MEET THE TEAM
Expert exercise physiologists helping you achieve your best.
✓ Accredited and experienced professionals
✓ Individualised, whole-person approach
✓ Support for recovery, strength, and fitness
At The Exercise Therapist, our team is dedicated to empowering you to move better, feel stronger, and reach your health and fitness goals. With evidence-based practices and personalised care, we’re here to support you every step of the way.
Katie Stewart
BHMS, ESSAM, AEP
Director and Co-Founder
Katie has over 19 years of experience as an Exercise Physiologist and exercise specialist. Over that time she has created two successful and innovative exercise and lifestyle businesses in Sydney at Fox Studios and The Beach Lifestyle Club in Perth. She has worked with high performing individuals delivering mental and physical performance optimisation.
More recently she has directed her focus towards chronic mental and physical illness and injury prevention research and services. The first research paper is due for publication in the National Mental Health Commission-founded, inaugural Equally Well publication.
Katie is a passionate and dedicated advocate for combined mental & physical primary health services for chronic disease. Outside of work Katie enjoys sharing time with her four children in their school and sporting lives and is passionately involved in the annual Hawaiian Ride for Youth – Raising awareness and funds for Youth Focus suicide prevention.
Lachlan Poulter
M.Clin.ExPhys, B.EXSPRHB, ASCA L1
Accredited Exercise Physiologist
Lachlan holds a bachelor of Exercise, Sports and Rehabilitation Science and a Master of Clinical Exercise Physiology from Curtin University. His primary clinical interests are cardiac, cancer and musculoskeletal rehabilitation.
Lachlan has a strong background in elite sport, playing First Grade Cricket and representing Western Australia at Second XI Level.
Outside of work, Lachlan is often training for cricket, trail running or enjoying time in the ocean when the surf is good.
Heidi Blackman
M.Clin.Ex.Phys, B.EXSPRHB
Clinical Administrator & Accredited Exercise Physiologist
Heidi specialises in exercise for neurological conditions, mental health, musculoskeletal rehabilitation, and pre and post-natal populations. Her own spinal surgery and recovery give her direct insight into neurological rehabilitation and chronic pain management.
With 10 years' coaching experience across 25+ netball teams and a return to play following surgery in 2022, Heidi brings both professional expertise and lived experience. She's worked as a therapy assistant in private hospital and NDIS settings.
Heidi is an inclusive and gender affirming practitioner, works within the health at every size framework and welcomes clients from all backgrounds and cultures.
Marcus Henderson
M.Clin.ExPhys B.Ex.Sp.Sc, AEP, AES, ESSAM
Graduate Exercise Physiologist
Marcus graduated with a Bachelor of Exercise and Sports Science from the University of Notre Dame Australia (2025), and a Master of Clinical Exercise Physiology from Curtin University (2025). He has also spent one and a half years working in a strength and conditioning/functional training environment as an Exercise Scientist.
Marcus upholds a strong background in soccer, having played for Melville City and Murdoch Melville Football Club since he was 8 years old, and then representing 1st XI throughout high school. During this time, a year-long rehabilitation journey of a hip injury in 2018 sparked Marcus's interest in the rehabilitation space.
After recently finishing his studies, he has primary clinical interests in cardiac, musculoskeletal, and cancer rehabilitation, with a passion to build meaningful rapport and optimise health outcomes. However, away from work, you'll find Marcus playing golf at Collier or Pt Walter, or playing padel with mates.
Lisa Rowley
BA, BBus (Mktg)
Co-Founder
Lisa completed her university education in Western Australia with a business degree in Marketing and an Arts degree in Asian studies. During the 80’s and 90’s Lisa found herself in Sydney, London, New York and San Francisco working for the global IT company, Oracle. She returned to Perth in 2000 with her family and started up her own business as a professional organiser - Organised Living Pty Ltd.
In 2016 Lisa co-founded The Exercise Therapist. She has worked to develop this company as a leading and internationally recognised Allied Health Clinic in Western Australia. In 2020, the company was re-branded - Chronic Care Australia Pty Ltd (CCA).
In addition to her work at CCA, Lisa is a Director for her Family’s Philanthropic Foundation – The Rowley Foundation. The Rowley Foundation was established in 2010 by Lisa’s father – Graeme Rowley as an avenue to give back to the community of Western Australia.
Sue Watson
Chartered Accountant
Finance Manager
Sue is a chartered accountant with over 25 years experience. She has worked as a business advisor with a variety of clients during her time in professional practice. For five years Sue was the Financial Accountant for Bankwest and produced the majority of their financial reports for the short time they were listed on the ASX.
Sue has had a mix of voluntary roles including treasurer of the Women's’ Sports Foundation of WA, committee member and treasurer of her children’s local primary school P&C, and manager of a number of children’s sporting teams. Sue has recently been elected as a general committee member on the board of Floorball WA.
During the winter Sue’s demeanour ebbs and flows with the results of the Fremantle Dockers.