About Us

Dr Anastasia Braun is an Australian trained Psychiatrist and undertook post-fellowship training in Consultation Liaison Psychiatry, qualifying her to manage patients with co-morbid medical, surgical, peri-natal, old age and weight management problems.

Her special interests are in consultation liaison psychiatry with a wide variety of neuropsychiatric and psychosomatic problems including:

• Weight management assessment and support for Bariatric patients
• Peri-natal psychiatry
• General Adult Psychiatry
• Anxiety/agitation in the medically ill
• Helping to support the treatment team's role about the suggested clinical interventions
• Post Traumatic Stress Disorders (PTSD)
• Old Age psychiatry
• Somatoform disorders
• Participating in evaluation and management of altered mental status
• Evaluation of cognitive impairment associated with dementia
• Capacity to make informed decisions or to delegate those powers
• Depression in the elderly or medically ill; as well as working with medical patients with serious chronic illnesses.

• CV: LinkedIn
• Email: reception@healthvolition.com.au

Among the distinguished professionals comprising in the Health Volition team is Dr. Braun, a General Surgeon specialising in Advanced Laparoscopic Upper Gastrointestinal, Bariatric, and Hernia surgery. Dr. Braun is also proficient as an upper and lower gastrointestinal endoscopist, with expertise in gastroscopy and colonoscopy procedures.

With a career spanning over 15 years, Dr. Braun has established himself as a highly regarded Australian-trained surgeon, celebrated for his surgical precision, meticulous attention to detail, and rigorous post-operative care. His unwavering dedication to delivering exceptional surgical outcomes is matched by his commitment to providing reliable weight loss services. To date, Dr. Braun has successfully performed 10,000 general surgery operations and 3,000 weight-loss surgeries, earning him widespread acclaim and patient trust.

More recently, Dr. Braun has shifted his focus towards non-surgical solutions such as the Allurion Balloon. He is the first in Queensland to implement the World’s only gastric swallowable balloon – the only gastric balloon without the need for endoscopy, anaesthesia, or surgery. Dr Braun is also leading the metabolic program for patients who choose not to have bariatric surgery or a non-surgical procedure.

As we pursue our objectives, our dedicated team collaborates tirelessly to provide unparalleled weight loss services, encompassing both surgical and non-surgical approaches.

Our enduring commitment to offering trustworthy and effective weight loss solutions is evident in our meticulous selection of highly trained and knowledgeable bariatric weight loss surgeons across Australia. These professionals are driven by a passion for their work and recognise the unique needs of each patient in achieving their desired outcomes.

Dr. Braun’s extensive experience and expertise contribute significantly to our mission of delivering exceptional patient care. His proficiency in various surgical techniques, coupled with his innovative approach to non-surgical weight loss solutions, allows us to offer a comprehensive range of options tailored to individual patient needs.

Credentials, Memberships, and Affiliations:

– Fellow of Royal Australian College of Surgeons (RACS)
– Gastroenterological Society of Australia (GESA)
– Obesity Surgical Society of Australia and New Zealand (OSSANZ)
– International Federation for Obesity Surgery (IFSO)
– Australian and New Zealand Gastric and Oesophageal Surgeons Association (ANZGOSA)
– Society for Surgery of the Alimentary Tract (SSAT)
– Society of American Gastrointestinal and Endoscopic Surgeons (SAGES)
– General Surgeons Australia (GSA)
– Alumnus of Harvard Medical School
– Harvard Club New York (HCNY)
– University of Queensland (UQ)
– Medico-Legal Society of QLD
– Bond University
– Queensland Law Society (QLS)
– Australian Health Practitioner Regulation Agency (AHPRA)

Other than our clinic at Everton Park, Dr Braun is also in the surgical team at The Prince Charles Hospital in Brisbane.

• CV: LinkedIn
• Email: surgeon@healthvolition.com.au

Claire is a registered psychologist at Health Volition, bringing a strong background in therapy and intervention-focused care. Prior to joining Health Volition, Claire worked in private practice, supporting patients across various referral pathways, including Private Psychology appointments, NDIS, EAP, and the Primary Health Network’s Brisbane MINDS program. She has a trauma-informed approach and values working with individuals to identify what meaningful change in their lives looks like for them and empowering them to bring about that change. Claire works from a person-centred and judgement-free approach comprising collaboration, empowerment, respect, and valuing each person’s unique experiences.

Before becoming a psychologist, Claire spent 25 years in the Australian mining sector as a geologist. Her perspectives stem from a broad range of work and life experiences prior to qualifying as a psychologist.

A key area of interest for Claire is bariatric psychology and weight management. With lived experience, she offers a unique perspective in supporting individuals on their weight loss journey. Claire understands that surgical intervention is just one tool, and long-term success requires a positive mindset, balanced nutrition, and persistence. Her personal insight, combined with professional expertise, allows her to provide empathetic, evidence-based psychological support for those navigating weight loss and lifestyle changes.

At Health Volition, Claire is dedicated to helping patients achieve sustainable improvements in their mental and physical well-being while working within a compassionate, multidisciplinary team.

Claire provide treatment in the following key areas:
-ADHD
-Adjustment Issues
-Anger/Aggresion
-Depression
-Anxiety
-Life Stage Transitions
-Self Esteem & Confidence, Self Development
-Stress
-Conflict Resolution
-Domestic Violence
-Legal
-Work Stress
-Workplace Bullying

• Email: psychology@healthvolition.com.au

With 25 years of experience in the health industry, Kathy has garnered extensive administrative knowledge, having worked in roles such as reception, executive assistant, and medical records at Ramsay Health.

Joining our team in 2018 as the Front of House Receptionist, Kathy's role include providing incoming patients with information about our procedures and services that are available. She coordinates procedure bookings, whether for surgical or non-surgical, offering vital support in on-boarding new patients on their weight loss journey and beyond. A cornerstone of the clinic, Kathy brings a wealth of information and support to our team.

Outside of work, she enjoys an active lifestyle, engaging in activities like running and playing netball, all while balancing a family life with two girls and a fur baby.

• Email: welcome@healthvolition.com.au

Elle's journey with Health Volition began in 2013 as a Business Development Manager, where she demonstrated her strategic vision and leadership. Elle brought new perspectives and a personal connection to the clinic's mission.

Elle's leadership is grounded in the traditional core values of Health Volition, ensuring the preservation of its legacy within the organisation. Her passion for the field is deeply personal, stemming from her own experience with weight loss surgery in 2014. She views Health Volition as more than just a clinical support provider—it’s a holistic community dedicated to helping individuals achieve their health goals.

Known for her approachable and caring nature, Elle is deeply engaged with patients, prioritising a personalised and empathetic approach. With her extensive experience and strong leadership, Elle is committed to guiding Health Volition to new heights, building on past successes, and positively impacting more lives.

• CV: LinkedIn
• Email: elle@healthvolition.com.au

Fern Warren, a Qualified Clinical Hypnotherapist, demonstrates remarkable effectiveness in addressing a wide range of issues. These include smoking cessation, weight management, habit formation, chronic pain, grief, anxiety, depression, trauma, social anxiety, phobias, confidence building, immune support, addiction, and various other areas. Her sessions provide a confidential, supportive, and gentle space for therapy, aiming to deliver profound and life-changing results.

Employing a safe and gentle approach, Fern utilises the brain's neuroplasticity to strengthen positive neural pathways in the subconscious mind. The process involves "Synaptic Pruning" to eliminate unwanted neural pathways, allowing for the rewiring of new, healthy thought patterns that align with desired goals.

Fern tailors each session to uncover individual needs and preferences, guiding clients through a relaxing and empowering therapeutic process. The objective is to create and reinforce new neural pathways in alignment with the client's goals, establishing automatic positive emotions, thoughts, and behaviours.

Clinical Hypnotherapy with Fern proves effective for various issues, including lifestyle habits, weight management, smoking cessation, chronic pain, fears, phobias, grief, anxiety, depression, and relaxation. It can even assist in alleviating symptoms of medical conditions such as Irritable Bowel Syndrome and Fibromyalgia.

Fern's warm and client-centred therapy sessions seamlessly blend heart-based and science-based approaches. Each session is meticulously designed to help clients achieve optimal results, promoting a calm, balanced, and connected life. Fern guides clients towards self-awareness, self-compassion, self-love, self-healing, and self-connectedness, facilitating closure and peace with unresolved issues.

To prioritise your health and well-being, reach out to book an appointment with Fern. Committed to reminding you of your deserving nature, she provides unwavering support to help you achieve the results you seek. No matter what has transpired in your story so far, it's the upcoming pages that hold significance. Discover the sunshine in your soul and schedule your appointment with Fern today.

About Fern, Qualified Clinical Hypnotherapist:

- Holds a Diploma in Clinical Hypnotherapy.
- Trained in DeTrauma Technique (DTT)™.
- Certified Life Coach and Business Coach.
- Recognized by Hypnotherapy Training Australia.
- Executive Member of IICT (International Institute for Complementary Therapists).
- Practitioner Member of CTAA (Complementary Therapists Accredited Association).
- Holds a Blue Card for working with children.
- Additional certifications in Psychotherapy, Neuro Linguistic Programming, Professional Counselling, Cognitive Behaviour Therapy, Modern Applied Psychology, Acceptance and Commitment Therapy, Neuroplasticity, Early Childhood Education, Workplace Trainer and Assessor, Business Coaching, Financial Services, and Psychosensory Techniques (Emotional Freedom Technique, Thought Field Therapy, and EMDR).

• Email: hypnotherapy@healthvolition.com.au

Jacqueline, an Accredited Practicing Dietitian (APD) is here to help you achieve your health goals based on a strong foundation in nutrition science and a compassionate approach. Jacqueline is enthusiastic about helping others navigate their nutritional challenges and improving each patient’s relationship with food. Jacqueline’s personal experiences with dietary restrictions, fuel her commitment to providing friendly evidence-based, practical, and supportive care.

Jacqueline understands that navigating the complexities of modern diets can be challenging. That’s why she takes a non-judgemental personalised approach, tailoring nutrition plans to your unique needs, preferences and lifestyle. Whether you are managing a chronic condition, optimising athletic performance, or simply striving for a healthier lifestyle, Jacqueline is here to guide you every step of the way.

Beyond Jacqueline’s professional life, she finds balance and inspiration in the great outdoors. Nature’s beauty and the company of family and loyal canine companions recharges her spirit and fuels her passion for helping others. Jacqueline enjoys working with individuals to create personalise nutrition plan that fits your lifestyle and supports your goals. Book a consultation today to start your journey towards a healthier, happier you.

Qualifications
Bachelor Health Science, Nutrition and Dietetics (hons)
Accredited Practising Dietitian (APD)

Special Interests
· Chronic Disease Management – helping patients navigate conditions like diabetes, heart disease, hypercholesteremia, and kidney disease though tailored nutrition plans.
· Women’s Health – Supporting women through various life stages, including menopause, as well as the challenges of endometriosis and PCOS.
· Gut Health –Addressing digestive issues such as IBS, IBD, Coeliac Disease with a focus on dietary interventions.
· Weight Management – providing sustainable weight management strategies that promote long-term health and well-being.
· Fussy/disordered eating – Offering compassionate support and evidence-based strategies to individuals struggle with disordered eating patterns, including those with neurodivergent conditions.
· Sport performance – Optimising diet to enhance athletic performance, and recovery.

• Email: reception@healthvolition.com.au

Introducing Jodie, a seasoned professional with a diverse and accomplished career that reflects her dedication and versatility. Jodie's journey began as an office junior for a Family Law Specialist, where her exceptional skills and work ethic propelled her to a senior position as a PA/paralegal within a short span of time. For an impressive 15 years, she navigated the intricacies of family law, demonstrating her commitment and proficiency in this specialised field.

After a brief hiatus to start and nurture her family, Jodie continued her professional journey on a part-time basis, contributing her expertise to various Family Law Specialists for an additional 17 years. It was during this time that she crossed paths with Elle, and their professional connection began to take shape.

In 2009, Jodie ventured into a new domain, taking on a role in administration for a Mining Engineering Consultancy company that provide services to the coal mining industry. This move showcased her adaptability and capacity to excel in diverse work environments. Even as she embraced this new challenge, Jodie continued to contribute as an integral part of the legal and administrative teams.

Currently, Jodie serves as the Office Manager for the Mining Engineering Consultancy company on a part-time basis, showcasing her continued commitment and capability in this role. In 2018, she expanded her professional horizons by joining Health Volition team on a part-time basis. In her role at Health Volition, Jodie takes charge of managing private health fund and Medicare billings, while also providing support to the rest of the team as needed.

Beyond her professional endeavours, Jodie remains actively engaged with her family of five, balancing her career with her personal life seamlessly. Her part-time roles in both in mining sector and Health Volition, highlight Jodie's remarkable ability to manage multiple responsibilities and thrive in dynamic environments. Her dedication to her work and her family showcases a commitment to excellence that defines her professional journey.

• Email: accounts@healthvolition.com.au

Dr. Justin Greenslade seamlessly integrated into the Health Volition clinic in 2020, assuming a pivotal role in overseeing the care of patients undergoing bariatric surgery such as the gastric sleeve and gastric bypass. Renowned for his clarity and concise communication style, Dr. Greenslade adeptly engages in comprehensive discussions regarding all aspects of patients’ health and history. This ensures that tailored and well-informed recommendations are provided, reflecting his commitment to delivering the highest standard of care. His exceptional expertise in the field not only underscores his dedication to patients but also serves to alleviate any hesitations and anxieties they may experience during surgical and non-surgical procedures.

Our unwavering dedication to prioritising patient well-being is evident through our collaboration with a team comprising the most skilled professionals in their respective fields. Our focus lies in delivering exceptional weight loss surgery executed with passion and commitment.

Dr. Justin Greenslade is a highly trained specialist in Upper Gastrointestinal and Bariatric procedures. His expertise spans laparoscopic and general obesity surgery such as gastric sleeve, gastric bypass and revisional weight loss surgery, as well as laparoscopic anti-reflux surgery. Additionally, Dr. Greenslade offers services including laparoscopic cholecystectomy and laparoscopic hernia repairs.

Dr. Greenslade’s journey began with his training at the University of Queensland in Brisbane, Australia, followed by a four-year subspecialty training in upper gastrointestinal surgery, liver and gall bladder procedures, and obesity surgery in Adelaide, Edinburgh, and Sheffield in the United Kingdom.

In 2005, Dr. Greenslade assumed the role of Director of Surgery at the QEII Hospital in Brisbane for nearly four years. Subsequently, he established a dedicated private practice at Greenslopes Private Hospital, where his focus remains primarily on obesity surgeries.

Credentials, Memberships, and Affiliations:

– Bachelor of Medicine and Bachelor of Surgery (MB, BS), 1992
– Fellowship with the Royal Australasian College of Surgeons (FRACS), 2001
– The Medical Board of Queensland
– General Surgery, Upper Gastrointestinal Surgery & Obesity Surgery
– Fellow of the Royal Australasian College of Surgeons
– Obesity Surgery Society of Australia and New Zealand (OSSANZ)
– Australia and New Zealand Gastro Oesophageal Surgery Association (ANZGOSA)
– Australian Medical Association (AMA)
– Conjoint Committee for Recognition of Training in Gastrointestinal Endoscopy
– Director of Surgery, QEII (2006-2009)
– Co-appointment, Upper GI Unit, Princess Alexandra Hospital (2008-2010)
– Visiting Surgeon QEII Hospital 2010-2013
– Greenslopes Private Hospital, Brisbane

Dr Justin Greenslade offers his surgical expertise operating at Greenslopes Private Hospital and Brisbane Private Hospital.

• CV: LinkedIn
• Email: surgeon@healthvolition.com.au

Lisa Bartzis (nee Peterson), a dedicated and Accredited Practicing Dietitian who has been a valuable member of the Health Volition team since 2016. Lisa is recognised by the Dietitians’ Association of Australia, holding accreditation that reflects her commitment to professional excellence. She holds a Bachelor of Health Science in Nutrition and Dietetics (Honours), showcasing her academic prowess in her field.

Lisa is not just a dietitian; she is a friendly and approachable professional with a refined expertise in bariatric post-operative care. Her passion lies in empowering Health Volition's patients to improve their health through personalised and innovative approaches. Lisa is dedicated to helping each client achieve their unique goals, emphasising the importance of establishing lifelong healthy attitudes towards food.

With a wealth of experience, Lisa has worked in various settings, including one-on-one consultations, couple and family therapy settings, as well as workshop and public speaking engagements. Her versatility allows her to connect with individuals on a personal level, tailoring her approach to meet the diverse needs of her clients.

Lisa firmly believes that weight loss surgery is a tool that, when guided correctly, can lead individuals and their families to a healthier, happier, and longer life. Her emphasis on nutrition education, both pre and post-surgery, reflects her belief that anyone can change lifelong behaviours to enhance their quality of life.

What sets Lisa apart is her understanding of psycho-dietetic issues. She listens attentively and collaborates with clients and their support teams to provide recommendations that are not only psychologically minded but also sustainable for the long term. Lisa recognises that success in dietary changes requires a holistic and collaborative approach.

Beyond her professional achievements, Lisa is a published author with two cookbooks, "The Mediterranean Diet - The Lifestyle of Eating" and "Mediterranean Eating - Eat Cook Live." In her personal life, Lisa is happily married, with two young children and a fur baby. This multi-talented professional brings a wealth of knowledge, warmth, and dedication to her role at Health Volition, contributing significantly to the well-being of the individuals she serves.

• Email: lisa.bartzis@healthvolition.com.au

Nomsa Wilkinson is an accomplished Endorsed Nurse Practitioner specialising in mental health, with over 15 years’ dedicated service in Queensland Health’s Mental Health Services. She spent 2010–2025 as Nurse Unit Manager of the Psychiatric Emergency Centre (PEC), where her leadership ensured delivery of high-quality, patient-centred care in a demanding, acute setting.

Over the course of her career, Nomsa has advanced through roles as Registered Nurse, Clinical Nurse, Acting Nurse Unit Manager, and Acting Nurse Educator, gaining experience across inpatient wards, community mental health teams, crisis response units, and nurse education. She is known for championing clinical excellence, upholding ethical practice, and fostering continuous professional development among her staff.

A passionate lifelong learner, Nomsa holds three master’s degrees:
• Master of Nursing (Mental Health) – Newcastle University
• Master of Forensic Mental Health – Griffith University
• Master of Nurse Practitioner (Mental Health) – Flinders University, 2019

These qualifications underpin her advanced scope of practice and deep understanding of both general and forensic mental health nursing.

Additional Qualifications
• Post Graduate Diploma in Midwifery
• Bachelor of Nursing – University of South Australia
• La Trobe University, 2000
• Jane Furse Hospital, 1989

Nomsa began her career at the Royal Adelaide Hospital (2000–2004) before joining Royal Brisbane and Women’s Hospital. In 2004, she transitioned into Queensland Health’s Mental Health Services, where she has since been instrumental in service development and staff mentorship.

Nomsa now joins Health Volition as a core member of the team, bringing her extensive clinical and leadership expertise to outpatient private practice. She looks forward to delivering exceptional mental health nurse practitioner services and supporting the wellbeing of the community.

• Email: reception@healthvolition.com.au