Tiffiny Hall

FOUNDER & CEO | BODY POSITIVITY ADVOCATE | AUTHOR | KEYNOTE SPEAKER

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Biography

Tiffiny Hall is a powerhouse in the Australian health and wellness industry. She is a best-selling author, media personality, entrepreneur, and one of the country’s most respected and trusted fitness experts. With a career spanning over two decades, Tiffiny has built an empire on authenticity, resilience, and an unwavering commitment to helping others achieve their best selves.
A sixth dan black belt master in Taekwondo, Tiffiny’s lifelong passion for martial arts underpins her powerful philosophy of self-empowerment through movement. As an accomplished self-defence expert and motivational speaker, she shares the tools to build confidence in mental, emotional and physical strength.
Tiffiny first gained national recognition on Gladiators (2008), and later as a fan-favourite trainer on The Biggest Loser Australia (2010-2016), where her tough-love approach and relatable personality won over audiences. She regularly presented on cult shows such as The Circle, The Living Room and has appeared on Have You Been Paying Attention, Slideshow and most recently The Amazing Race Celebrity Edition (2025).
Tiffiny is the Founder and CEO of TXO (including TXO Life her successful health and fitness app, TXO Flex activewear, and TXO Nourish supplements) a revolutionary digital health platform dedicated to transforming the lives of over 500,000+ women with its inclusive, sustainable approach to fitness and wellbeing. TXO was acquired by 28 by Sam Wood in 2025. Tiffiny is a trainer on 28 and still enjoys coaching women in weightloss, strength and mindfulness.  Tiffiny was also the Director of Training for Chris Hemsworth’s fitness platform Centr and is a Centr Trainer.
Tiffiny has a Bachelor of Arts/Media and Communications from the University of Melbourne and Diploma in Modern Languages as well as a Diploma in Sports Coaching. She is also a certified personal trainer and pre-post-natal trainer. She has authored over 11 best-selling fiction and non-fiction books, including the Roxy Ran series, A First Time For Anything and Snack Power.
Tiffiny regularly features as a thought leader across major media outlets. Her popular NOVA podcast Bounce Forward won Radio Today’s ‘Best Health and Wellness Podcast’ award. She was voted as one of the most Fitfluential trainers in Australia, and she was the first pregnant woman in history to grace the cover of Women’s Health magazine.
A TEDX speaker, Tiffiny’s keynotes are dynamic as they are equal parts strength and vulnerability. Using martial arts, storytelling, and lived experience, she leaves audiences stronger in spirit and motivated to rise after each appearance.
Tiffiny works as the CXO of her family martial arts business Hall’s Taekwondo where she continues to share her passion for martial arts and speciality self-defence with people of all ages.
Tiffiny Hall is a mentor, a brand, a connector, and a changemaker. With a loyal community, and a vision to inspire through empathy and self-empowerment, Tiffiny Hall continues to redefine what it means to be strong in body, mind, and heart.

Tiff is also an acclaimed podcaster, helming ‘Bounce Forward’ with Nova Podcasts, where she speaks with experts and shares her fitness knowledge, Tiff talks listeners through her everyday tips for health and happiness.

Tiff is well known as a body positive activist; she is equally inspiring and empowering.  Her honest and often raw accounts of her own personal setbacks and triumphs have seen her garner legions of fans from around the world; fans who not only applaud her but also celebrate her for her authenticity.

Her ongoing contribution in the wellness industry has been profound. In 2019 she was voted as Women’s Health Magazine most FitFluential trainers and in 2022, she was the first pregnant woman in history to grace the cover of Women’s Health magazine. She is the expert of choice by media professionals and is highly sought after as a motivational speaker.

Whether it be working with mums, profiled celebrities or professional athletes, Tiff transforms lives. Her passion for helping others become the best version of themselves is clear. She has mentored and trained over 500,000 members from her TXO Life program, she is an author of over 11 books, is a TEDx speaker and the host of “Bounce Forward” podcast.

Tiff is changing the way the world views health and fitness. She is a progressive thought leader – always encouraging others to focus on her ‘bounce forward’ philosophy, be positive about their bodies and ditch external pressures to bounce back.

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