THE POWER OF CONFIDENCE
REWRITE YOUR STORY
OVERCOME SELF-DOUBT
STEP INTO YOUR POWER
MEET COLLEEN
Colleen Callander is an award-winning CEO, bestselling author and modern thought leader redefining what it means to lead with confidence, purpose, and heart.
Leaving school at just 16, Colleen’s story is one of courage, determination, and a belief that anything is possible. Starting on the shop floor and rising to become one of Australia’s most influential female CEOs, she spent over a decade leading two of the country’s most iconic fashion brands, Sportsgirl and Sussan, where her people-first approach transformed culture and performance.
Today, Colleen empowers individuals and organisations to lead with authenticity and confidence through her work as a keynote speaker, business advisor, and founder of Mentor Me Women. Her message is simple yet powerful: confidence is not something we’re born with, it’s something we can build.
Through her books Leader by Design, Elevate, and her upcoming release The Power of Confidence, Colleen shares the tools, mindset, and strategies to help people rewrite their story, overcome self-doubt, and step into their power.
The Power of Confidence
Rewrite Your Story. Overcome Self-Doubt. Step Into Your Power.
By Colleen Callander – Global Bestselling Author & Award-Winning CEO
Confidence isn’t something we’re born with, it’s something we build, one choice at a time.
In The Power of Confidence, Colleen Callander shares the proven tools, stories, and strategies that have helped thousands of people transform the way they think, feel, and lead.
Drawing on three decades of leadership experience and her own personal journey from burnout to self-belief, Colleen reveals how to rewrite the stories that hold you back, silence your inner critic, and lead with
confidence in business, in life, and in every room you walk into.
What makes this book truly powerful is the 30-Day Confidence Transformation - a practical, day-by-day journey that guides you step by step to build confidence from the inside out.
Each day is filled with simple reflections, empowering action steps, and inspiring affirmations that help you:
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Strengthen your self-belief and self-worth
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Break free from fear, guilt, and perfectionism
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Reconnect with your values and purpose
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Create new rituals that nurture lasting confidence
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Step boldly into the life and leadership you truly desire
Whether you’re craving a fresh start, navigating change, or ready to rise to your next level,
The Power of Confidence will help you unlock the courage, clarity, and confidence that already live within you.
Pre-order your copy today and be among the first to experience
The Power of Confidence — launching globally January 2026.
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