On AD Scientific Index, you can explore the individual achievements of scientists in detail and evaluate their academic productivity based on total and recent H-index, i10 index, and citation counts. With Premium Membership, gain access to extended analyses and detailed data to assess and enhance your academic performance more effectively.
* Total H Index Rankings
Ranking Based
On Selection: 1
![Ara Darzi](/user/assets/images/profile/no-profile-photo.png)
Surgery
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
164
95
0.579
* Total H Index Rankings
Ranking Based
On Selection: 2
![Alastair M Thompson](https://cdn.adscientificindex.com/pictures/0f/1365820.jpg)
cancer
audit
surgery
breast
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
159
113
0.711
* Total H Index Rankings
Ranking Based
On Selection: 3
![Paris Tekkis](https://cdn.adscientificindex.com/pictures/d0/1214740.jpg)
Colorectal cancer
Anal Cancer
Inflammatory bowel disease
Diverticular disease
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
116
61
0.526
* Total H Index Rankings
Ranking Based
On Selection: 4
![Freddie Hamdy](/user/assets/images/profile/no-profile-photo.png)
Prostate cancer
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
111
58
0.523
* Total H Index Rankings
Ranking Based
On Selection: 5
![Alfred Cuschieri](https://cdn.adscientificindex.com/pictures/4f/1365843.jpg)
Surgery and surgical technology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
109
49
0.450
* Total H Index Rankings
Ranking Based
On Selection: 6
![peter j morris](https://cdn.adscientificindex.com/pictures/a2/1365878.jpg)
organ transplantation
transplantation biology
evidence in transplantation
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
108
30
0.278
* Total H Index Rankings
Ranking Based
On Selection: 7
![Brian R Davidson](https://cdn.adscientificindex.com/pictures/b6/1365825.jpg)
Surgery
transplant
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
107
62
0.579
* Total H Index Rankings
Ranking Based
On Selection: 8
![Gina Brown](https://cdn.adscientificindex.com/pictures/64/4918730.jpg)
Colorectal Carcinoma
prognostic factors
multidisciplinary management
primary and metastatic disease
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
97
59
0.608
* Total H Index Rankings
Ranking Based
On Selection: 9
![Neil Mortensen](https://cdn.adscientificindex.com/pictures/f7/1240746.jpg)
surgery and colorectal disease
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
95
41
0.432
* Total H Index Rankings
Ranking Based
On Selection: 10
![Robert E Mansel](/user/assets/images/profile/no-profile-photo.png)
Surgery
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
94
33
0.351
* Total H Index Rankings
Ranking Based
On Selection: 11
![Robert J Steele](/user/assets/images/profile/no-profile-photo.png)
Cancer
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
88
45
0.511
* Total H Index Rankings
Ranking Based
On Selection: 12
![George B Hanna](/user/assets/images/profile/no-profile-photo.png)
Surgery
Laparoscopic surgery
oesophago-gastric cancer
volatile organic compounds
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
84
58
0.690
* Total H Index Rankings
Ranking Based
On Selection: 13
![Peter J Friend](/user/assets/images/profile/no-profile-photo.png)
Normothermic Organ Preservation
Solid Organ Transplantation
Hepatobiliary Surgery
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
79
40
0.506
* Total H Index Rankings
Ranking Based
On Selection: 14
![RL Batterham](https://cdn.adscientificindex.com/pictures/b0/1370746.jpg)
Energy homeostasis
central regulation of appetite and body weight
gut hormones
bariatric surgery
type 2 diabetes
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
78
60
0.769
* Total H Index Rankings
Ranking Based
On Selection: 15
![Massimo Malago](/user/assets/images/profile/no-profile-photo.png)
Surgery
liver transplantation
live donor
cholangiocarcinoma
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
76
35
0.461
* Total H Index Rankings
Ranking Based
On Selection: 16
![Sheraz Markar](/user/assets/images/profile/no-profile-photo.png)
Surgery
Cancer
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
75
56
0.747
* Total H Index Rankings
Ranking Based
On Selection: 17
![Hutan Ashrafian](https://cdn.adscientificindex.com/pictures/21/1604449.jpg)
surgery
obesity
artificial intelligence
philosophy
diabetes
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
73
59
0.808
* Total H Index Rankings
Ranking Based
On Selection: 18
![Jon Lund](https://cdn.adscientificindex.com/pictures/f0/1158255.jpg)
colorectal surgery
surgery
general surgery
surgical education
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
66
48
0.727
* Total H Index Rankings
Ranking Based
On Selection: 19
![David Jayne](https://cdn.adscientificindex.com/pictures/87/1152107.jpg)
General Surgery
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
64
47
0.734
* Total H Index Rankings
Ranking Based
On Selection: 20
![Peter Mcculloch](https://cdn.adscientificindex.com/pictures/95/1209433.jpg)
clinical trials methodology
surgery
patient safety
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
63
42
0.667
* Total H Index Rankings
Ranking Based
On Selection: 21
![Sanjay Purkayastha](https://cdn.adscientificindex.com/pictures/5c/1495902.jpg)
surgery
robotics
digital health
AI & ML in healthcare
obesity
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
62
37
0.597
* Total H Index Rankings
Ranking Based
On Selection: 22
![Hemant Kocher](https://cdn.adscientificindex.com/pictures/b1/1353926.jpg)
pancreatic cancer
surgery
liver surgery
pancreatic surgery
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
61
48
0.787
* Total H Index Rankings
Ranking Based
On Selection: 23
![Thomas M Drake](https://cdn.adscientificindex.com/pictures/d6/1345196.jpg)
Cancer
Surgery
Global Health
Precision Medicine
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
60
57
0.950
* Total H Index Rankings
Ranking Based
On Selection: 24
![Keith J Roberts](https://cdn.adscientificindex.com/pictures/b2/4321714.jpg)
Liver surgery
Pancreatic surgery
Pancreatitis
Pancreatic cancer
Liver Transplantation
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
59
47
0.797
* Total H Index Rankings
Ranking Based
On Selection: 25
![Andrew J Hayes](/user/assets/images/profile/no-profile-photo.png)
surgical oncology
sarcoma
melanoma
isolated limb perfusion
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
58
42
0.724
Ara Darzi
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
164
95
0.579
Alastair M Thompson
University of Dundee
Dundee, United Kingdom
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
159
113
0.711
cancer
audit
surgery
breast
Paris Tekkis
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
116
61
0.526
Colorectal cancer
Anal Cancer
Inflammatory bowel disease
Diverticular disease
Freddie Hamdy
University of Oxford
Oxford, United Kingdom
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
111
58
0.523
Alfred Cuschieri
University of Dundee
Dundee, United Kingdom
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
109
49
0.450
Surgery and surgical technology
peter j morris
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
108
30
0.278
organ transplantation
transplantation biology
evidence in transplantation
Brian R Davidson
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
107
62
0.579
Gina Brown
Royal Marsden Hospital
London, United Kingdom
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
97
59
0.608
Colorectal Carcinoma
prognostic factors
multidisciplinary management
primary and metastatic disease
Neil Mortensen
University of Oxford
Oxford, United Kingdom
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
95
41
0.432
surgery and colorectal disease
Robert E Mansel
Cardiff University
Cardiff, United Kingdom
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
94
33
0.351
Robert J Steele
University of Dundee
Dundee, United Kingdom
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
88
45
0.511
George B Hanna
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
84
58
0.690
Surgery
Laparoscopic surgery
oesophago-gastric cancer
volatile organic compounds
Peter J Friend
University of Oxford
Oxford, United Kingdom
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
79
40
0.506
Normothermic Organ Preservation
Solid Organ Transplantation
Hepatobiliary Surgery
RL Batterham
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
78
60
0.769
Energy homeostasis
central regulation of appetite and body weight
gut hormones
bariatric surgery
type 2 diabetes
Massimo Malago
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
76
35
0.461
Surgery
liver transplantation
live donor
cholangiocarcinoma
Sheraz Markar
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
75
56
0.747
Hutan Ashrafian
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
73
59
0.808
surgery
obesity
artificial intelligence
philosophy
diabetes
Jon Lund
University of Nottingham
Nottingham, United Kingdom
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
66
48
0.727
colorectal surgery
surgery
general surgery
surgical education
David Jayne
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
64
47
0.734
Peter Mcculloch
University of Oxford
Oxford, United Kingdom
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
63
42
0.667
clinical trials methodology
surgery
patient safety
Sanjay Purkayastha
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
62
37
0.597
surgery
robotics
digital health
AI & ML in healthcare
obesity
Hemant Kocher
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
61
48
0.787
pancreatic cancer
surgery
liver surgery
pancreatic surgery
Thomas M Drake
University of Edinburgh
Edinburgh, United Kingdom
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
60
57
0.950
Cancer
Surgery
Global Health
Precision Medicine
Keith J Roberts
University of Birmingham
Birmingham, United Kingdom
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
59
47
0.797
Liver surgery
Pancreatic surgery
Pancreatitis
Pancreatic cancer
Liver Transplantation
Andrew J Hayes
Royal Marsden Hospital
London, United Kingdom
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
58
42
0.724
surgical oncology
sarcoma
melanoma
isolated limb perfusion