MBBS (Sydney) FRACS (Orth), FRCSEd (Orth), FA (Orth) A

After completing his medical degree from the University of Sydney Dr Marel did orthopaedic surgery specialist training in Sydney as well as in London and the USA, with fellowships in hip replacement and pelvic fracture surgery.


Dr Marel was a founding member of the Arthroplasty Society of Australia (hip and knee joint replacement surgeons) in 1993 and was president of the society from 1999 to 2001. He was an examiner for the Royal Australasian College of Surgery for its final orthopaedic qualification from 2004 to 2012 and was chairman of the National Joint Replacement Registry from 2011 to 2015. The world renowned Joint Replacement Registry, set up by the Australian Orthopaedic Association, keeps details and measures outcomes of all joint replacement procedures in Australia, giving information to surgeons patients hospitals and governments leading to a continual improvement in outcomes for patients.

Dr Marel has a particular interest in instability and dislocation of replaced hips and in the orientation of components in Total Hip Replacement surgery, presenting at the American Academy of Orthopaedic Surgeons in 1993 and 1994 and was one of the designers of the Optimized Orthopaedics analysis system which was developed by an Australian start-up company later bought by Corin. He was involved in the development of a US patent, granted in 2015 for "Computer-implemented method, a computing device and a computer readable storage medium for providing alignment information data for the alignment of an orthopaedic implant for a joint of a patient".

Dr Marel is involved in research and has numerous publications and is a frequently invited speaker at joint replacement meetings in Australia and internationally, including the American Association of Hip and Knee Surgeons in Dallas in 2016 and the Malaysian Orthopaedic Association Conference in 2014.

Dr Marel was a founding director of the Peninsula Orthopaedic Research Institute and helps train young orthopaedic surgeons through a fellowship in reconstructive surgery.

Dr Marel operates at North Shore Private Hospital in Sydney and Bathurst Private Hospital. He sees patients at Peninsula Orthopaedics Frenchs Forest and at Charles Sturt University in Bathurst.

Married with one adult son, Dr Marel is a competitive glider pilot who flies long distance cross country flights in the summer months.

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Hospital Appointments

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Prizes, Honours and Grants

Prizewinning Registrar's Paper, Australian Orthopædic Registrars' Association Annual Scientific Conference, Sydney 1986: Received Howmedica Travelling Fellowship 1987, entailing trip to attend 54th American Academy of Orthopædic Surgeons Meeting in San Francisco, January 1987 and visit to work with Dr. A.K. Hedley, Phoenix, February 1987.

Zimmer Overseas Travelling Fellowship, 1988.

Australian - American Orthopædic Society Travel Grant 1990: used to attend the American Academy of Orthopædic Surgeons, 57th Annual Meeting, New Orleans, February 1990 and visit to work with Dr. L.A. Whiteside, St. Louis, Drs. H.K. Dunn and K.Bertin, Salt Lake City and Dr. J. Matta, Los Angeles.

Prize for Best Poster Presentation (Zimmer Prize) at the Australian Orthopaedic Association Annual Scientific Meeting, Adelaide 1993

Winner of the ICJR Award for the best Pan Pacific Asia/Australia Research 2014, (with L Walter, M Solomon, J Pierrepont), ICJR (International Congress for Joint Reconstruction) Pan Pacific meeting in Hawaii 2014.

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Selected Publications

Variation in functional pelvic tilt in patients undergoing total hip arthroplasty
J Pierrepont, G Hawdon, BP Miles, PB O’ Connor, B, J Baré, LR Walter, E Marel, M Solomon, S McMahon, A Shimmin. (2017). Bone and Joint Journal 99-B(2):184-191, February 2017

Patient Specific Component Alignment in Total Hip Arthroplasty
James W Pierrepont, Catherine Z Stambouzou, Brad P Miles, Peter B O'Connor, Leonard Walter, Andrew Ellis, Rob Molnar, Jonathan Baré, Michael Solomon, Stephen McMahon, Andrew Shimmin, Li Q, Ed Marel. Reconstructive Review. 6. 10.15438/rr.6.4.148, January 2017

Distribution of Chromium and Cobalt Ions in Various Blood Fractions After Resurfacing Hip Arthroplasty
Leonard R. Walter, Ed Marel, Richard Harbury, Jenny Wearne, Journal of Arthroplasty, 23 (4) 171-177 September 2008

Peroneal Compartment Syndrome of Non-traumatic Origin
L. Andrew Ashton, PG Jarman and Ed Marel, Journal of Orthopaedic Surgery, 9 (2), pp67-69, December 2001.

Sequestered Collection in Association With Infected Arthroplasty
L. Emmett, G. Storey, E. Marel and H. Van Der Wall, Clinical Nuclear Medicine 25 (4), pp288-315, April 2000.

Templating In Total Hip Replacement
M.C.Atkinson, D.Parker, E.Marel, Journal of Bone and Joint Surgery, 77(B) Supp I, 61, 1995

Acetabular Cup Orientation In Total Hip Replacement: Xray Analysis
E. Marel, Journal of Bone and Joint Surgery, 76(B) Supp II & III, 114, 1994.

Analysis Of Acetabular Cup Orientation In Total Hip Replacement Xrays
Ed Marel, Orthopaedic Transactions Vol 18, 1008,1994 .

Pelvic And Acetabular Fractures In A Trauma Hospital
E. Marel, R. Middleton, M. de Roubaix, Journal of Bone and Joint Surgery, 74(B) Supp I, 46, 1992

Acetabular Cup Orientation In Total Hip Replacement Surgery
E. Marel, Journal of Bone and Joint Surgery, 74(B) Supp I, 36, 1992

Grip Strength Testing: A New Machine with New Applications
E.S.Marel, R.F.Wallace and J.M.Ellis, Journal of Bone and Joint Surgery, 70(B) 1, 166: January 1988.