About Macquarie Stem Cells

Dr. Ralph Bright


Dr Ralph Bright practices as a physician with significant interest in Biological Treatments and Anti-Ageing Medicine. He was the first doctor in Australia to perform this specific Biological Treatment in April 2009. Since then he has continued to refine the procedures and protocols yielding greater results for patients. He is a presenter of our treatment and technology all around the world. Not only does Dr. Bright perform these treatments, he is also the educator of other doctors about Liposuction procedures as well as Biological Therapies.

Dr. Bright is currently collaborating with other scientific and medical researchers through universities to progress this treatment further into Australian medicine.


Dr. Bright has a strong interest in research and a passionate belief in the industry. He has been invited to present his work at many conferences in Australia and around the world.

You can view the map as well as all of the conferences right here.


Dr. Ralph Bright received commendation by the NSW Parliament.

“In recognition of outstanding service as a GP, chair of the Liverpool division of General Practice.
Coordinating medical coverage for refugees during the Kosovar War and to Medical Science and Research, particularly in the field of regenerative stem cells”.
(The Honourable Marie Ficarra, 2013)


Dr. Bright is a member of the following organisations:

  • Consortiums (AACTC) writing the Code of Conduct for Cellular Therapy in Australia
  • International Federation for Adipose Therapeutics and Science (IFATS)
  • International Cellular Medicine Society (ICMS)
  • Member International Cellular Medicine Society
  • Member International Federation of Adipose Therapeutics and Science
  • Executive Member of the Australian Autologous Cell Therapy
  • Fellow of the Faculty of Medicine ACCS
  • Member Australasian College of Surgery



Read more about the regulations and code of conduct by clicking here.

Dr. Bright interview on Today Tonight news

Dr. Zhen Xu

Dr Xu aspires to be an accomplished and empathic doctor. His major goal is to make a difference in patients’ lives and to help them live happier.

He continuously strives to develop personally and professionally. Dr. Xu’s actions contribute to our team by supporting colleagues and ensuring his actions enhance the well being of our patients.  He understands that learning never ends and he is committed to continued education by reading widely and undergoing ongoing training/conferences.

Languages: English, Mandarin

Status: Specialist

Academic Education, Training & Qualifications

  • Bachelor of Science (UNSW)
  • Bachelor of Medicine (UNSW)
  • Bachelor of Surgery (UNSW)
  • FFMACCS (Fellow of faculty of Medicine of Australasian College of Cosmetic Surgery)\
  • Diploma of Lipoplasty (Australasian College of Cosmetic Surgery)
  • Passed Australasian College of Cosmetic Surgery Laser Accreditation
  • FRACGP (Fellow of Royal Australian College of General Practitioners)University of New South Wales
  • Australasian College of Cosmetic Surgery Trainer for Liposculpture
  • The Royal Australian College of General Practitioners examiner
  • Cosmetic and Hair Transplant Surgeon
  • Member International Society of Hair Restoration Surgery (ISHRS)
  • Member of Australia Medical Association
  • Certificate in Immediate Life Support (ALS1). Australian Resuscitation Council
  • Certificate in Skin Cancer Medicine (Australasian College of Skin Cancer Medicine)

Dr. Amita Limaye

PhD Biotechnology – National Centre for Cell Science
Master of Biochemistry
Bachelor of Chemistry

Dr. Limaye is our Cell Research Officer, she has a total of 18+ years experience in combined academic research and scientific training. Dr. Limaye is working in our practice to improve cellular protocols and set up clinical trials. Previously she has worked with many exciting new medical research fields such as;


  • Determining the mechanism of immunomodulatory peptide C1 driven T-cell remodeling at Westmead Hospital
  • RNA-directed Epigenetic remodeling in cancer at the Garvan Institute of Medical Research
  • Unravelling the role of Tbx20 at the Cardiac Research Institute
  • Worked in EpiGenie, looking at PubMed research articles relating to epigenetics. Conducted interviews with epigenetics researchers, and worked closely with the technology providers to stay on top of the most applicable work driving epigenetics-related research.

Dr. Limaye’s professional associations and affiliations

  • Australian Epigenetic alliance
  • Australian Association of Clinical Biochemists
  • Post Doctoral Fellow University of Sydney School of Medicine Westmead Clinical School
  • Post Doctoral Fellow Garvan Institute of Medical Research


Health Partners

Aside from the Macquarie Stem Cells Treatment, there is an additional component of treating osteoarthritis. That is Physiotherapy & Exercise

The best approach to treating osteoarthritis is to involve multiple professionals. Therefore, we are affiliated and working closely with Flex Allied Health.

Abanoub Daoud


Master of Physiotherapy
B. Health Science & M. Physio

We can assure best of care and follow up will be provided. Our affiliated professionals will be able to design a program that will suit every individual.


Dr. Alirezza Fallahi
(Surgical Assisting Doctor)

Dr Alireza Fallahi graduated his Medical Doctorate with First Class Honours. Following his passion for Aesthetic Medicine and surgery .He has been working alongside world-renowned industry leaders for over 10 years and has trained in a variety of medical and surgical fields. His passion for enhancing each patient’s anatomy means that every treatment is individualised to provide the best possible tailored results.



Professional associations and affiliations

  • Member of ACCS
  • Member of AAAM
  • Member of RACGP
  • IBC Hair transplant certificate
  • Liposuction training of ACCS
  • ALS certificate

Speak with one of our consultants today