About us

Learn more about the team and our practice

Our Goals

Our goal is to improve your sense of wellbeing while respecting and preserving your unique attributes. Aesthetic (cosmetic) medicine, encompasses a wide range of procedures, which allows us to restore or reshape those features that make you feel less desirable, improving your appearance and restoring your self-esteem.

Our Clinics

GMC Cosmedical has been performing state-of-the-art cosmetic procedures for the past 30 years. Our clinics offer the most advanced technology and experience required to produce the most satisfying results. We have a wide range of cosmetic procedures available, including laser treatment for photo-rejuvenation, Laser facial skin toning and lightening for all skin types, radiofrequency treatments for face and body rejuvenation, laser tattoo removal, laser facial skin resurfacing, removal of capillaries and pigmentation,  wrinkle smoothing injections, wrinkle filling and skin treatment, cosmetic dermatology, skin cancer care, hair regrowth, removal of veins, permanent hair removal and much more. We have clinics in Randwick and Narellan for your convenience.

Clinic Image

Our Specialists

Photo of George M Calfas

Dr George M Calfas

MB.BS. , D.Phys.Med., D. Dermatology, FACCSM(Med), FCPCA

Dr George M Calfas is a highly qualified cosmetic and laser physician with more than thirty years’ experience in the field of cosmetic medicine in Australia. As the founder and principal of the landmark GMC Cosmedical Clinics at Randwick and Narellan, Dr Calfas continues to evolve and deliver a diverse range of surgical and non-surgical face, neck and body procedures.

He graduated with a Bachelor of Medicine and Surgery from the University of New South Wales and obtained postgraduate qualifications in Physical Medicine from the University of Sydney and a Diploma of Practical Dermatology from the University of Wales (UK).

Dr Calfas is a Senior Fellow and founding member of the Cosmetic Physician’s College of Australasia and the Australasian College of Cosmetic Surgery and Medicine for which he is a mentor within its Clinical Training Program and a recently elected member of its Medical Board. Through these roles, Dr Calfas is responsible for shaping the next generation of cosmetic physicians.

Dedicated to the refinement of cosmetic medicine Dr Calfas regularly attends international congresses to stay abreast of new technology and procedures. He is also a sought-after guest speaker and regularly conducts training workshops both nationally and internationally.

With his considerable expertise in cosmetic medicine, Dr Calfas is branching into the emerging medical and cosmetic field of regenerative medicine.

Dr Calfas is dedicated to furthering the field of cosmetic and regenerative medicine and is committed to delivering the highest quality outcomes to his patients.

Professional Associations
  • Senior Fellow Australasian College of Cosmetic Surgery and Medicine (ACCSM)
  • Senior Fellow Cosmetic Physician’s College of Australasia (CPCA)
  • Board Member of Australasian College of Cosmetic Surgery and Medicine (ACCSM)
  • Member of the American Academy of Aesthetic Medicine (AAAM)
  • Member of European College of Aesthetic Medicine and Surgery (ECAMS)
Photo of Madeline Calfas

Madeline Calfas

Madeline is Cosmetic and Laser specialist, an Integrative Medicine Practitioner, a highly experienced certified Aesthetic Nurse Practitioner and a fully qualified and Practising Naturopath and Nutritionist. With over 20 years of experience in her field, she is dedicated to furthering her knowledge and expertise in the field of Anti-ageing and Integrative Medicine. Madeline is also an Injector and Laser trainer to other Nurses and Doctors.

With Degrees and Advanced Diplomas in Nursing, Naturopathy, Nutrition and Herbal Medicine, Madeline is in a truly unique position to be able to understand how both Western and Complementary Medicines can be combined to offer her patients an Integrative approach, thereby achieving the highest quality outcomes for her patients. She is also a certified A5M practitioner with the Australasian Academy of Anti-Ageing Medicine, and a member of AIMA, the Australasian Integrative Medicine Association.

In 2016, Madeline was recognised by the International Nurses Association as a ‘Top Nurse’ in the Aesthetic Industry.

Madeline understands that being an Integrative Practitioner means understanding that the human body is more than just a collection of systems, symptoms and illnesses. It is about looking at the body as a whole and incorporating all the pieces of the puzzle to see the big picture. She believes that this is the future of Medicine, and is committed whole-heartedly to promoting this practice.

Professional Qualifications
  • BA Nursing UWS
  • BA Health Science (Naturopathy)
  • Adv.Dip. Western Herbal Medicine
  • Adv.Dip. Nutrition
  • Adv.Dip. Naturopathy
  • Australasian Certification in Anti-Ageing Medicine (ACCAM)
  • Injector Trainer for Galderma & Mondeal
  • Laser Trainer and Consultant for Sciton
  • Anti-ageing specialist
  • PRP specialist
  • Medically Assisted Weight Loss Specialist
  • Metabolic Balance Practitioner

Madeline is also a member of the following professional organisations whose aim is to provide support for peers and leaders in their respective fields, including the natural medicine, health practitioners and cosmetic medicine field.

  • Member ATMS (Australian Traditional-Medicine Society)
  • Member AHPRA (Australian Health Practitioner Regulation Agency)
  • Member A5N (Australasian Academy of Anti-Ageing Medicine)
  • Member INA (International Nurses Association)
  • Member AIMA (Australasian Integrative Medicine Association)
  • Member Nursing Council of New Zealand
  • Member NHPNZ (Natural Health Practitioners of New Zealand)
Photo of Maree Marks, surgical poditrist

Maree Marks

Consultant Podiatric Surgeon UK
MSc, BAppSc(Pod), Dip.HCM, Dip.Pod, MCPod, FCPodS, FAAPS

Maree is a Cosmetic and Laser Specialist and a Consultant (Podiatric) Foot and Ankle Surgeon. With over thirteen years of extensive training and work in the UK Maree Marks (Podiatric Surgeon) has returned to her first home at GMC. With a keen interest in the cosmetic surgery industry, she has combined her interest and skills in foot and ankle surgery with cosmetic surgery to provide skilled cosmetic services in addition to highly specialised reconstructive and corrective foot and ankle surgery.

Australian born Maree began her surgical career in 2003, moving to the United Kingdom to further her qualifications and training at Charing Cross Hospital London. In 2011 she attained her fellowship and became a Fellow of the College of Podiatric Surgeons UK and a Fellow of the Australian Association of Podiatric Surgeons.

Maree continued her surgical work while also lecturing and training surgical trainees in the UK, and achieved the status of Consultant Surgeon. Today, Maree is a university lecturer and continues to perform surgery from her private practice in Sydney. Meanwhile, Maree has maintained and updated her skills in the ever-changing cosmetic industry. She is highly skilled in cosmetic injectables and laser therapy, whilst also working closely with Dr George performing cosmetic procedures.

She attends conferences both here in Australia and internationally. She has a personal interest in the latest regenerative injection therapy and performs this with both ultrasound and x-ray guidance for cosmetic and therapeutic purposes. Regenerative medicine has proven to be effective in both the cosmetic and medical fields.


Disclaimer: Individual results may vary. Surgery and all health regulated services may carry some risks which you can discuss with our doctor.

Disclaimer: Individual results may vary. Surgery and all health regulated services may carry some risks which you can discuss with our doctor.
*Discounts only available on in-stock products.

Do you have a question?

If you're not sure what solution you'd like, you wish to talk about the best plan for your unique situation please contact us and we'll get back to you.

Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.