When it comes to experience, clinical knowledge, and a long standing commitment to patient care, Dr George M Calfas has been a trusted name in cosmetic medicine in Australia for more than 30 years.

As the founder of GMC Cosmedical Clinics in Randwick and Narellan, Dr Calfas has built a medically led practice focused on considered, personalised care. His approach is grounded in thorough consultation, careful assessment, and guiding each patient through their options so they can make informed decisions with confidence.

Dr Calfas holds a Bachelor of Medicine and Surgery from the University of New South Wales, with further postgraduate qualifications in Physical Medicine from the University of Sydney and a Diploma of Practical Dermatology from the University of Wales in the UK. His extensive training is complemented by decades of hands on clinical experience across a wide range of procedures involving the face, neck and body.

Beyond his work in clinic, Dr Calfas plays an active role in shaping the future of cosmetic medicine. He is a Senior Fellow and founding member of both the Cosmetic Physician’s College of Australasia and the Australasian College of Cosmetic Surgery and Medicine, where he contributes as a mentor within the Clinical Training Program and serves on the Medical Board.

He continues to regularly attend international conferences and educational forums, ensuring he remains up to date with evolving techniques, technologies, and emerging areas such as regenerative medicine.

At GMC Cosmedical, Dr Calfas leads a team of experienced medical professionals, including Nurse Madeline Calfas and Podiatric Surgeon Dr Maree Marks, who share a focus on patient safety, education, and personalised care.

Whether you are exploring treatment options for the first time or seeking a considered medical opinion, a consultation at GMC Cosmedical is the first step in understanding what may be suitable for you.

General Registration: MED0000942626

When it comes to skin health and personalised care, Nurse Madeline Calfas offers a depth of experience and a considered, holistic approach that patients value and return to.

Madeline is a Registered Nurse and highly experienced cosmetic and laser practitioner, with over 20 years of experience in aesthetic medicine, skin treatments, and integrative care. She is also a qualified Naturopath and Nutritionist, holding a Bachelor of Health Science (Naturopathy) and Advanced Diplomas in Naturopathy, Nutrition, and Herbal Medicine, along with A5M certification.

Her approach focuses on understanding each patient as a whole, taking into account not only the skin, but also the internal and lifestyle factors that may influence skin health and overall wellbeing.

Madeline is experienced in a wide range of treatments, including cosmetic procedures, laser treatments such as Fotona 4D, platelet rich plasma (PRP), collagen stimulating injectable treatments, and advanced skin therapies. She also has a strong focus on personalised skincare, guiding patients through customised skincare programs designed to support individual skin needs.

In addition to her clinical work, Madeline is an injector and laser trainer to other nurses and doctors and contributes to health, cosmetic, and nutrition publications. She is also the founder of The Wellness Group, supporting patients through a holistic approach to appearance and wellbeing.

At GMC Cosmedical, Madeline is known for her refined, patient centred approach, with many patients returning for her guidance, continuity of care, and focus on long term skin health.

Nurse Registration: NMW001350182

With a unique combination of surgical expertise and aesthetic care, Dr Maree Marks offers a considered and highly skilled approach to patient treatment.

Dr Maree Marks is a Podiatric Foot and Ankle Surgeon and experienced cosmetic and laser practitioner. She began her surgical career in 2003 before undertaking more than 13 years of advanced training and clinical work in the United Kingdom, including at Charing Cross Hospital in London. During this time, she achieved Fellowship of the College of Podiatric Surgeons UK and Fellowship of the Australian College of Podiatric Surgeons.

Maree went on to practise as a Consultant Surgeon in the UK, where she also lectured and trained surgical registrars. She has since returned to Australia and continues to practise privately in Sydney, while remaining involved in education as a university lecturer.

Alongside her surgical work, Maree is experienced in cosmetic injectables, laser therapies, and regenerative injection techniques, with a focus on both cosmetic and therapeutic applications. Her approach is grounded in precision, clinical experience, and a detailed understanding of anatomy.

Maree regularly attends national and international conferences to stay up to date with developments in both surgical and cosmetic fields.

At GMC Cosmedical, Maree is known for her considered, patient centred approach, combining surgical expertise with aesthetic care to support each patient’s individual needs.