Dr Malcolm Mackay
GP | Victoria

A member of the DFN Advisory Council, Malcolm is a General Practitioner with expertise in plant-based nutrition and lifestyle medicine for the prevention, treatment and reversal of chronic disease. Malcolm’s personal and professional interest in plant-based nutrition began in medical school 35 years ago. He is a Board Certified Lifestyle Medicine Physician and has a Graduate Diploma in Human Nutrition. Malcolm is a regular attendee of the International Plant-Based Nutrition Healthcare Conferences in the USA and has engaged with many of the leaders of this field.
Dr Mackay practises in Fitzroy, Melbourne and provides telehealth consultations to patients in other regions of Australia. Malcolm and his partner, Jenny, provide nutrition and lifestyle education through their nutrition website, Facebook page, one day seminars and 6-day immersion retreats in Victoria.

Nina Trinquet
APD | Victoria

Nina Trinquet is a member of the DFN Advisory Council, an Accredited Practising Dietitian (APD) and PhD candidate at Monash University, where she is researching the effects of dietary patterns, specifically dietary fibre, on endothelial function (an early indicator of cardiovascular disease).
Plant-based since 2017, Nina runs a private practice, Cor Dietitian, specialising in the prevention and treatment of chronic disease, particularly cardiovascular disease and type 2 diabetes. She also provides nutrition support within the youth justice system, aiming to improve health outcomes for young people in contact with the justice system.
Nina advocates for a whole food plant-based diet and has a strong interest in working towards a food system that is health-promoting, environmentally sustainable, and ethically responsible

Dr Sam Gartland
GP | New South Wales

Dr Sam Gartland is a highly qualified UK-trained GP, whose practice of medicine has been profoundly influenced by his own recovery from multiple sclerosis (MS). His area of interest is Lifestyle Medicine, an evidence-based approach for the prevention and reversal of chronic and lifestyle-related conditions. Dr Sam’s approach is to address the root cause and empower patients to be active partners in their own healthcare. He is a Member of the Royal College of Physicians (UK), Fellow of The Royal Australian College of General Practitioners and holds a Masters in Sports Medicine.

Dr Peter Johnston
APD | Victoria

Dr Peter Johnston is an Accredited Practising Dietitian with a Masters in Nutrition and Dietetics and a PhD in Human Genetics. Peter is also a fellow of the Australasian Society of Lifestyle Medicine and has completed health coaching training with WellStart Health. He has been exclusively plant-based since 1991 after learning of the health, environmental and ethical benefits. Peter runs a private practice: Perfect Human Food Consulting, offering individual consultations, public speaking, webinars, workplace health programs, and residential reboot programs. He has expertise in the prevention, treatment and reversal of chronic diseases through the use of whole food plant-based diets and the holistic approach of lifestyle medicine. He enjoys empowering people across all life stages to attain optimal health. Peter has enjoyed attending and speaking at numerous national and international conferences. He has a special interest in the links between food and environment and has also run university lectures in this area.