Dr Jonathan J Negus
Cambridge graduate with extensive experience in orthopaedic surgery, specializing in knee reconstruction and robotic arthroplasty. Dedicated to advancing patient care through innovative rehabilitation techniques and cutting-edge surgical technology.
Recognized internationally for research excellence with the Foundation for Surgery Scholarship from the Royal Australasian College of Surgeons. Currently serving as Clinical Senior Lecturer at both University of Sydney and Macquarie University while maintaining an active surgical practice.
Current Practice
Academic Qualifications
Specialized Fellowship Training
Senior Clinical Fellowship - Hip & Knee Surgery
Professor Fares Haddad
UCLH, Institute of Exercise, Health & Sport and Princess Grace Hospitals, London, UK (2016-2017)
International Travelling Fellowships
Recognition & Awards
Professional Affiliations
Teaching & Mentorship
Current Supervision
- PhD Supervisor - Macquarie University (2024-Present)
- MD Students Supervisor - Macquarie University (2024-Present)
- Masters of Orthopaedic Surgery - Teaching & Content Creation (2023)
- SLICE Student Supervisor (2023-2025)
- Allied Health Teaching - University of Sydney (2022-Present)
Recognition
- AOA 21 Invited Educator - Workshop Facilitator (2018)
- Newcastle University Accredited Teaching Award (2009)
- Regular Teaching: Medical Students, JMOs, Allied Health (2006-2015)
- Anatomy Demonstrating - Imperial College (2002)
Leadership & Community
- AOA Research Foundation Committee (2021-2024)
- Secretary AOA NSW Branch (2021-2024)
- Co-Founder Royal College of Surgeons Student Liaison Committee
- President & Founder Imperial College Surgical Society
- President Magdalene College Sporting Society
- Team Doctor - Gordon Rugby Club (2007-2010)
- NSW Triathlon Volunteer of the Year (2008-2009)
- Wooden Spoon Society Committee Member
Editorial Roles
Invited Peer Reviewer for International Journals
Research Contributions
Doctoral Thesis
The use of novel technology in the rehabilitation of patients after knee surgery
University of Sydney (2009-2014)
Selected Recent Publications
Machtier LA, Baker M, Twiggs JG, Miles BP, Negus JJ. An analysis of bilateral knee symmetry: Applications to revision total knee arthroplasty. The Knee. 2025 (in publication)
Xu J, Chang D, Chui J, Cao J, Negus J. The efficacy and cost-effectiveness of enoxaparin versus rivaroxaban in the prevention of venous thromboembolism following total hip or knee arthroplasty: A meta-analysis. J Orthop. 2022
Xu J, Twiggs J, Parker D, Negus J. The association between anxiety, depression and locus of control with patient outcomes following total knee arthroplasty. J Arthroplasty. 2020
Negus JJ, Gifford PB, Haddad FS. Single-stage revision arthroplasty for infection – An underutilized treatment strategy. J Arthroplasty 2017
Negus JJ, Cawthorne D, Chen JS, Scholes CJ, Parker DA, March LM. Patient outcomes using Wii-enhanced rehabilitation after total knee replacement – The TKR-POWER study. Contemporary Clinical Trials 2015
Book Chapter
'PCL, PLC and Multiligament injuries.' Joint preservation in the adult knee. Editors – E. Carlos Rodriguez-Merchan & Alexander Liddle. Springer. 2016
International Speaking
More About Dr. Jonathan Negus
Specialist Knee Surgeon, Fellowship-Trained Orthopaedic Surgeon in Sydney
Dr. Jonathan Negus is a fellowship-trained orthopaedic surgeon based in Sydney, with a subspecialty focus on knee surgery. He specialises in robotic-assisted total and partial knee replacements, as well as complex procedures for sports injuries and joint realignment.
Originally from London, Dr. Negus moved to Sydney in 2006 and completed his orthopaedic training locally. He now lives on the Lower North Shore with his wife and two sons, where he is committed to improving mobility and quality of life for his patients.
Dr. Negus combines advanced technologies — including Velys and MAKO robotic surgical systems and VALD measurement — with tailored rehabilitation plans to support faster, safer recoveries. His goal is to help patients return to the activities they love, with confidence and lasting results.
You can view Dr. Negus' professional profiles on:
- Healthshare
- Healthscope Specialist Directory
- Healthdirect Australia
- Ramsay Health
- Macquarie University Health
- Sydney University
Why Patients Choose Dr. Negus
- Subspecialty focus: 100% dedicated to knee conditions and surgery
- Advanced technology for arthritis surgery: Robotic assisted arthroplasty
- Management of sports-related knee injuries in recreational and professional athletes
- Experienced in revision surgery for complex or previously treated knee conditions
- Recognised research: Focused on post-operative outcomes and rehabilitation tech
- Accessible and local: Serving Sydney’s North Shore and Northern Beaches with continuity of care
Clinical Interests
- Robotic primary total knee replacement surgery
- Revision knee replacement surgery
- Minimally invasive arthroscopic surgery
- ACL reconstruction, meniscal repair, cartilage restoration
- Individualised rehabilitation planning using technology and data insights
Training & Subspecialty Fellowships
Dr. Negus holds degrees from:
His training is backed by internationally recognised fellowships and visitations with globally respected orthopaedic leaders:
- Prof. Fares Haddad – UCLH & Princess Grace Hospital, London – Hip & knee surgery
- Mr. Andy Williams – Fortius Clinic, London – Sports surgery for elite athletes
- Mr. Will Jackson – Nuffield Orthopaedic Centre, Oxford – Partial knee replacement
- Prof. Graichen – Lindenlohe, Germany – Brainlab navigated and robotic arthroplasty
- Prof. Ian McNamara – Norwich, UK – Patellofemoral knee surgery
- Mr. Thomas Quick – Stanmore, London – Peripheral nerve injury
- Dr. Jonathan Herald – Sydney – Sports and knee arthroplasty fellowship
While he originally trained in both hip and knee surgery, Dr. Negus now dedicates his practice exclusively to the knee, where he applies advanced techniques from his international experience.
Research & Academic Contributions
Dr. Negus has built a strong academic portfolio focused on optimising patient outcomes through technology, especially in post-operative rehabilitation.
His PhD explored the use of novel technology, including wearable sensors, to improve outcomes after knee replacement surgery — a field in which he is actively involved in research and innovation.
Key contributions include:
- Peer-reviewed publications in leading orthopaedic journals
- Book chapters on knee biomechanics and joint replacement
- Global conference presentations across Europe, the UK, and Australia
- Reviewer roles for several international medical journals
Recognitions & Awards:
- Foundation for Surgery Scholarship, Royal Australasian College of Surgeons (2010)
- Best Registrar Research, Australian Orthopaedic Association Registrars Association
Teaching & Mentorship
Dr. Negus is committed to medical education and is appointed as a Senior Clinical Lecturer at both:
- The University of Sydney
- Macquarie University
He supervises PhD and MD students, mentors junior doctors, and teaches allied health professionals, helping pass on his knowledge and enthusiasm for orthopaedics to the next generation.
More Than a Surgeon
When not operating or consulting, Dr Negus can be found:
- Cheering on his sons at their cricket & soccer matches
- Training for triathlons, sneaking in a round of golf, or
- Watching every race of his beloved McLaren F1 team
His favourites:
- Sport to watch: Formula 1 - McLaren
- Sport to play: Golf
- Food: New York cut steak from Richard’s Meats
- Drink: Barossa Shiraz (especially from Two Hands Winery)
- Holiday destination: Fiji
- Colour: Blue