let the expert team help

The team at Principle Four Osteopath have a combined experience of over 35 years. Rest assured no matter who your consult is with, you will be in the best of hands. 


Heath graduated from Victoria University in 2003 with a bachelor clinical science and master’s in health science (osteopathy).
Since then he has had a varied work career in the health and wellbeing space. Travel and continued education have seen him lecture at the British School Osteopathy, London School Osteopathy, Victoria University and Southern Cross University within the osteopathy departments. Teaching roles have included 9 years teaching exercise rehabilitation, 5 years ergonomics and 13 years clinical education. IN addition to this Heath also teaches post graduate training to health professionals in office and vehicle ergonomics, manual handling training and strength and conditioning.

Heath has worked extensively in the occupational health and safety industry, firstly with Health Response UK in London and now with Corporate Work Health Australia. He is experienced in the fields of office and vehicle ergonomics, tasks analysis, manual handling risk assessment training.
Heath is one of only a handful of osteopaths who have been awarded the title advanced occupational health osteopath (vocational) by osteopathy Australia.

Heath is also certified as a Level 2 strength and conditioning coach (Australian Strength and Conditioning Association), Level 1 tactical strength and conditioning coach (Australian Strength and conditioning association), FMS and SFMA certified (Functional Movement Systems) and Certificate of Applied Functional Science (Gray Institute).

Heath Headshot Photo Practitioners
Tim Mcnamara, Osteopath, Principle Four Osteopathy, Tim, Osteopathy


Tim graduated from Victoria University with a bachelor of science (clinical science) and masters in health science (osteopathy) in 2012.

Tim’s practice style incorporates a combination of manual therapy, strength and conditioning and workplace ergonomics to achieve positive outcomes for his patients. He also believes in the importance of a solid team and when necessary draws upon the knowledge of his fellow osteopaths, as well as trusted doctors and other allied health professionals to work together for the best outcome for his patients.

Tim also lectures within the osteopathy program at Victoria University and is a Senior Lecturer is Melbourne’s leading clinical myotherapy program at the Southern School of Natural Therapies.
Tim is also the managing director at the Australian Environmental Films Association where he uses his academic and people skills to create positive systemic change regarding environmental issues.


Jarrod graduated from Victoria University with a bachelor clinical science and master’s in health science (osteopathy).  Jarrod has a strong interest in treating all musculoskeletal complaints in people of any age, whether that be the competitive athlete, weekend warrior, desk worker or TV enthusiast.

Outside of private practice, he enjoys weight training and competing in powerlifting, with an aspiration to teach rehabilitation to health practitioners in the future.

Jarrod also works for Corporate Work Health Australia Pty Ltd who specialise in workplace ergonomic assessments and education, and currently conducts ergonomic training and risk assessments across Melbourne.

Jarrod has undertaken the following studies that have provided the framework for building his interest in osteopathy and strength and conditioning/exercise rehabilitation:

  • Bachelor of Clinical science, Master of Health Science (Osteopathy)
  • Bachelor of Exercise and Sports Science
  • Certificate 3 and 4 in Fitness
  • JPS online mentorship for personal trainers
  • Level 1 Strength and Conditioning – Australian Strength and Conditioning Association
Jarrod Testa Bio Photo Updated Practitioners
P4O Shaun Coghlan


Shaun completed his Bachelor of Science (Clinical Science) and Masters in Osteopathy at Victoria University.

Shaun’s practice style incorporates manual therapy-based treatment and has a particular interest in rehabilitation and promoting self-health and wellbeing through education and lifestyle changes.
Shaun also consults for Corporate Work Health Australia who specialise in workplace ergonomic assessments and education, and currently conducts ergonomic training and risk assessments across Melbourne.

Shaun is an avid basketballer. After playing for more than 15 years, including a tour of the USA, he moved into coaching in both junior and senior programs at the Blackburn Basketball Club.

Shaun has also previously worked as a sports trainer at the Whitehorse Football Club and has treated athletes at several other sporting events including netball and dodgeball.
Outside of work, you will find Shaun watching or participating in whatever sport is available, which often includes a round of golf with his mates or watching his beloved Collingwood Football Club.

Shaun is available for consultations at our Melbourne City CBD Clinic on Mondays and Wednesdays. When not working in the CBD, Shaun consults at The Osteopaths of Blackburn.


Beau Zanin is currenlty undertaking his internship at Principle Four Osteopathy as part of the VU internship program.  Beau will be graduating from VU  in June 2022 and will start working at Principle Four Osteopathy in July 2022.

Beau’s key interests include hands on treatment in tandem with strength and conditioning, helping people reach their optimal health and treating the person and not just the condition. Throughout his placement with us here at Principal for Osteopathy he is excited to see all conditions and to utilise his skills learnt over the past 4.5 years.


Beaus previous experience includes undertaking an internship at at Keep Active Osteopathy in Shepparton as well as treating within the student clinic at Victoria University and Healesville Indigenous Community Centre.
In his spare time he loves surfing, playing tennis, football, basketball, mixed netball and golf.
Img 0549 Practitioners








10 + 3 =