In Invincible Not Invisible: Change Your Mindset and Your Body in 90 Days, Fiona Lambert shares her personal journey of transformation — getting into the best shape of her life at 60. This empowering book is both a guide and a rallying cry for anyone ready to reclaim their energy, confidence, and well-being beyond midlife.
Combining real-life experience with practical advice, Fiona offers a blueprint for improving your health, fitness, and mindset—no matter where you’re starting from. Her message is clear: it’s never too late to take control of your life and feel your absolute best.
Whether you’re looking to make small changes or a complete lifestyle shift, Invincible Not Invisible is your motivating companion for redefining what’s possible.
Fiona Lambert is one of the UK’s most respected business leaders, with a remarkable career spanning over 30 years in the fashion industry. She has held senior roles at leading retailers including Next, Asda, Dunelm, River Island, and was most recently the Managing Director of Jaeger at M&S.
Fiona began her journey working alongside George Davies to launch George at Asda, the UK’s first supermarket fashion brand, in 1990. Since then, she has played a key role in shaping high street fashion, overseeing design, buying, sourcing, and quality for brands worn by millions. Her customer-first approach and focus on innovation also led to the successful launch of George Home and the reinvention of Jaeger.
Passionate about nurturing future talent, Fiona spent five years supporting Graduate Fashion Week and has received multiple awards for mentoring, innovation, and leadership. She is known not only for her industry expertise but also for her commitment to helping others grow and thrive.
Read Fiona’s feature in The Times.
