
our mission: END THE GUESSWORK.
We didn’t just start a company; we started a movement. Born from the energy of the Munich fitness community and backed by rigorous sports science, Base Builder is our answer to a world of "quick fixes" and overtraining. We believe that to go fast, you first need to be unbreakable.
Base Builder exists to replace random intensity with a proven system. Too many athletes train hard without the right structure, paying for it with injuries, plateaus, and burnout. We believe progress must be built, not forced.
That’s why our training ecosystem is structured, personalized, and data-driven. You start with a product-finder assessment, get matched to the right tier, and—in our Builder tiers—receive AI-supported movement screening for targeted injury prevention. Every six weeks, your training cycle evolves, ensuring you never stagnate.
This isn't about doing more. It’s about doing it right.
Our system wasn’t built in theory. It was built through years of coaching, testing, and refining on the gym floor.
meet your COACHES

Fabienne
“I believe your training should be as bold as your ambitions.”
For Fabienne, coaching is an act of empowerment. After years of leading high-performance communities and professional athletes, she knows how to guide you with a professional eye and the deep experience required to reach more than just performance—she builds longevity.
Currently completing her Master’s at the German Sport University Cologne, Fabienne brings an elite understanding of Strength and Conditioning, Rehab-to-Performance, and the analysis of movement patterns in athletic sports. But for her, the science is simply the foundation. She uses her expertise to see the person behind the athlete, ensuring your plan isn't just intense, but a sustainable roadmap for your life’s biggest dreams. She isn’t just your coach; she is the partner who ensures you stay unbreakable.

Christa
"My focus is on the person, not just the pattern"
Christa is a coach who has dedicated her career to understanding the language of human movement. With a Sports Science degree from the University of Stuttgart and a specialized focus on Rehab-to-Performance and Screening, she possesses a rare ability to see exactly what an athlete needs to stay in the game.
For Christa, your goals are her goals. She doesn’t just look at a screen; she looks at you. She uses her expertise to spot the details that others miss, turning her technical knowledge into a "safety net" that protects your progress. Whether you are recovering or chasing a new personal best, Christa is "all in" on your journey, ensuring you have the physical foundation and the unwavering support to conquer your biggest challenges with total confidence.