🌿 Meet the Health Mastery Coaching Team
At Health Mastery, our coaches don’t just teach healthy living—they live it. Each member of our team brings their own unique blend of expertise, experience, and heart to help guide you toward lasting, natural wellbeing. Whether you’re just starting out or ready to go deeper, you’ll find support, clarity, and real-life tools from people who truly care.
Oscar van Rooij
Oscar is the co-founder and Head Coach at Health Mastery, and the driving force behind our Mentor Programme. With over 25 years of experience in personal development, he brings calm clarity, deep insight, and a sharp focus on mindset to every session.
He specialises in helping people shift from stuck to empowered—Oscar helps clients rewire limiting beliefs, reconnect with their identity, and build inner resilience.
As a certified mindset coach and energy worker, he draws on coaching psychology, human needs theory, and nervous system regulation to make deep transformation achievable.
Suzanne van Rooij
Suzanne van Rooij is the co-founder of Health Mastery and the creative mind behind our online learning experience. With a deep passion for holistic living and behaviour change, she designs every learning journey to be practical, empowering, and grounded in nature—helping members build real health from the inside out.
Her focus is on making health simple, sustainable, and deeply personal.
As co-founder of The Green Woman, our award-winning sister brand in organic skincare, she also brings over a decade of experience in natural wellness. Based in the UK, Suzanne leads with heart and clarity—supporting people to reconnect with their bodies, habits, and inner wisdom.
Emma Gresko
Emma is a certified Nutrition Coach, Wellness Coach, and Personal Trainer who lives and breathes natural health. A dedicated 5am-er, she starts her day with energising routines and real-food fuel—often homemade protein balls and kombucha.
Her coaching style is warm, grounded, and practical, helping clients cut through confusion and build habits that genuinely last. With a strong belief that wellbeing should feel empowering—not overwhelming—Emma supports others in finding strength, balance, and joy in their everyday routines.
Based in the UK, Emma supports clients with flexible, personalised coaching that fits into real life.
Jade Mahon
Jade Mahon is a certified Health & Life Coach, Nutritionist, and Personal Trainer with over three decades of experience in personal development and holistic wellness.
She empowers individuals to reclaim their vitality and overcome stress, burnout, and emotional eating through mindful nourishment, functional movement, and sustainable lifestyle shifts. With a keen focus on optimizing physical energy, metabolic health, and body confidence, Jade brings science-backed strategies and a compassionate approach to every transformation.
Based in Canada, she delivers her prairie heart, international training, and unstoppable energy to clients across North America.
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