Meet the Team

Our qualified and highly experienced practitioners

Our Practitioners

Our highly experienced and qualified practitioners have dedicated their career to helping those with head dysfunction. We are passionate about our work and have completed many hours of further study with extensive training to be able to offer a specialised treatment approach for Headache and Migraine.. 

All our physiotherapists have studied at The Watson Headache® Institute, under Dr Dean Watson and attained Level 2 status or higher, ensuring our patients receive expert care from our knowledgeable team. The area of migraine can be complex, and therefore, a high level of expert care and focussed approach is essential for good outcomes!  

We take a collaborative approach, with compassion and understanding, to achieve best outcomes for our patients.

As leaders in our field, our Founding Principal has presented at International Symposiums and is involved in clinical research to attain better health outcomes for migraineurs, worldwide.. 

Rob Wallis

B App Sc (Phys) M.A.P.A.
Watson Headache® Certified Practitioner (Level 3)
Watson Headache® Approach Facilitator (Level 4)

Founding Principal | Director

Robert Wallis graduated as a physiotherapist in 1985 and currently has 38 years of clinical experience. His career reflects expertise in both headache/migraine treatment as well as concussion injuries.

Rob is a Watson Headache® Certified Practitioner with 15 years of experience in this specialised field. In 2022, he was acknowledged as a Level 4 Facilitator by Dr Dean Watson, one of only three practitioners, worldwide, who hold this title.

His professional interest in headache and migraine treatment began from his own personal 10-year struggle with migraine. After attending the Watson Headache® Institutes’ Foundation Course in 2008, Rob experienced an almost immediate recovery of his condition.  With this encouraging result, together with those of his patients, Rob’s interest in the headache realm grew. Further study in the area lead to a career focused solely on the management and treatment of headache and migraine disorders.

His professional interest with the neurological pathology of migraine patients revealed a significant correlation with concussion presentations. He is presently researching these correlations and has presented findings at an International Symposium. Rob’s passion in headache treatment and history in sports physiotherapy, has led him to expand his services, providing treatment, education and prevention strategies for people impacted by concussion. through our subsidiary clinic

He works in the City CBD, Kogarah and Moore Park.

Andris Simsons

B Sci(Kin) MPhty M.A.P.A
Watson Headache® Certified Practitioner (Level 3)

Principal (Caringbah)

Andris graduated from Sydney University in 2010 and has worked as a physiotherapist in the private setting treating various injuries. He has developed a passion for treating people with headaches and migraines and also has a keen interest in treating neck and shoulder injuries.

Andris is a Watson Headache® Certified Practitioner (Level3) and has been using the method for over eight years.. He was drawn to the technique due to its effectiveness in treating chronic headache and migraine conditions. He enjoys helping his patients take control of their headaches, through hands-on treatment and exercises, equipping them with the skills to self-manage their problem.

Andris became a principal of our Caringbah office in 2017.

Sasha Mills

B Med Sci (USyd)   B App Sc (Phys)
Watson Headache® Certified Practitio
ner (Level 3)

Headache | Migraine | Vestibular Physiotherapist

Sasha graduated in 1998 from Sydney University and has worked as a physiotherapist in the public hospital system and then private practice setting.  It was in private practice that a special interest in neck, headaches and dizziness began. 

Sasha has trained extensively in the Watson Headache® Approach along with vestibular rehabilitation. Sasha’s strong musculoskeletal skills combined with vestibular background is an asset when it comes to treating migraine, headache, vertigo and concussion. Personally, the Watson Headache® Approach has helped settle her migraines and she now feels more in control of any symptoms as they arise. 

Sasha thoroughly enjoys helping clients manage their debilitating symptoms effectively and return to the joys of daily life.

 She offers her services from our Sydney CBD practice.


Sophie Choi

Watson Headache® Practitioner (Level 2)                                 

Headache | Migraine Physiotherapist                                                                Lymphodema Therapist

Sophie graduated from University of South Australia in 2017 and has worked as a physiotherapist and lymphoedema therapist in the private and hospital setting. She has developed a solid passion and continually trained to treat people with headaches, migraines, concussion and vestibular conditions. 

Sophie has been exposed to the Watson Headache® Approach during senior years of her studies through her mentors and has built strong belief in this effective technique. She has further refined and solidified her knowledge and technique by completing both the Foundation and Consolidation courses at the Watson Headache® Institute, under Dr Dean Watson. She is currenlty a Level 2 Practitioner.

Sophie will listen and work with you to develop an individualised treatment plan. She finds it rewarding to help her patients take contraol of their headaches and to empower them with the knowledge and skills needed to change lives.

Sophie works at both our CBD and Caringbah Practice.

Merryn Moffat

B App Sc (Phys) M.A.P.A
Watson Headache® Certified Practitio
ner (Level 3)

Headache | Migraine | Vestibular Physiotherapist

Merryn Moffat graduated in 1989 and has worked in a variety of settings including private practice and large public teaching hospitals. Her career reflects expertise in both headache and migraine treatment as well as vestibular disorders.

Merryn is a Watson Headache® Certified Practitioner (Level 3) with seven years’ experience in this specialised field. Her professional interest in headache and migraine began with her own struggle with migraine / headaches since a teenager. Merryn had short term relief with general manual physiotherapy, however, after being treated by Rob Wallis (Principal of this practice) in 2016, her symptoms immediately improved with long tern relief and she remains migraine-free to this day.

Merryn has worked extensively in Vestibular physiotherapy, specialising in this field for six years. With her exceptional skills to differentiate between the various causes of dizziness/vertigo, she can provide the appropriate treatment plan to make a change efficiently and effectively.

Merryn knows, first hand, how debilitating migraine can be and enjoys helping clients manage their symptoms effectively and return to an active, fulfilling life.

Merryn offers her services from our Sydney CBD practice.

Jeff Wolak

B Sc(HK) BA(Psych) MPthy
Watson Headache® Practitio
ner (Level 2)

Headache | Migraine  Physiotherapist

Jeff graduated from Sydney University in 2009 and has worked as a physiotherapist, in private practice, gaining a wealth of experience treating different types of conditions. His focus on manual therapy and particularly his interest in the cervical spine and headaches has led him to study the Watson Headache Approach in 2012. He is consistently amazed at the the effectiveness of the technique for improving migraine and headache conditions.

Jeff gains great satisfaction in being able to diagnose and manage difficult cases successfully. He is dedicated to helping individuals take control of their headaches and develop strategies to maintain them. As a passionate and empathetic person, he thoroughly enjoys assisting people in achieving their personal goals and getting the best out of life.

Jeff works at our Caringbah practice.

Janine Wallis

Director & Business Manager

Janine is our behind-the-scenes ‘mission controller’ for all locations. With 30 years of business experience, Janine  ensures the smooth running of our practices. Her role involves business growth and development, implementation of systems and procedures, supporting our whole team and ensuring a high level of patient satisfaction. With an empathetic heart, Janine enjoys getting to know patients on a personal level. She loves to have a good chat, listen to personal stories, encourage patients in their journey and celebrate their return to good-health.

If you have any compliments or concerns, she is the person to contact: 

1300 MyHeadache  |  1300 694 323



Experienced Practitioners


Professional & Friendly


Focused Approach