Hey, I’m Marvin. I’m a Radical Honesty Trainer, author, and coach. I facilitate Radical Honesty workshops and retreats around the world and work with individuals and teams to create more truthful, connected, and alive relationships. Since 2016, I have led hundreds of workshops and worked with companies ranging from startups to global corporations.

I found Radical Honesty the hard way: after years of pretending, performing, and suppressing my real emotions. My life looked great on the outside—successful jobs, always smiling, always agreeable. But inside, I was struggling with depression, obsessive thoughts, and chronic back pain. I felt trapped in a corporate career that drained me, and I carried around wounds that needed attention. Learning to tell the truth—not just politely, but fully—changed everything. It gave me back my energy, my clarity, and my ability to connect with others in a way I never had before.

Alongside Radical Honesty, my work is deeply informed by my training in body-based psychotherapy (Bioenergetics), Systemic Coaching, Internal Family Systems (IFS), and the Wheel of Consent. I integrate these approaches into my workshops to help people not only speak their truth but also fully embody it—feeling more present, alive, and connected in their bodies.

I’m also the author of 30-Minuten Radikale Ehrlichkeit (Gabal Verlag), a practical introduction to Radical Honesty for those who want to cut through the noise and experience the power of speaking the truth in everyday life.

For me, Radical Honesty workshops are more than just spaces to practice honesty—they’re spaces of love, raw human connection, and deep aliveness. My goal is to create transformative group experiences where people drop their masks, stop holding back, and create the relationships they truly want.

Beyond my work, I love playing the guitar, hiking, dancing, singing, and reading about mythology, trauma, and shamanism. Oh, and coffee. Definitely coffee.

If you’re curious about my journey or my work, subscribe to my newsletter or join a workshop—I’d love to connect.

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