About Me
Dr A.E. Ricardo Hamilton: Colorectal, General & Trauma Surgeon

Committed To Providing The Best Care Available
Colorectal Surgery, General Surgery, Upper Gastrointestinal Surgery
Dr A.E. Ricardo Hamilton is an accomplished Colorectal, Trauma & General Surgeon who has been providing surgical services in the Southwest Sydney Region since 2010.
Renowned for his excellence in surgical care, Dr Hamilton delivers cutting-edge, personalised treatment to his patients. His dedication to his profession and his genuine concern for patient well-being makes him a trusted professional in the field.
Dr Hamilton provides surgical consulting from south west sydney and operates a private practice in Campbelltown NSW.
Biography
With a diverse training background that includes Jamaica, The Bahamas, and South Africa, Dr Hamilton made Australia his home in 2010. Since then, he has pursued further specialisation, honing his expertise at prestigious institutions such as Liverpool Hospital, Campbelltown Hospital, Mater Brisbane Hospital, Brisbane Metro-North Colorectal Group at RBWH, and the Royal Prince Alfred Hospital in Sydney.
Dr Hamilton earned his MBBS from the University of the West Indies in 2000, followed by extensive postgraduate training in South Africa, where he completed his FCS(SA) through the Colleges of Medicine of South Africa. He later attained his FRACS through the Royal Australasian College of Surgeons in 2015 and is also a Fellow of the American College of Surgeons (FACS). His training includes trauma and acute care fellowships, minimally invasive and robotic surgery workshops, and advanced colorectal fellowships across leading Australian hospitals.
He completed multiple colorectal surgery fellowships at institutions such as the Royal Prince Alfred Hospital (NSW), Mater Brisbane Hospital, and the Brisbane Colorectal Group. His surgical leadership roles have included Director of Surgical Training and Clinical Superintendent at Campbelltown Hospital. He is also a Senior Lecturer at Western Sydney University and an instructor in trauma surgery across Australasia and internationally.
Dr Hamilton is widely published in peer-reviewed journals with a focus on colorectal surgery, trauma, robotic techniques, and surgical innovation. Notable contributions include research on pelvic exenteration, robotic colorectal techniques, and case reports on rare surgical pathologies. He has presented at international conferences and received several teaching awards, including the Inaugural Denise Lonergan Teaching Prize and the Clinical Associate Dean’s Teaching Award from UNSW. His teaching roles span several universities including the University of Queensland and University of New South Wales.
Dr Hamilton’s clinical and academic interests include colorectal surgery, trauma and acute care surgery, military medicine, and surgical education. He is actively engaged in research, including studies on robotic surgery outcomes and colorectal cancer in pregnancy. His passion for surgical training is matched by a commitment to service, both in the operating theatre and in community outreach.
Qualifications
Surgical Registation | Australia |
Surgical Registation | South Africa |
Surgical Registation | The Bahamas |
Surgical Registation | The United Kingdom |
Fellow of the Royal Australasian College of Surgeons | (FRACS) |
Fellow of the American College of Surgeons | (FACS) |
Fellow of the South African College of Surgeons | FCS(SA) |
Bachelor of Medicine & Bachelor of Surgery | (MBBS) |
Bachelor of Science (Honours) | (BSc) |
Teaching, Presentations & Publications
Trauma Workshop / Colombo, Sri Lanka / Dec 2016
Hunter Surgical Society, Acute Care Surgery Conference / Newcastle, Australia / Nov 2013
Developing Emergency Medicine conference / Havana, Cuba / Sep 2013
SWAN Trauma conference / Sydney, Australia / Jul 2012
Developing Emergency Medicine conference / Pyrmont, Sydney, Australia / May 2012
Royal Australasian College of Pathologist / Darling Harbour, Sydney, Australia / Mar 2012
SWAN Trauma conference / Sydney, Australia / Jul 2011
SWAN Trauma conference / Sydney, Australia / Jul 2010
Surgical Registrars Symposium / Johannesburg, South Africa / Jun 2009
Interest:
Enlisted Officer (Major) / Royal Australian Army (Medical Corp) / Nov 2017
Project Leader, volunteer worker and C.E.O. / HOPE worldwide Bahamas, Ltd / Sep 1998 – Dec 2002
Member & Board of Trustees / HOPE worldwide Bahamas / Jan – Jul 2003
Volunteer worker / HOPE worldwide Jamaica / 1995 – 1998
Volunteer worker / HOPE worldwide South Africa / 2004 – 2009
Volunteer worker / HOPE worldwide Australia / 2010 – 2012
Volunteer worker / HOPE worldwide Papua New Guinea / 2011 – 2013
Developing Emergency Medicine conference / Colombo, Sri Lanka / Director and lecturer / Dec 2016
Hunter Surgical Society, Acute Care Surgery Conference / Newcastle, Australia / Nov 2013
Developing Emergency Medicine conference / Havana, Cuba / Sep 2013
SWAN Trauma Conference / Liverpool Hospital; Sydney, Australia / Jul 2012
Developing Emergency Medicine conference 2012 / Sydney, Australia / May 2012
Royal Australasian College of Pathologist – Update 2012 / Sydney, Australia / Mar 2012
SWAN Trauma conference / Liverpool Hospital; Sydney, Australia / Jul 2011
SWAN Trauma conference / Liverpool Hospital; Sydney, Australia / Jul 2010
Surgical Registrars Symposium / University of the Witwatersrand; Johannesburg, South Africa / Jun 2009
Medical Association of the Bahamas Annual Conference / Princess Margaret Hospital; Nassau, The Bahamas / Dr Hamilton & Dr Cargill / Feb 2003
Medical Association of the Bahamas Annual Conference / Princess Margaret Hospital; Nassau, The Bahamas / Dr Hamilton, Dr Farley & Dr Balfour / Feb 2001
COLORECTAL PUBLICATIONS
“Pelvic Exenteration combined with Cytoreductive Surgery and Hyperthermic Intraperitoneal Chemotherapy for Advanced Primary or Recurrent Colorectal Cancer with Peritoneal Metastases.” / Brown KM, Ansari N, Solomon MJ, Austin KKS, Hamilton AER, Young CJ / Colorectal Dis. 2020 Sep 25. doi: 10.1111/codi.15378. PMID: 32978813
“The Benefits of Colorectal Surgery Surveys in Australia & New Zealand.” / Hamilton AER, Lin AA and Young CJ / Annals of Coloproct, April 2020. 36(2):102-111. doi: 10.3393/ac.2019.09.17 PMID: 32429010
“Totally Robotic Right-Hemicolectomy: A Multicentre Case-Matched Technical and Perioperative Comparison of Port Placements and DaVinci Models.” / Hamilton AER, Chatfield MD, Johnson CS, Stevenson ARL / J Robot Surg. 2019 Aug 29. doi: 10.1007/s11701-019- 01014-0. PMID: 31468314
“Could it be an anastomotic leak? A pelvic abscess of unknown aetiology.” / Agostinho NPS, Hamilton AER and Young CJ / ANZ J Surg. 2019 Oct 2. doi: 10.1111/ans.15443. PMID: 31578785
“A Rare Pathological Couplet of Colocolic Intussusception and Caecal Bascule in A Young Adult: a Case Report.” / Hamilton AER, Singh A, Austin KK, JS Shin, JS Hong / Cureus. 2018 Oct 10(10): e3430. doi:10.7759/cureus.3430. PMID: 30546977
“Transanal total mesorectal excision for rectal cancer: state of the art.” / Westwood DA, Cuda TJ, Hamilton AER, Clark D, Stevenson ARL / Tech Coloproctol. 2018 Sep 25. doi: 10.1007/s10151-018-1844-8. PMID: 30255213
“Tips and Tricks for Rectal Dissection during Laparoscopic Ultra-Low Anterior Resection.”/ Warren C, Hamilton AER, Taylor DG, Stevenson ARL / Tech Coloproctol. 2018 Aug 17. doi: 10.1007/s10151-018-1836-8. PMID: 30120631
“Neurovascular Sparing Robotic High Anterior Resection-Technical Note and Video Vignette.” / Warren CD, Hamilton AER and Stevenson ARL / Tech Coloproctol. 2018 Jul 31. doi: 10.1007/ s10151-018-1828-8. PMID: 30066037
“Neurovascular-Sparing during Anterior Resections for Diverticular Disease: The Century- long Debate.” / Hamilton AER, Warren CD, and Stevenson ARL / Colorectal Dis. 2018 Aug 9. doi: 10.1111/codi.14368. PMID: 30091821
“Robotic Transanal Minimally Invasive Surgery (TAMIS) for local excision of rectal lesions with the daVinci Xi (dVXi) – Technical considerations and video vignette.” / Warren CD, Hamilton AER and Stevenson ARL / Tech Coloproctol. 2018Jul10. doi:10.1007/s10151-018-1816-z. PMID: 29987695
“Colorectal surgeons should be open to modern surgical technologies for challenging cases.” / Hamilton AER, Stevenson ARL, Warren CD, Westwood DA / ANZ J Surg. 2018Aug02. doi: 10.1111/ans.14741. PMID:30069998
“Indocyanine green fluorescence angiography (ICGFA) during laparoscopic and robotic colorectal surgery- a video vignette.” / Hamilton AER, Cuda TJ, Westwood DA, Stevenson ARL / Colorectal Dis. 2017 Dec 11. PMID: 29227015
“Identification of the ureter during robotic colorectal surgery using lighted stents – a video vignette.” / Hamilton AER, Westwood DA, Cuda TJ, Stevenson ARL / Colorectal Dis. 2017 Nov 4. PMID: 29105253
“Methylene blue assisted submucosal dissection in trans-anal surgery – video vignette.” / Cuda TJ, Westwood DA, Hamilton AER, Stevenson ARL / Colorectal Dis. 2017 Sep 16. PMID: 28921871
“Methylene blue submucosal infiltration may facilitate trans-anal submucosal dissection.” / Cuda TJ, Riddell AD, Westwood DA, Hamilton AER, Stevenson ARL / Colorectal Dis. 2017 Nov;19(11):1032-1033. doi: 10.1111/codi.13872. PMID: 28865161
GENERAL & TRAUMA PUBLICATIONS
Trauma and Transfusion Time for a change (conference paper) / Tran, T., Ton, T., and Hickey, J., Hamilton, A. and Graves, M / ATMA 2024, Brisbane, Queensland, Australia (2024, September 17-20)
“A Case of Cutaneous Botryomycosis of the Lower Leg in a Young Adult Male.” / Aziz F, Ong F, Parikh R N, Hamilton AE / (July 20, 2021). Cureus 13(7): e16502. doi:10.7759/cureus.16502. PMID: 34466304
“Tiny but Mighty: Collision Tumor of a Superficial Adenocarcinoma Arising from a Tubulovillous Adenoma with Associated Low-Grade Follicular Lymphoma.” / Lin YS, Hamilton AER, Henderson C, and Farzin M / Int J Surg Pathol. 2021 Feb 23:1066896921995942. doi: 10.1177/1066896921995942. Epub ahead of print. PMID: 33619998
“Large Intermuscular Lipoma Presenting as a Groin Hernia.” / Parikh R N, Aziz F, Rutagengwa D, and Hamilton, AE / Cureus 12(11): e11584. 20 November, 2020. doi:10.7759/cureus.11584. PMID: 33364108
“The Challenges of Managing Appendicitis in an Austere Environment.” / Brenda Ng, Ricardo Hamilton, Jim Iliopoulos, Michael Talbot and Daniel Chan / ANZ J. Surg. (Abstract Journal Military Surgery) 2020; 90 (S1). MS261P, 125–126.
“What’s in the sac? Littre hernia.” / Bains HS, Agostinho NPS, Hamilton AER and Byrne CM / ANZ J Surg. 2019 Jul 31. doi: 10.1111/ans.15353. PMID: 31368169
“Surveys Still Teach Vital Non-Technical Lessons in General Surgery.” / Hamilton AER & Young CJ / ANZ J Surg. 2018 Nov 28. doi: 10.1111/ans.14932. PMID: 30485674
“Quick eating caused plastic bread bag clip ingestion and severe gastrointestinal bleed in young adult: a case report.” / Hamilton AER, Sebastian AA, Harris CA / ANZ J Surg. 2017 Dec PMID: 29266620
“End-tidal capnography tracing persists in fresh-frozen cadavers.” / I Ferguson, C Reid, B Burns, K Habig, R Hamilton and M Shareef / Am J Emerg Med. 2017 Jul;35(7):1022-1023. PMID: 28202299
“Soft tissue neck injuries.” / Hamilton, Ricardo / Pathology. 2012, Volume 44, Supplement 1, S23 – S24.
“Closure of the open abdomen.” / M Björck, SK D’Amours and AER Hamilton / The Am Surg, July 2011.77 (Suppl), 7: 558-61. PMID: 21944454
Memberships
Royal Australasian College of Surgeons gastroenterology society of australia (GESA) |
American College of Surgeons |
Australia & N.Z. Association for Surgery of Trauma (ANZAST) |
International Association of Trauma Surgery & Intensive Care |
International Society of Surgeons |
Australasian Trauma Society |
Fellow of the Royal Australasian College of Surgeons (FRACS) |
Member RACS Academy of Surgical Educators |
South African College of Surgeons |
Colorectal Surgical Society of Australia & New Zealand (CSSANZ) |




