Meet Our Perth Team
At O2 Active, our team of Accredited Exercise Physiologists (AEP’s) and health and wellness professionals assist people with disability, injury or illness to move better, feel good and take part in everyday activities and community life.
Every team member is passionate about helping you experience better function, health, and wellbeing – irrespective of your fitness, age or ability.
O2 Active work with people throughout Perth and surrounding areas, including the Perth Hills, Mandurah, Yanchep, Northam and Merredin, to achieve their health goals using exercise and lifestyle interventions delivered with a positive and supportive approach.
CAITLIN HUNT
MANAGING DIRECTOR (AES, AEP, AUSCEP)
Caitlin has over 24 years of experience in allied health, specialising in clinical rehabilitation, pain, invisible illnesses, women’s health, and longevity. An Accredited Exercise Physiologist, she sits on the UWA Master of Clinical Exercise Physiology advisory board and holds qualifications in Pilates and yoga. She believes in addressing the interplay between movement, biochemistry, metabolism, stress, and lifestyle behaviours to help patients overcome symptoms and optimise health. Caitlin emphasises that the body doesn’t need perfection—just care, attention, and the opportunity to function as it was designed to, supporting clients in feeling their best and living a fulfilling life through evidence-based exercise and lifestyle strategies.
ANNIKA RENKEMA
SENIOR EXERCISE PHYSIOLOGIST (AES, AEP)
Annika is a highly experienced Accredited Exercise Physiologist and second-in-charge at O2 Active Exercise Physiology. She holds a Bachelor of Science in Exercise & Sports Science and a Master of Clinical Exercise Physiology. Annika has worked extensively with clients living with complex and chronic conditions, delivering individualised, evidence-based exercise programs that enhance physical, mental, and emotional health.
Her clinical expertise includes rural health, mental health, metabolic conditions, and musculoskeletal rehabilitation, with a strong focus on Pilates-based exercise for injury prevention and long-term wellbeing.
CAROLINE BROADWAY
SENIOR EXERCISE PHYSIOLOGIST (AES, AEP)
Caroline (Caz) is an Accredited Exercise Physiologist and qualified health coach who believes in the transformative power of movement. She specialises in oncology, osteoporosis, osteoarthritis, active ageing, falls prevention, and metabolic health, using exercise to manage chronic conditions and improve quality of life. Caz is passionate about making exercise accessible to everyone, regardless of age, ability, or health status. Her patient-centred approach focuses on support, education, and empowerment, ensuring every client feels valued, confident, and capable in their journey toward better health.
KALYPSO MCCALLUM-SMITH
SENIOR EXERCISE PHYSIOLOGIST (AES, AEP)
Kalypso holds a Master of Clinical Exercise Physiology and a Bachelor of Science in Sports Science and Exercise & Health. She is also a qualified Swedish massage therapist.
She has extensive experience in clinical rehabilitation and supports clients with a range of conditions, including musculoskeletal injuries, sporting performance, chronic pain, and psychosocial health. Kalypso has a strong interest in neurological rehabilitation, particularly working with clients with spinal cord injuries, neurodivergence, and other neurological conditions.
Kalypso is passionate about helping people build a positive relationship with movement, tailoring programs to support confidence, function, and long-term well-being.
SOPHIE TUCKETT
SENIOR EXERCISE PHYSIOLOGIST (AES, AEP)
Sophie is an Accredited Exercise Physiologist with a Bachelor of Science (Honours) and a Master of Clinical Exercise Physiology. She has extensive experience in workers’ compensation and injury management, previously working as an Injury Management Consultant. Now, as an Exercise Physiologist at O2 Active, she plays a key role in delivering tailored rehabilitation programs to support injured workers as well as leading our collaboration with Coastal Orthopaedics in the medicolegal space. With a special interest in injury rehabilitation, women’s health and active ageing, neurology, and pain management, she is passionate about using creative movement to ensure each client develops a meaningful and sustainable relationship with physical activity.
EMILY SIERAKOWSKI
SENIOR EXERCISE PHYSIOLOGIST (AEP, AES)
MIKAYLA JOGERSEN
EXERCISE PHYSIOLOGIST (AES, AEP)
Mikayla has a Bachelor of Science (Exercise and Sport Science) and a Master of Clinical Exercise Physiology. She is dedicated to helping individuals improve their health and wellbeing through exercise progressing them towards their goals. She has a special interest in the social, mental and physical health of those with disability, pediatrics and oncology. Mikayla has been involved in community sports from a young age and continues to compete in basketballs and women’s AFL. Mikayla is keen to broaden her expertise and pursue ongoing learning opportunities, all while delivering exemplary patient-centered care aimed at assisting individuals in attaining their health and wellness objectives.
LIAM TUBBY
EXERCISE PHYSIOLOGIST (AES, AEP)
Liam holds a Master’s degree in Clinical Exercise Physiology and a Bachelor of Science in Exercise & Sports Science, along with certifications III and IV in Health and Fitness. His professional interests include working with peadiatrics, managing chronic cardiac, neurological, respiratory, musculoskeletal, and metabolic conditions. Liam is dedicated to fostering positive lifestyle changes through evidence-based exercise programs that are tailored to each person’s unique needs. He aims to enhance both physical and mental well-being, helping individuals lead healthier, more fulfilling lives.
BEN LIVINGSTONE
EXERCISE PHYSIOLOGIST (AES, AEP)
Ben has graduated with a Master of Clinical Exercise Physiology and a Bachelor of Science in Sport Science, Exercise and Health. Ben is dedicated to helping people discover the benefits that exercise can offer for the physical, mental, and social aspects of life. He strives to ensure that each client is heard with their personal goals catered for, to ensure that all ages, abilities, backgrounds, cultures, pathologies, and beliefs are treated fairly to create a safe and non-judgemental experience. Growing up in the regional Southern coast of Western Australia, Ben has a passion for promoting exercise physiology services to all regions including rural areas, and for those living in these regions to have access to client-centred health care.
JESS TREGILLES
EXERCISE PHYSIOLOGIST (AES,AEP)
Jess graduated with a combined Masters in Clinical Exercise Physiology, and Bachelor of Science in Sport Science, Exercise and Health. With experience working alongside both senior and junior WAFL squads, Jess specialises in strength and conditioning for youth athletic development, and injury management to return back to sport for all abilities. Passionate about everything outdoors, she believes in getting creative with exercise choice finding the most enjoyable option for clients to support both their physical and mental health. When she’s not working you can find her trying all new types of movement such as training for a marathon, hiking and rock climbing.
NAT ELKS
EXERCISE PHYSIOLOGIST (AES,AEP)
Nat is a qualified Clinical Exercise Physiologist with a Combined Bachelor of Science (Sports Science, Exercise and Health) and a Master in Clinical Exercise Physiology. With extensive experience in paediatric exercise services, he specialises in providing tailored, evidence-based exercise programs for neurodivergent children and teenagers. His background in competitive swimming and school sports has shaped his strong belief in the importance of physical activity for youth development, social engagement, and cognitive growth. Nat’s expertise also spans clinical rehabilitation, strength and conditioning, and coaching for individuals from diverse backgrounds, with a particular focus on those with disabilities and mental health disorders. He is passionate about empowering individuals to build a positive, enjoyable relationship with exercise that aligns with their unique goals and promotes long-term health and wellbeing.
ZOE ROBERTS
EXERCISE PHYSIOLOGIST (AES, AEP)
Zoe is a dedicated member of our team with a strong passion for paediatrics. Zoe holds a Bachelor of Science in Sports Science and Exercise Health, along with a Master’s Degree in Clinical Exercise Physiology. Zoe grew up in the Northwest Gascoyne region, her early involvement in competitive gymnastics ignited her fascination with the intricacies of the human body. Zoe is currently pursuing a Bachelor of Physiotherapy. This is driven by her commitment to working with clients across all age groups, from paediatrics to elderly.
KELLY HOLLIDAY
HEAD OF STRENGTH, CONDITIONING, PILATES & YOGA
Kelly brings over 17 years of experience in the fitness and wellness industry, with qualifications in Cert III & IV in Fitness and specialised training in Pilates, Yoga, Mindfulness Meditation, and Massage. She is passionate about the mind-body connection and supporting her clients’ physical, mental, and emotional well-being.
With a background in elite sport—representing Victoria in netball and softball—and 16 years in customer service with Qantas, Kelly combines movement expertise with exceptional people skills. She is known for creating meaningful, lasting connections with her clients.
ASHLEIGH TUDORI
STRENGTH AND CONDITIONING COACH
Ashleigh is currently studying a Bachelor in Exercise and Sports Science. She has been heavily connected to the sporting industry from a young age and has developed a passion within the industry for working with paediatrics and youth. Ash enjoys the value that comes from working with children and strives to assist others with learning to love and enjoy fitness in the same way she does.
IMMY HARRIS
ACCREDITED EXERCISE SCIENTIST
Imogen is an Accredited Exercise Scientist with a Bachelor of Exercise and Sports Science and is currently completing her Master of Clinical Exercise Physiology. She has a strong background in elite sport, having represented both state and national teams from a young age and worked as Assistant Strength and Conditioning Coach for the East Fremantle Sharks in the WAFL.
Imogen is passionate about the role of movement in improving not only physical health but also mental well-being, confidence, and overall quality of life. She believes everyone, regardless of age or ability, should have the opportunity to develop a positive, empowering relationship with exercise.
Her approach places a strong emphasis on education and long-term habit building, helping clients feel confident and capable in their movement journey. Imogen has a particular interest in working with paediatric and youth clients, focusing on the importance of early movement experiences in developing lifelong health, resilience, and self-belief.
NICOLE GARDNER
ACCOUNTS MANAGER
Nic is your friendly face at reception and accounts manager. With her warm smile and caring nature, Nic ensures everyone feels welcomed from the moment they step through our doors. As the friendly face you see at reception and always happy to help with your questions, Nic ensures your experience with us is smooth and stress-free. Her dedication to patient care and genuine interest in helping others makes her an invaluable member of our team, contributing to the positive and supportive environment we strive to maintain.
Create your own account, manage your class bookings and payments online.
Unit 1/124 Stirling Highway, North Fremantle WA 6159
Suite 13, Level 2, 36 Eric St, Cottesloe
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