March 2026 Leadership, culture, and performance all come down to one thing: people. This month we’re thinking about the long game, the relationships, trust, and standards that shape teams and organisations over time. Inside you’ll find insights on building human-centred workplaces, ways to measure and strengthen engagement, and a look ahead to how leaders are […]
March Update: Leadership Is Human Read More »
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| Liz Darling is the heartbeat of Unstoppable Force’s health and wellness movement—a passionate midwife, a powerhouse health coach, and a champion of living life to the fullest. With decades of hands-on experience bringing new life into the world, Liz knows firsthand the power of resilience, balance, and well-being. As a Precure-trained health and wellness coach, she combines science-backed strategies with real-life practicality, helping individuals and teams unlock their best, healthiest selves. But here’s the secret—she makes it fun! No guilt, and no impossible rules—just simple, sustainable changes that lead to unstoppable energy, strength, and vitality.
A devoted mum to Rachel and Andrew, Liz doesn’t just talk about wellness—she lives and breathes it. Whether she’s coaching clients, guiding new parents, or showing business leaders how to thrive under pressure, her philosophy remains the same: health isn’t a chore—it’s an adventure! With Liz in your corner, you’ll ditch the burnout, fuel your body and mind, and rediscover what it means to feel truly alive. If you’re ready to step into a healthier, happier, and more unstoppable version of yourself, Liz is here to show you the way—one laugh, one meal, and one deep breath at a time! |
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| Fletch combines high-level academic expertise, over a decade of hands-on coaching experience, and years of personal involvement in high-level sport, delivering a unique approach to helping clients and athletes achieve peak performance and health.
Working with New Zealand’s elite sportsmen and as a coach to the Nelson Giant basketball team, his dedication to coaching individuals to reach goals they never thought possible, coupled with his genuine love for training, ensures his clients receive the highest quality service and a world-class duty of care. Specialising in movement assessment, corrective exercise, and optimising training performance, Fletcher ensures that his clients excel in both sport and daily life while maintaining optimal health. Passionate about program design, Fletcher believes that true success in this industry comes from blending evidence-based principles with the art of in-person coaching, creating a powerful foundation for lasting progress. He puts both Liz and Stew through their paces on a regular basis! |
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| Diane Grayson is the master tactician behind Unstoppable Force—the one who makes sure the wheels don’t just turn, but that they burn rubber on the road to success! As Chief Operations Officer, she brings a wealth of business and development experience from both the UK and New Zealand, transforming chaos into order and big dreams into bankable results. With an eagle eye for opportunity and a no-nonsense approach to execution, Diane is the one who ensures that every strategy, every system, and every move is calculated for maximum impact.
But let’s be honest—her real job? Keeping Stew in check! Someone’s got to make sure the visionary doesn’t float off into the stratosphere, and Diane does it with style, wit, and just enough authority to make him listen (most of the time). She’s the calm in the storm, the organiser of madness, and the one who ensures we’re not just unstoppable, but also on time and on target. If you want a business that doesn’t just talk big but actually delivers, Diane is the one you want in your corner—preferably with a strong coffee in hand and a well-structured plan at the ready! |
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| Stew Darling is a force to be reckoned with—a relentless business leader, an unstoppable coach, and a military intelligence genius who has transformed the art of leadership and performance. A former British Army officer turned elite strategist, Stew has mastered the balance between discipline, innovation, and resilience. His career in military intelligence demanded precision, foresight, and the ability to navigate high-stakes situations—skills he now channels into guiding businesses and individuals to break free from limitations and achieve extraordinary success. Through his Unstoppable Force methodology, he helps leaders raise their standards, challenge the status quo, and unlock their full potential with a no-nonsense, battle-tested approach.
As the founder of Unstoppable Force, Stew has built a reputation for turning ambitious professionals into high-performing, unbreakable leaders. His coaching goes beyond conventional wisdom, integrating deep psychological insights, leadership principles honed in military operations, and real-world business strategies. Whether working with CEOs, entrepreneurs, or elite teams, Stew’s mission is clear: to cultivate an unshakable mindset, foster elite decision-making, and ensure his clients don’t just succeed but dominate. If you want to go from comfortable to unstoppable, Stew is your coach, mentor, and strategist. |
