Top 100 Scientists

Oceania Medical and Health Sciences / General Surgery 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" (910,673 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.

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Total 78 scientist
* Rankings
Ranking Based On Selection: 1
John A Windsor
Pancreatitis
Pancreatic Cancer
Upper GI and HBP Surgery
Medical Devices
Metrics
H-Index
i10 Index
Citation
93
326
31,403
* Rankings
Ranking Based On Selection: 3
David Watson
Esophageal disease
Esophageal surgery
Gastroesophageal reflux
Esophageal cancer
Metrics
H-Index
i10 Index
Citation
82
293
21,259
* Rankings
Ranking Based On Selection: 5
Daniel D Buchanan
Colorectal cancer genomics
Familial colorectal cancer and polyposis syndromes
Lynch syndrome
POLE/POLD1
Serrated Polyposis
Metrics
H-Index
i10 Index
Citation
78
234
23,087
* Rankings
Ranking Based On Selection: 6
Alexander Heriot
Colorectal Surgery
Colorectal Cancer
Lower gastrointestinal Cancer
Metrics
H-Index
i10 Index
Citation
70
205
15,898
* Rankings
Ranking Based On Selection: 7
Hill AG
Surgery
Education
Perioperative Care
Colorectal Surgery
Metrics
H-Index
i10 Index
Citation
70
238
19,787
* Rankings
Ranking Based On Selection: 8
AM Van Rij
vascular disease
venous disease
Aortic Aneurysm
Metrics
H-Index
i10 Index
Citation
69
166
20,755
* Rankings
Ranking Based On Selection: 9
Timothy Price
Colorectal cancer
Gastric cancer
Neuroendocrine malignancy
pancreatic cancer
translational research
Metrics
H-Index
i10 Index
Citation
67
258
38,398
* Rankings
Ranking Based On Selection: 10
Toby Richards
Clinical trials
Carotid Artery
Patient Blood Management
Intravenous Iron.
Metrics
H-Index
i10 Index
Citation
66
175
17,975

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* Rankings
Ranking Based On Selection: 15
Greg O Grady
Surgery
Medical Devices
Gut Motility
Intestinal Failure
Metrics
H-Index
i10 Index
Citation
50
181
9,222
* Rankings
Ranking Based On Selection: 17
Alistair Royse|Alistair George Royse
coronary surgery
echocardiography
total arterial revascularization
Metrics
H-Index
i10 Index
Citation
49
127
9,619
* Rankings
Ranking Based On Selection: 19
Ian Bissett
surgery
colorectal surgery
gastrointestinal motility
faecal incontinence
Metrics
H-Index
i10 Index
Citation
47
130
9,527
* Rankings
Ranking Based On Selection: 22
Heather Cleland
Burn Injury
Skin Tissue Engineering
Clinical Quality Registries
Metrics
H-Index
i10 Index
Citation
45
117
6,937
* Rankings
Ranking Based On Selection: 23
Vicki Whitehall
colorectal cancer
DNA methylation
molecular pathology
serrated polyps
Metrics
H-Index
i10 Index
Citation
45
80
12,093
* Rankings
Ranking Based On Selection: 25
Raymond Sacks
Rhinology and Anterior Skull base surgery
Metrics
H-Index
i10 Index
Citation
43
94
6,899
* Rankings
Ranking Based On Selection: 26
Brendon Coventry
General Surgery & Laparoscopic Surgery
Surgical Oncology
Melanoma
Skin Cancer
Breast
Metrics
H-Index
i10 Index
Citation
41
86
10,121
* Rankings
Ranking Based On Selection: 28
David G Hewett
Colonoscopy
colorectal cancer
endoscopy simulation
intergroup communication
quality of health care
Metrics
H-Index
i10 Index
Citation
37
75
7,062
* Rankings
Ranking Based On Selection: 30
Peter Pockney
Clinical Trials
Microbiome and GI Surgery
Bowel Cancer Screening
Metrics
H-Index
i10 Index
Citation
32
55
7,721
* Rankings
Ranking Based On Selection: 31
Matthew Pelletier
surgery
orthopaedics
bone
intervertebral disc
arthroplasty
Metrics
H-Index
i10 Index
Citation
30
59
2,723
* Rankings
Ranking Based On Selection: 32
Stijn Soenen
Ageing
Diabetes
Malnutrition
Frailty
Bariatric surgery
Metrics
H-Index
i10 Index
Citation
30
41
4,281
* Rankings
Ranking Based On Selection: 34
Cameron Wells
General Surgery
Gastrointestinal Surgery
Postoperative Recovery
Failure to Rescue
Metrics
H-Index
i10 Index
Citation
28
58
3,522
* Rankings
Ranking Based On Selection: 36
Murugan Kalimutho
Breast and colorectal cancers
Cell signalling
Targeted therapy
Cell cycle and DNA damage
Metrics
H-Index
i10 Index
Citation
26
36
2,687
Christopher B Nahm
Pancreatic cancer
Prognostic Biomarkers
Hepatopancreaticobiliary Surgery
Liver Tumours
Metrics
H-Index
i10 Index
Citation
25
39
2,271
Marcos Perini
Liver surgery
Liver transplantation
Hepatectomy
Biliary surgery
Pancreas surgery
Metrics
H-Index
i10 Index
Citation
25
56
2,548
Tony Pang
General Surgery
Hepatobiliary and Pancreatic Surgery
Pancreatic Cancer
Pancreatic Stellate Cells
Metrics
H-Index
i10 Index
Citation
25
42
2,013
* Rankings
Ranking Based On Selection: 41
Peter Cosman
Surgery
Cancer
Obesity
Medical Education
Medical Informatics
Metrics
H-Index
i10 Index
Citation
24
34
5,284
* Rankings
Ranking Based On Selection: 42
Joseph Cherng Kong
Colorectal Cancer
Robotic Colorectal Surgery
Translational Research
Metrics
H-Index
i10 Index
Citation
23
47
1,902
Geraldine Ooi
General Surgery
Obesity
Upper Gastrointestinal Surgery
Bariatric Surgery
Metrics
H-Index
i10 Index
Citation
23
37
2,456
Philip M Lewis
Neural Engineering
Bionic Vision
Brain Monitoring
Cerebral autoregulation
Intracranial pressure
Metrics
H-Index
i10 Index
Citation
23
28
1,896
Anthony R Glover
Endocrine Surgery
Thyroid Surgery
Thyroid Cancer
Surgical Education
Surgical Outcomes
Metrics
H-Index
i10 Index
Citation
21
37
1,510
Michael L Talbot
General Surgery
GI Endoscopy
GI Surgery
Bariatric Surgery
Metrics
H-Index
i10 Index
Citation
21
31
1,320
Heather Medbury
atherosclerosis
monocyte
macrophage
wound healing
Metrics
H-Index
i10 Index
Citation
18
26
998
Daniel Leonard Chan
Gastrointestinal surgery
Hernia
Bariatric Surgery
Surgical Oncology
Metrics
H-Index
i10 Index
Citation
17
26
907
* Rankings
Ranking Based On Selection: 52
Ellen Marks
Colorectal cancer
colitis
inflammatory bowel disease
ILC
TRUC
Metrics
H-Index
i10 Index
Citation
16
17
2,004
* Rankings
Ranking Based On Selection: 54
Tracy Fitzsimmons
Colorectal cancer
total neoadjuvant therapy
bowel cancer
Metrics
H-Index
i10 Index
Citation
14
15
1,121
* Rankings
Ranking Based On Selection: 55
Rebekah Jaung
Surgery
Colorectal Disease
Diverticular Disease
Health Equity
Racism and Anti-racism in health
Metrics
H-Index
i10 Index
Citation
14
16
791
Chandra Kirana
Sjogren Syndrome
Lupus
autoimmune diseases
proteomic
biomarkers
Metrics
H-Index
i10 Index
Citation
11
12
711
Kai M Brown
surgery
cancer
hepatopancreaticobiliary surgery
colorectal liver metastases
Metrics
H-Index
i10 Index
Citation
10
10
707
Danette Wright
Colorectal Surgery
General Surgery
Abdominal Wall Reconstruction
Intestinal Failure
Metrics
H-Index
i10 Index
Citation
8
7
265
Anil Gandhi
laparoscopic
Metabolic Surgery
Medical education
Metrics
H-Index
i10 Index
Citation
5
4
410
Alyssa J Budin
Bariatric Surgery
Patient-Reported Measures
Mental Health
Depression
Quality of Life
Metrics
H-Index
i10 Index
Citation
3
0
15
Rankings
Ranking Based On Selection: 1
John A Windsor
Metrics
H-Index
i10 Index
Citation Counts
93
326
31,403
Pancreatitis
Pancreatic Cancer
Upper GI and HBP Surgery
Medical Devices
Rankings
Ranking Based On Selection: 2
Guy J Maddern
Metrics
H-Index
i10 Index
Citation Counts
90
384
34,620
Rankings
Ranking Based On Selection: 3
David Watson
Metrics
H-Index
i10 Index
Citation Counts
82
293
21,259
Esophageal disease
Esophageal surgery
Gastroesophageal reflux
Esophageal cancer
Rankings
Ranking Based On Selection: 4
Michael J Solomon
Metrics
H-Index
i10 Index
Citation Counts
79
330
25,699
Rankings
Ranking Based On Selection: 5
Daniel D Buchanan
Metrics
H-Index
i10 Index
Citation Counts
78
234
23,087
Colorectal cancer genomics
Familial colorectal cancer and polyposis syndromes
Lynch syndrome
POLE/POLD1
Serrated Polyposis
Rankings
Ranking Based On Selection: 6
Alexander Heriot
Metrics
H-Index
i10 Index
Citation Counts
70
205
15,898
Colorectal Surgery
Colorectal Cancer
Lower gastrointestinal Cancer
Rankings
Ranking Based On Selection: 7
Hill AG
Metrics
H-Index
i10 Index
Citation Counts
70
238
19,787
Surgery
Education
Perioperative Care
Colorectal Surgery
Rankings
Ranking Based On Selection: 8
AM Van Rij
Metrics
H-Index
i10 Index
Citation Counts
69
166
20,755
Rankings
Ranking Based On Selection: 9
Timothy Price
Metrics
H-Index
i10 Index
Citation Counts
67
258
38,398
Colorectal cancer
Gastric cancer
Neuroendocrine malignancy
pancreatic cancer
translational research
Rankings
Ranking Based On Selection: 10
Toby Richards
Metrics
H-Index
i10 Index
Citation Counts
66
175
17,975
Clinical trials
Carotid Artery
Patient Blood Management
Intravenous Iron.

Maximize your institution's potential with our 360° Institutional Analysis Subscription and Institutional Exclusive Package, offering comprehensive insights and strategic advantages.

Rankings
Ranking Based On Selection: 12
Hojabr Kakavand
Metrics
H-Index
i10 Index
Citation Counts
63
75
46,876
Rankings
Ranking Based On Selection: 13
Terence C Chua
Metrics
H-Index
i10 Index
Citation Counts
60
170
12,568
Rankings
Ranking Based On Selection: 14
Debra Nestel
Metrics
H-Index
i10 Index
Citation Counts
58
177
13,517
Rankings
Ranking Based On Selection: 15
Greg O Grady
Metrics
H-Index
i10 Index
Citation Counts
50
181
9,222
Surgery
Medical Devices
Gut Motility
Intestinal Failure
Rankings
Ranking Based On Selection: 16
Robert Padbury
Metrics
H-Index
i10 Index
Citation Counts
50
91
32,491
Rankings
Ranking Based On Selection: 17
Alistair Royse|Alistair George Royse
Metrics
H-Index
i10 Index
Citation Counts
49
127
9,619
coronary surgery
echocardiography
total arterial revascularization
Rankings
Ranking Based On Selection: 18
Anand Deva
Metrics
H-Index
i10 Index
Citation Counts
48
94
8,870
Rankings
Ranking Based On Selection: 19
Ian Bissett
Metrics
H-Index
i10 Index
Citation Counts
47
130
9,527
surgery
colorectal surgery
gastrointestinal motility
faecal incontinence
Rankings
Ranking Based On Selection: 20
Cameron Platell
Metrics
H-Index
i10 Index
Citation Counts
47
116
7,995
Rankings
Ranking Based On Selection: 21
El Bokey
Metrics
H-Index
i10 Index
Citation Counts
47
109
8,162
Rankings
Ranking Based On Selection: 22
Heather Cleland
Metrics
H-Index
i10 Index
Citation Counts
45
117
6,937
Burn Injury
Skin Tissue Engineering
Clinical Quality Registries
Rankings
Ranking Based On Selection: 23
Vicki Whitehall
Metrics
H-Index
i10 Index
Citation Counts
45
80
12,093
colorectal cancer
DNA methylation
molecular pathology
serrated polyps
Rankings
Ranking Based On Selection: 24
Alexander Engel
Metrics
H-Index
i10 Index
Citation Counts
44
75
7,824
Rankings
Ranking Based On Selection: 25
Raymond Sacks
Metrics
H-Index
i10 Index
Citation Counts
43
94
6,899
Rankings
Ranking Based On Selection: 26
Brendon Coventry
Metrics
H-Index
i10 Index
Citation Counts
41
86
10,121
General Surgery & Laparoscopic Surgery
Surgical Oncology
Melanoma
Skin Cancer
Breast
Rankings
Ranking Based On Selection: 27
Sarah K Thompson
Metrics
H-Index
i10 Index
Citation Counts
39
107
7,188
Rankings
Ranking Based On Selection: 28
David G Hewett
Metrics
H-Index
i10 Index
Citation Counts
37
75
7,062
Colonoscopy
colorectal cancer
endoscopy simulation
intergroup communication
quality of health care
Rankings
Ranking Based On Selection: 29
Klaus Martin Schulte|Klaus-Martin Schulte
Metrics
H-Index
i10 Index
Citation Counts
36
77
4,893
Rankings
Ranking Based On Selection: 30
Peter Pockney
Metrics
H-Index
i10 Index
Citation Counts
32
55
7,721
Clinical Trials
Microbiome and GI Surgery
Bowel Cancer Screening
Rankings
Ranking Based On Selection: 31
Matthew Pelletier
Metrics
H-Index
i10 Index
Citation Counts
30
59
2,723
surgery
orthopaedics
bone
intervertebral disc
arthroplasty
Rankings
Ranking Based On Selection: 32
Stijn Soenen
Metrics
H-Index
i10 Index
Citation Counts
30
41
4,281
Ageing
Diabetes
Malnutrition
Frailty
Bariatric surgery
Rankings
Ranking Based On Selection: 33
Charbel Sandroussi
Metrics
H-Index
i10 Index
Citation Counts
29
55
3,298
Rankings
Ranking Based On Selection: 34
Cameron Wells
Metrics
H-Index
i10 Index
Citation Counts
28
58
3,522
General Surgery
Gastrointestinal Surgery
Postoperative Recovery
Failure to Rescue
Rankings
Ranking Based On Selection: 35
Ryash Vather
Metrics
H-Index
i10 Index
Citation Counts
28
37
2,905
Rankings
Ranking Based On Selection: 36
Murugan Kalimutho
Metrics
H-Index
i10 Index
Citation Counts
26
36
2,687
Breast and colorectal cancers
Cell signalling
Targeted therapy
Cell cycle and DNA damage
Rankings
Ranking Based On Selection: 37
Gregory L Falk
Metrics
H-Index
i10 Index
Citation Counts
26
54
2,027
Rankings
Ranking Based On Selection: 38
Christopher B Nahm
Metrics
H-Index
i10 Index
Citation Counts
25
39
2,271
Pancreatic cancer
Prognostic Biomarkers
Hepatopancreaticobiliary Surgery
Liver Tumours
Rankings
Ranking Based On Selection: 39
Marcos Perini
Metrics
H-Index
i10 Index
Citation Counts
25
56
2,548
Liver surgery
Liver transplantation
Hepatectomy
Biliary surgery
Pancreas surgery
Rankings
Ranking Based On Selection: 40
Tony Pang
Metrics
H-Index
i10 Index
Citation Counts
25
42
2,013
General Surgery
Hepatobiliary and Pancreatic Surgery
Pancreatic Cancer
Pancreatic Stellate Cells
Rankings
Ranking Based On Selection: 41
Peter Cosman
Metrics
H-Index
i10 Index
Citation Counts
24
34
5,284
Surgery
Cancer
Obesity
Medical Education
Medical Informatics
Rankings
Ranking Based On Selection: 42
Joseph Cherng Kong
Metrics
H-Index
i10 Index
Citation Counts
23
47
1,902
Colorectal Cancer
Robotic Colorectal Surgery
Translational Research
Rankings
Ranking Based On Selection: 43
Glen Guerra
Metrics
H-Index
i10 Index
Citation Counts
23
26
3,465
Rankings
Ranking Based On Selection: 44
Geraldine Ooi
Metrics
H-Index
i10 Index
Citation Counts
23
37
2,456
General Surgery
Obesity
Upper Gastrointestinal Surgery
Bariatric Surgery
Rankings
Ranking Based On Selection: 45
David Canty
Metrics
H-Index
i10 Index
Citation Counts
23
39
1,856
Rankings
Ranking Based On Selection: 46
Philip M Lewis
Metrics
H-Index
i10 Index
Citation Counts
23
28
1,896
Neural Engineering
Bionic Vision
Brain Monitoring
Cerebral autoregulation
Intracranial pressure
Rankings
Ranking Based On Selection: 47
Anthony R Glover
Metrics
H-Index
i10 Index
Citation Counts
21
37
1,510
Endocrine Surgery
Thyroid Surgery
Thyroid Cancer
Surgical Education
Surgical Outcomes
Rankings
Ranking Based On Selection: 48
Michael L Talbot
Metrics
H-Index
i10 Index
Citation Counts
21
31
1,320
General Surgery
GI Endoscopy
GI Surgery
Bariatric Surgery
Rankings
Ranking Based On Selection: 49
William Mulley
Metrics
H-Index
i10 Index
Citation Counts
19
39
1,437
Rankings
Ranking Based On Selection: 50
Heather Medbury
Metrics
H-Index
i10 Index
Citation Counts
18
26
998
atherosclerosis
monocyte
macrophage
wound healing
Rankings
Ranking Based On Selection: 51
Daniel Leonard Chan
Metrics
H-Index
i10 Index
Citation Counts
17
26
907
Gastrointestinal surgery
Hernia
Bariatric Surgery
Surgical Oncology
Rankings
Ranking Based On Selection: 52
Ellen Marks
Metrics
H-Index
i10 Index
Citation Counts
16
17
2,004
Colorectal cancer
colitis
inflammatory bowel disease
ILC
TRUC
Rankings
Ranking Based On Selection: 53
Ahmer Hameed
Metrics
H-Index
i10 Index
Citation Counts
15
19
846
Rankings
Ranking Based On Selection: 54
Tracy Fitzsimmons
Metrics
H-Index
i10 Index
Citation Counts
14
15
1,121
Colorectal cancer
total neoadjuvant therapy
bowel cancer
Rankings
Ranking Based On Selection: 55
Rebekah Jaung
Metrics
H-Index
i10 Index
Citation Counts
14
16
791
Surgery
Colorectal Disease
Diverticular Disease
Health Equity
Racism and Anti-racism in health
Rankings
Ranking Based On Selection: 56
Ned Abraham
Metrics
H-Index
i10 Index
Citation Counts
14
14
1,925
Rankings
Ranking Based On Selection: 57
Chandra Kirana
Metrics
H-Index
i10 Index
Citation Counts
11
12
711
Sjogren Syndrome
Lupus
autoimmune diseases
proteomic
biomarkers
Rankings
Ranking Based On Selection: 58
Kai M Brown
Metrics
H-Index
i10 Index
Citation Counts
10
10
707
surgery
cancer
hepatopancreaticobiliary surgery
colorectal liver metastases
Rankings
Ranking Based On Selection: 59
Omid Ahmadi
Metrics
H-Index
i10 Index
Citation Counts
9
9
359
Rankings
Ranking Based On Selection: 60
Toby Vinycomb
Metrics
H-Index
i10 Index
Citation Counts
9
7
862
Rankings
Ranking Based On Selection: 61
Danette Wright
Metrics
H-Index
i10 Index
Citation Counts
8
7
265
Colorectal Surgery
General Surgery
Abdominal Wall Reconstruction
Intestinal Failure
Rankings
Ranking Based On Selection: 62
Negin Sedaghat
Metrics
H-Index
i10 Index
Citation Counts
7
6
234
Rankings
Ranking Based On Selection: 63
Ying Yang Ting
Metrics
H-Index
i10 Index
Citation Counts
6
4
98
Rankings
Ranking Based On Selection: 64
Anil Gandhi
Metrics
H-Index
i10 Index
Citation Counts
5
4
410
Rankings
Ranking Based On Selection: 65
Christine S Lai
Metrics
H-Index
i10 Index
Citation Counts
5
2
105
Rankings
Ranking Based On Selection: 66
Christine Cuthbertson|Cris Cuthbertson, CM Cuthbertson
Metrics
H-Index
i10 Index
Citation Counts
5
5
820
Rankings
Ranking Based On Selection: 67
Andrew Chew
Metrics
H-Index
i10 Index
Citation Counts
5
5
232
Rankings
Ranking Based On Selection: 68
Phil Crowe
Metrics
H-Index
i10 Index
Citation Counts
4
4
425
Rankings
Ranking Based On Selection: 69
Rachna Ram
Metrics
H-Index
i10 Index
Citation Counts
4
4
129
Rankings
Ranking Based On Selection: 70
Nelson Granchi
Metrics
H-Index
i10 Index
Citation Counts
4
3
99
Rankings
Ranking Based On Selection: 71
Danny Deng
Metrics
H-Index
i10 Index
Citation Counts
3
3
196
Rankings
Ranking Based On Selection: 72
Madeleine Nina Jones
Metrics
H-Index
i10 Index
Citation Counts
3
2
73
Rankings
Ranking Based On Selection: 73
Connor James Greatbatch
Metrics
H-Index
i10 Index
Citation Counts
3
1
38
surgery
medical technology
artificial intelligence
Rankings
Ranking Based On Selection: 74
Rebecca Duncan
Metrics
H-Index
i10 Index
Citation Counts
3
0
26
LARC
top surgery
transgender
adolescents
contraception
Rankings
Ranking Based On Selection: 75
Ellie Treloar
Metrics
H-Index
i10 Index
Citation Counts
3
0
24
Rankings
Ranking Based On Selection: 76
Alyssa J Budin
Metrics
H-Index
i10 Index
Citation Counts
3
0
15
Bariatric Surgery
Patient-Reported Measures
Mental Health
Depression
Quality of Life
Rankings
Ranking Based On Selection: 77
Sally Griffin
Metrics
H-Index
i10 Index
Citation Counts
2
2
34
Rankings
Ranking Based On Selection: 78
Rupert Sherwood
Metrics
H-Index
i10 Index
Citation Counts
1
1
31