Testimonials & Results

Discover real transformations from professionals who’ve reclaimed energy, health, and confidence — not through crash diets, but with Marlies’ personalized coaching approach that truly works.

Marlies Hazelaar

Who We Work With — And Why It Works

We Help Driven Professionals Break Free from Health Frustration

Our coaching is built for leaders who are “on” all day — but still feel off-track with their body and health.

High-Achievers

For executives, founders, and professionals who demand more from life — and want energy that matches their ambition.

Burned Out & Stuck

Tried every diet, app, or plan — but still slipping back into old patterns? You’re not alone, and it’s not your fault.

Life-Integrated Coaching

Custom strategies that fit your schedule, travel, family, and work — not the other way around.

Clarity & Ownership

We go deeper to uncover what’s really holding you back — and help you move forward with confidence.

Real Clients, Real Change

Client Spotlights: From Overwhelmed to Empowered

See how coaching with Marlies created life-changing results for professionals across Europe — in their own words.

Real Results, Real Lives Changed

Trusted by Professionals Across Industries

With over a decade of experience, Marlies has helped hundreds of busy professionals transform their health and their lives.

550+ Clients Coached

Guiding professionals through meaningful transformation across the globe.

9.4/10 Satisfaction Rating

High-impact coaching that exceeds expectations.

20+ Countries Served

Support in English, Dutch, and German—global reach, personal touch.

Thousands of Kilos Lost

Sustainable weight loss, no crash diets or gimmicks.

3-6-12 Month Programs

Designed to fit your life, not interrupt it.

15+ Years of Experience

Decade of proven coaching success rooted in science and empathy.

Client Success Stories

Real People. Real Transformations.

Before/after stories, testimonials, short video clips, and quotes—highlighting the personal and professional wins clients have achieved with Marlies’ support.

Working with Marlies changed how I show up for myself and my team. She gets straight to the heart of the issue.

Anika
Chapter and Team Lead MedTech

I’ve tried every program. This is the only one that stuck. My brain fog is gone, the quality of my sleep has imporved and I am overflowing with energy.

Daan
Lawyer

Group coaching gave me more than strategies — it gave me a new circle of support.

Julia
Global HR Leader

I’ve never felt this in control of my health and so supported at the same time.

Martin
Finance Director

What’s Your Story? Let’s Talk

You’ve read mine. Now I want to hear yours. Whether you’re looking for sustainable weight loss, a boost in energy, or a total life reset—I’m here to guide you every step of the way.

What’s Your Story? Let’s Talk