From Ecuador to Berlin: How Gabriel "Tortuga" Marcel Built BIWA Jiu-Jitsu

What does it take to open a martial arts gym in a foreign country, with no local network, no investors, and a nickname that literally means "turtle"?

Gabriel Marcel known on the mats as "Tortuga" did exactly that. Today he runs BIWA Jiu-Jitsu Berlin, and from the very beginning, Kombat Evolve has been with him.

This is his story.

The Departure: Leaving Ecuador as a Blue Belt

In 2013, Gabriel packed his life and left Ecuador. He was a blue belt. He had no gym waiting for him, no coach on the other end, no safety net.

Just discipline, and a deeply held belief that consistency beats intensity every single day.

"No one cares if you are not feeling 100%," he told us. "It's up to you to show up everyday and work without any excuses. Consistency beats intensity; everyday a little bit better than yesterday."

That sentence didn't come from a motivational poster. It came from lived experience from training in unfamiliar gyms, adapting to new cultures, earning stripes on foreign mats. It became the bedrock of everything he would eventually build.

The Name That Says It All: BIWA

Before Gabriel opened his gym, he needed a name that captured his philosophy. Something bold. Something true.

He landed on BIWA : Because I'm a Wild Animal.

At first it sounds like a battle cry. And in some ways, it is. But Gabriel's interpretation goes much deeper than aggression.

"We are an animal, a primate," he explains. "We have to treat our body accordingly. I work with my students on their breathing, nutrition, movement and even sleeping habits to help them reconnect their minds with their bodies in a more natural way."

His view is that modern life has cut us off from what we are. Processed food, sedentary habits, disconnection from physical effort these aren't just unhealthy. They're unnatural. BIWA as a philosophy is a call to come back to what human beings were always built to be.

"Animals in the wild take care of themselves," he says. "Why shouldn't we?"

That message resonates far beyond the mats. It's why BIWA is as much a lifestyle community as it is a martial arts school.

The Paradox of "Tortuga"

There's an obvious contradiction here, and Gabriel leans into it fully.

His gym is called "Wild Animal." His nickname is "Turtle."

In BJJ, mat nicknames are earned through the way you move, the way you fight, the way you carry yourself when things get hard. "Tortuga" in Spanish for turtle tells you something essential about Gabriel's grappling identity.

Patience. Resilience. Strategic depth. The ability to survive pressure and wait for exactly the right moment.

The turtle and the wild animal aren't opposites. They're two sides of the same philosophy: know when to be explosive, and know when to wait. That combination controlled ferocity is what Gabriel brings to every class he teaches.

Berlin: Building a Community from Zero

Gabriel chose Berlin. And Berlin's BJJ scene, while vibrant and growing, is intensely competitive. Established academies, high expectations, a discerning training population.

His answer was not to compete on size or reputation. It was to go hyper-personal.

"Berlin's BJJ scene is growing very quickly and it's hard to stand out," he acknowledges. "But BIWA has something special. I focus on a personalized touch making everyone who steps on the mats feel welcome and important."

He credits part of this to his South American roots: warmth, openness, a genuine interest in the human being in front of him rather than just the athlete.

"I suppose that because I'm from South America I have a very friendly personality that allows me to connect with my students in and out of the dojo with ease."

At BIWA, every new student is treated as family from day one. The culture is not built around rankings or egos. It's built around the conviction that everyone the white belt who's never thrown a punch, the competitor preparing for IBJJF, the woman looking for a safe space to train deserves to be on those mats.

What BIWA Offers

BIWA Jiu-Jitsu Berlin is located at Coppistraße 17, 10365 Berlin.

Classes run Monday through Saturday and include BJJ (Gi and No-Gi) for adults, a dedicated Kids BJJ program, and Women's / FLINTA* sessions every Friday at 7 PM.

Pricing is community-first: €80/month for adults, €60/month for kids and students, €15 drop-in.

Gabriel holds a BJJ Black Belt under Checkmat one of the most respected affiliations in global jiu-jitsu. But BIWA runs under its own independent identity. The "Wild Animal" philosophy comes first.

The Kombat Evolve Partnership: Supported from Day One

Building a BJJ gym is hard enough. Managing it tracking students, following up on retention, understanding who's at risk of quitting, staying on top of billing adds an entirely different layer of complexity.

That's where Kombat Evolve comes in.

Research shows that 60–90% of BJJ students quit before reaching blue belt. For a new gym owner like Gabriel, every lost student isn't just a number it's revenue gone, a community connection severed, and momentum slowed.

Kombat Evolve was designed by practitioners, for practitioners. Our founder is a BJJ black belt who built this software because he experienced the dropout problem firsthand. That practitioner-first perspective is exactly why BIWA Jiu-Jitsu chose to partner with us from the very start of their journey.

"Building a community that supports each other in a positive manner, connecting with people from all around the world through the art of jiu-jitsu, I believe it's what excites me the most about this whole project," Gabriel told us.

That excitement deserves infrastructure that matches it. Kombat Evolve gives Gabriel the tools to track engagement, catch students before they drift away, and build the kind of retention that turns a new gym into a lasting community.

Because a community like BIWA is too good to lose.

What Gabriel's Journey Teaches Every Gym Owner

Gabriel's story is not unique in that coaches dream of opening their own gym. It is unique in how he did it: with no shortcuts, no safety nets, and a philosophy he'd been living long before he had four walls and a mat to call his own.

A few things stand out.

Philosophy first, features second. BIWA is not just a schedule of classes. It's a way of living. Gym owners who can articulate a clear "why" one that goes beyond "learn BJJ" build communities, not just memberships.

Personalization is your moat. In a competitive city like Berlin, Gabriel didn't try to out-resource larger gyms. He out-connected them. Personal attention and genuine warmth are impossible to replicate at scale.

Patience wins on the mat and off it. The "Tortuga" mindset applies to building a business too. Trust is built slowly, through consistent presence and authentic care.

The dropout problem is your biggest challenge. Most gyms lose students quietly not with a dramatic exit, but with a slow fade. Without a system to catch these signals early, you lose them before you even know they're gone. That's the problem Kombat Evolve solves.

Follow BIWA Jiu-Jitsu Berlin

• Instagram (Gym): @biwa.jiujitsu

• Instagram (Gabriel): @gabriel.biwajj

• Website: biwa.life

• Address: Coppistraße 17, 10365 Berlin

Are You Building a BJJ Gym?

BIWA is one of over +20 gyms across Europe that trust Kombat Evolve to help them retain students and build stronger communities.

If you're a coach or gym owner who's serious about reducing dropout and growing sustainably, we built this for you.

Visit kombatevolve.com to start your free trial.

Kombat Evolve is the gym management platform built by BJJ practitioners, for BJJ practitioners. Flat-rate pricing, no transaction fees, and a retention-first approach to gym software. Available across Europe.