific areas, disciplines, universities, and countries, and supports the creation of effective incentives and academic policies. The global, regional, and institutional rankings of scientists in this table are calculated based on their total i10 index. Moreover, you can explore special rankings derived from Productivity Rankings, such as Scientists Last 6 Years' i10 Index, Universities Total i10 Index Rankings 2025, Universities Last 6 Years' i10 Index Rankings 2025, Art and Humanities i10 Productivity Rankings, and Social Sciences and Humanities i10 Productivity Rankings.
* Total i10 IndexRankings
Ranking Based On Selection :1
Surgery
Mycetoma
Medical Education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
201
147
0.731
* Total i10 IndexRankings
Ranking Based On Selection :2
Surgery
Colorectal Surgery
Bariatric Surgery
Stem cells
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
158
153
0.968
* Total i10 IndexRankings
Ranking Based On Selection :3
Surgery
Oncology
Education & Health Systems
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
101
84
0.832
* Total i10 IndexRankings
Ranking Based On Selection :4
Thoracic surgical oncology
Esophageal cancer
Lung Cancer
Mesothelioma
Meta-analysis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
96
93
0.969
* Total i10 IndexRankings
Ranking Based On Selection :5
Surgical Oncology and Gastroenterology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
90
73
0.811
* Total i10 IndexRankings
Ranking Based On Selection :6
Gastrointestinal
Bariatric Surgery
Hepatobiliary Pancreatic surgery
Laparoscopy
ERCP
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
77
68
0.883
* Total i10 IndexRankings
Ranking Based On Selection :7
Surgery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
76
59
0.776
* Total i10 IndexRankings
Ranking Based On Selection :8
General surgery
minimally invasive surgery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
71
60
0.845
* Total i10 IndexRankings
Ranking Based On Selection :9
Breast Cancer
General Surgery
Genetic Epidemiology
Bioethics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
69
54
0.783
* Total i10 IndexRankings
Ranking Based On Selection :10
Colorectal Surgery
Colorectal Cancer
Benign Coloproctology
Pelvic Floor Disorders
Hernia Surgery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
66
66
1.000
* Total i10 IndexRankings
Ranking Based On Selection :11
Skull base surgery
low-cost surgical innovations for limited-resource practice
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
51
0.810
* Total i10 IndexRankings
Ranking Based On Selection :12
General surgery
global health
medical education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
61
50
0.820
* Total i10 IndexRankings
Ranking Based On Selection :13
Breast Cancer
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
46
0.852
* Total i10 IndexRankings
Ranking Based On Selection :14
Liver Transplantation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
30
0.556
* Total i10 IndexRankings
Ranking Based On Selection :15
General Surgery
GI/HPB/Endocrine Surgery
Oncology
Laparoscopy/Endoscopy
Medical Education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
49
1.000
* Total i10 IndexRankings
Ranking Based On Selection :16
Digestive Surgical Oncology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
42
0.913
* Total i10 IndexRankings
Ranking Based On Selection :17
Human Anatomy
General Surgery
Digestive surgery
anatomical variability
trauma care
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
32
0.696
* Total i10 IndexRankings
Ranking Based On Selection :18
General Surgery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
41
0.932
* Total i10 IndexRankings
Ranking Based On Selection :19
Liver Transplantation
Liver Tumors
Biliary Tumors
Pancreatic Tumors
Laparoscopic Surgery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
43
38
0.884
* Total i10 IndexRankings
Ranking Based On Selection :20
digestive surgery
laparoscopic surgery
liver transplant
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
43
21
0.488
* Total i10 IndexRankings
Ranking Based On Selection :21
Surgical oncology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
28
0.667
* Total i10 IndexRankings
Ranking Based On Selection :22
General
Colorectal surgery
laparoscopic Surgery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
40
0.976
* Total i10 IndexRankings
Ranking Based On Selection :23
surgery
laparoscopy
trauma&emergency surgery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
36
0.878
* Total i10 IndexRankings
Ranking Based On Selection :24
General surgery - Colo-rectal surgery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
36
0.947
* Total i10 IndexRankings
Ranking Based On Selection :25
Surgery
Oncology
Bioethics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
22
0.595
Ahmed Hassan Fahal
University of Khartoum
Khartoum, Sudan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
201
147
0.731
Surgery
Mycetoma
Medical Education
Sameh Emile|Sameh Hany Emile
Mansoura University
Mansoura, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
158
153
0.968
Surgery
Colorectal Surgery
Bariatric Surgery
Stem cells
Moses Galukande
Makerere University
Kampala, Uganda
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
101
84
0.832
Surgery
Oncology
Education & Health Systems
Mohamed Rahouma
Cairo University
Giza, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
96
93
0.969
Thoracic surgical oncology
Esophageal cancer
Lung Cancer
Mesothelioma
Meta-analysis
Olusegun Alatise
Obafemi Awolowo University
Ile-Ife, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
90
73
0.811
Surgical Oncology and Gastroenterology
Ayman El Nakeeb
Mansoura University
Mansoura, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
77
68
0.883
Gastrointestinal
Bariatric Surgery
Hepatobiliary Pancreatic surgery
Laparoscopy
ERCP
Ahmed Saad
Beni Suef University
Beni-Suef, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
76
59
0.776
Adewale O Adisa
Obafemi Awolowo University
Ile-Ife, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
71
60
0.845
General surgery
minimally invasive surgery
Temidayo Ogundiran
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
69
54
0.783
Breast Cancer
General Surgery
Genetic Epidemiology
Bioethics
Mostafa Shalaby
Mansoura University
Mansoura, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
66
66
1.000
Colorectal Surgery
Colorectal Cancer
Benign Coloproctology
Pelvic Floor Disorders
Hernia Surgery
Amos Olufemi Adeleye
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
51
0.810
Skull base surgery
low-cost surgical innovations for limited-resource practice
Patrick Kyamanywa
Uganda Martyrs University
Kampala, Uganda
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
61
50
0.820
General surgery
global health
medical education
JN Clegg Lamptey
University of Ghana
Legon, Ghana
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
46
0.852
Jean Botha
University of the Witwatersrand
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
30
0.556
Ademola Adeyeye
Afe Babalola University
Ado-Ekiti, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
49
1.000
General Surgery
GI/HPB/Endocrine Surgery
Oncology
Laparoscopy/Endoscopy
Medical Education
Mohammed Anass Majbar
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
42
0.913
Digestive Surgical Oncology
Hassan Saidi
University of Nairobi
Nairobi, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
32
0.696
Human Anatomy
General Surgery
Digestive surgery
anatomical variability
trauma care
Mohamed El Shinawi
Ain Shams University
Cairo, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
41
0.932
Ahmed Shehta
Mansoura University
Mansoura, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
43
38
0.884
Liver Transplantation
Liver Tumors
Biliary Tumors
Pancreatic Tumors
Laparoscopic Surgery
Ahmad Mohammad Sultan
Mansoura University
Mansoura, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
43
21
0.488
digestive surgery
laparoscopic surgery
liver transplant
Stanley Anyanwu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
28
0.667
Ahmad Sakr
Mansoura University
Mansoura, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
40
0.976
General
Colorectal surgery
laparoscopic Surgery
Wagih Mommtaz Ghnnam
Mansoura University
Mansoura, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
36
0.878
surgery
laparoscopy
trauma&emergency surgery
Waleed Thabet
Mansoura University
Mansoura, Egypt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
36
0.947
General surgery - Colo-rectal surgery
Emmanuel Ezeome
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
22
0.595
Surgery
Oncology
Bioethics