Our Mission

Our highly experienced team of doctors and practitioners provide patients with ongoing support when accessing medical cannabis. We are committed to delivering the best available treatments and plant-based medicines to help patients rebalance their endocannabinoid system (ECS) and achieve optimum health, naturally.

We strive to support and educate our patients and the wider community about the potential benefits, risks and side effects associated with medicinal cannabis as well as dosing, cost and other relevant information.

Our Team

George Moskos


Possessing over 14 years of experience in the personal care, health and wellness space, George is well known for creating the brands Kora Organics by Miranda Kerr and Luma Beauty. He has also worked closely with the founders of F45 Training, Life Space Probiotics, Harris Farm and has been a director of the Perry Cross Spinal Research Foundation for over 8 years, all of which has provided him with a strong understanding of the health and wellness sector.


Authorised Practitioner

A fellow of the Royal Australian College of General Practitioners (RACGP), Dr Yan Ren was born in China and completed her medical degree at the University of New South Wales (UNSW).

Aside from being a passionate advocate of medicinal cannabis, Dr Ren also specialises in women’s and sexual health, with a focus on treating hepatitis C and HIV.

James Stewart GP

Authorised Practitioner

Dr James Stewart is one of the Australia’s leading medicinal cannabis prescribers. Dr James always takes an holistic approach and individually tailors his treatments to each patient. He is a true believer in focusing on overall health and always promotes a healthy lifestyle as the key. Hydration, exercise and mindfulness are the forefront of his patient management.


Authorised Practitioner

Irina is a RACGP Fellow and founded MedClinic (lower North Shore) in 2014 and is privileged to serve its community. Irina enjoys all areas of general practice with particular interests in paediatrics, women’s health, specialising in pregnancy care and mental health. She holds a Diploma in Child Health, Certificate in Primary Care Skin Cancer Medicine, Occupational Medicine, Family planning and sexual health. She has a Certificate in Skin Cancer medicine and performs minor surgical procedures.


Authorised Practitioner

Vanessa is a qualified Nurse Practitioner and is highly experienced authorised to prescribe Medical Cannabis across numerous categories through the Therapeutic Goods Administration of Australia. She also spends time as a Mental Health Nurse and Endorsed Practitioner. With twelve years clinical and community outreach experience in Mental Health and Drug and Alcohol Dependence, Vanessa brings a unique skillset to Greencare Clinics.


Authorised Practitioner

Dr Cathleen Ventura has been working as a GP for over 10 years and is a Fellow of the Royal Australian College of General Practitioners. Cathleen has worked in regional New South Wales where she served her community and gained experience in most fields of general practice with particular interest in women’s and sexual health, chronic disease management and skin cancer medicine.

Chris Georges


Chris was one of the first pharmacists in Australia to dispense medicinal cannabis back in 2017, and since then has gained an excellent reputation for providing a high level of service to patients.

The team at Basgers Pharmacy have extensive knowledge about medicinal cannabis products and welcome the opportunity to share their knowledge with patients as well as other health care professionals.


Practice Manager

Kate has an extensive and impressive career in the cosmetics field. Kate has come across to Greencare from the position of General Manager of the successful LUMA BEAUTY product range, for the last 5 years. Kate brought together a team which helped create, brand and market LUMA BEAUTY. The process involved consumer research, product development, distribution, launch planning, marketing, and ongoing management of the business.