Our Founder

Sophie Müller, a certified fitness coach and wellness advocate, started trevalir to create a space where fitness meets balance. Her experience working with people in this age group ensures programs are safe, effective, and motivating.

Her background includes certifications in personal training, injury prevention, and holistic wellness. Sophie believes in a balanced approach—combining physical fitness, mental wellbeing, and community support—to help clients not just reach their goals, but sustain them long-term. Driven by her own journey of staying fit while managing a busy career and family life, Sophie understands the unique challenges faced by her clients. This empathy fuels her commitment to designing flexible programs that fit seamlessly into everyday routines, making fitness feel less like a chore and more like a rewarding lifestyle choice.