About Me
Dan Missin is an ICF-certified coach, mental performance trainer, and functional breathing instructor integrating the Oxygen Advantage to help people improve their health, resilience, and long-term well-being. Based in Brussels, Belgium, he works both face-to-face and online with clients from all backgrounds — from high performers to individuals simply looking to breathe, sleep, and live better.
Dan’s journey began with a long-standing passion for human potential and behavioural transformation. Trained in cognitive, behavioural, and neuro-psychological approaches, he spent years helping clients overcome procrastination, stress, and limiting patterns. But the turning point came when he realised that mindset training alone wasn’t enough: true change requires the body and the breath to follow.
Discovering The Oxygen Advantage provided the missing physiological foundation. Through functional breathing, CO₂ tolerance improvement, and nervous system regulation, Dan found a method that could reliably enhance focus, energy, sleep quality, and emotional stability — not just during coaching sessions, but throughout a client’s daily life. He now incorporates OA principles into mental performance strategies, helping people build a calm and efficient baseline from which real behavioural change becomes possible.
Dan enjoys working with a broad spectrum of clients:
• Individuals looking to improve their overall health — better sleep, reduced anxiety, fewer breathlessness episodes, improved nasal breathing, and stronger stress management.
• Athletes and active people wishing to enhance endurance, recovery, and concentration.
• Professionals and entrepreneurs needing clarity and stable energy to perform under pressure.
• Anyone feeling disconnected from their body or breath, searching for a sustainable way to rebuild vitality, confidence, and self-respect.
Whether in Brussels or online, Dan’s approach blends science, coaching, and functional breathing to help people transform the way they breathe, think, and live — one intentional breath at a time.
Dan Missin — ICF Coach & Oxygen Advantage Instructor (Brussels, Belgium — in-person & online).