Our Team

meet the ethos team

We want you to feel welcome whenever you walk in the door at ethos. So expect a warm smile, a friendly greeting and ongoing support.

At ethos, we genuinely care about our patients’ comfort and well-being, and we want you to have a great experience. All our orthodontists and support staff are passionate about the possibilities that good orthodontic treatment can create.

Our founding orthodontists, Marcus Tod and Kent Farmer, have more than 50 years experience between them, so as well as being technical experts, they know a thing or two about patient care.

Marcus and Kent make it a priority to create an enjoyable, dynamic environment for patients and staff alike. Of course, they take their work seriously, and hand-pick only the best orthodontists to work at ethos – and work on your smile!


our expert orthodontists

Dr Marcus Tod

Marcus is a self-confessed ‘dentistry nerd’. Ever since he had braces as a child growing up in Brisbane he has been fascinated by the ‘gadgetry’. He now channels this passion into seeing which new developments will work best for his patients. 

Learn more about Marcus

Dr Kent Farmer

Kent is passionate about orthodontics and the difference it can make in the lives of his patients. He works long hours caring for his patients but also somehow seems to find the energy for a full-on life outside work.

Learn more about Kent

Dr Shari Prove

Shari has been making ethos patients smile for over 14 years. She loves getting to know patients and their families during the treatment and seeing their delight when their new smile is revealed.

Learn more about Shari

Dr Steve Atkin

Steve joined ethos in 2002, having graduated as an orthodontist in 1996. His passion lies in helping patients with special needs, particularly those with cleft lip and palate problems. He participates in cleft palate clinics at the Royal Children’s Hospital and the Royal Brisbane & Women’s Hospital, and is a member of the Queensland Craniofacial Centre at the Mater Children’s Hospital.

Learn more about Steve

Dr Anna Chang

Anna was a Pharmacist before switching to dentistry. When she made the switch, she was searching for a career that would allow her to get to know patients better, and make a greater difference in their lives. She certainly found it.

Learn more about Anna

Dr Kate Barker

Kate joined the ethos team in 2010 bringing her special brand of quality orthodontic care to both adults and children. She loves getting to know her patients and is dedicated to creating the best possible smile for them.

Learn more about Kate

dr cath o'shea

Cath grew up in Brisbane having attended All Hallows’ School, she completed a Bachelor of Dental Science at UQ in 2001. Orthodontics appealed to Cath because it is an aspect of dentistry that can positively transform an individual at any age.

Learn more about Cath


treatment coordinators

Treatment coordinators are a vital part of the team at ethos, and will be available throughout the process to answer any questions you have. It’s also their job to discuss treatment options, explain treatment fees and answer any questions you may have.

Where specialist appointments are necessary, they will help schedule these, providing the necessary documentation and follow-up care.

Oral Health Therapists / Hygienists

Where would we be without our Oral Health Therapists? These highly valued team members provide high quality oral healthcare for all our patients, through examination, treatment and prevention.

They have a strong preventive focus, working tirelessly to promote positive attitudes to oral health for adults, teens and children alike.

Dental Assistants

Our dental assistants play a crucial role in maintaining a smooth running surgery, supporting our orthodontists in a wide variety of ways – from welcoming and preparing patients for treatment to sterilising equipment.

During a procedure, our assistants help throughout. Not only do they assist our orthodontists but will by your side every step of the way – offering friendly advice and support.


Exceptional care and personal attention begin the moment you arrive at ethos. Our receptionists pride themselves on patient care, offering a warm welcome and friendly smile.

Our receptionists will do everything they can to support you before, during and after your treatment. They’re also the perfect people to help with phone enquiries, correspondence and appointments.