No. 02 · The instructors
The instructors.
The people at the front of the room, and how they run the academy.

Now on the mat
Brian Guevara
No. 02.a · Profile
Brian Guevara
Head Coach | Competition Coach | Founder
Brian Guevara began coaching children at 18 years old, years before Cochabamba existed. His early experience teaching gymnastics and ninja programs, and later coaching inside martial arts academies, shaped one of the beliefs that would eventually become central to Cochabamba:
Being a great athlete does not automatically make someone a great coach.
Brian believes coaching is its own craft.
A coach has to understand what a student actually knows, recognize effort, read body language, manage emotions, communicate differently with different personalities, and know when and how to push an athlete beyond what they currently believe they’re capable of.
That philosophy became even stronger when Brian entered martial arts and eventually began competing in high-level grappling himself.
Creating Thinkers, Not Followers
Brian strongly rejects the idea that kids should spend their training simply memorizing techniques and repeating predetermined movements.
Instead, his coaching is built around exploration, live resistance, problem-solving, and constraints-led training. Students are placed into situations where they have to recognize problems, make decisions, experiment, fail, adjust, and discover solutions that work for them.
Because that is how Brian believes people actually learn.
The goal isn’t to give an athlete every answer. It’s to develop an athlete capable of finding answers on their own.
That philosophy extends far beyond grappling.
Learning Not to Quit
Brian believes adversity is necessary for development.
Kids will eventually experience frustration. They’ll lose. They’ll get bored. They’ll have practices where nothing works. They’ll encounter people who are better than them, and there will be moments when walking away feels easier than continuing.
At Cochabamba, those moments aren’t treated as failures. They’re opportunities to coach.
Brian believes there are certain non-negotiables during childhood that help prepare kids for adulthood. Perseverance is one of them. When things become difficult, the answer cannot always be to immediately move on to something easier.
Training gives kids a controlled environment to experience adversity, manage their emotions, solve problems, continue working, and discover what can happen when they don’t quit.
The Goal Is to Be Surpassed
Brian continues to compete and test himself, but his personal accomplishments aren’t what he wants his coaching legacy to be measured by.
He wants his students to surpass them.
His vision is to develop a generation of Cochabamba athletes capable of reaching levels beyond his own: athletes who can compete and win on the biggest stages in grappling, including events such as ADCC and IBJJF World Championships, and who can help establish a new standard for what youth competitors are capable of becoming.
If a student chooses to pursue grappling seriously, Brian’s responsibility is to give them every opportunity he can to grow within the sport, whether that eventually means elite competition, pursuing collegiate opportunities, becoming a coach, or creating a path that doesn’t exist yet.
He wants Cochabamba to develop athletes whose ability and character become recognized beyond the academy.
But Brian doesn’t expect every child to make grappling their life.
For the students who eventually choose another path, the mission remains the same.
Take the methods with you.
Learn how to think independently. Stay composed under pressure. Adapt when something isn’t working. Understand your emotions without being controlled by them. Become comfortable being uncomfortable. Finish difficult things. And don’t expect someone else to solve every problem for you.
Apply those lessons to school, work, relationships, leadership, business, or whatever comes next.
Brian doesn’t want to create students who depend on their coach forever.
He wants to create people capable of going further than their coach ever did.
Because the ultimate measure of his success isn’t how many students become like Brian Guevara. It’s how many become better.
Qualifications
- 01Training martial arts since 2017
- 02Active competitor in high-level grappling tournaments
- 03Specialized in children's martial arts instruction
- 04Certified across multiple martial arts disciplines
No. 02.a · In action
Brian on the mat.

No. 02.b · The coaches
Our coaches.

Hakim Issah
Coach • Toddlers Coordinator • Gym Manager
Hakim Issah moved from Iowa City to Maryland in 2025 with a specific purpose: to fully commit himself to grappling and see how far he could take it.
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Coming from a traditional Jiu-Jitsu background, Hakim made the decision to completely change his training environment and pursue a different approach to developing his skills. He began training under the guidance of Greg Souders at Standard Jiu-Jitsu while making Cochabamba MMA his home base, where he trains extensively alongside Brian Guevara.
The transition challenged Hakim to rebuild the way he understood grappling. Through consistent training, competition, and countless rounds spent testing his skills against high-level training partners, he has rapidly developed from a relatively inexperienced grappler into a recognized and increasingly successful competitor within the local grappling scene. His goal is much bigger than local success, however. Hakim made the move to Maryland with the intention of becoming a true professional grappler and establishing himself within the sport.
That same commitment eventually brought him to coaching. Under Brian Guevara’s mentorship, Hakim learned how to translate his understanding of grappling into an environment designed specifically for young athletes. Today, he serves as a Coach, Cochabamba’s Toddlers Coordinator, and Gym Manager.
Hakim has developed a particular strength working with Cochabamba’s youngest students, including children ages 3–5. His patience, personality, and ability to connect with little ones allow him to introduce grappling in a way that keeps them engaged while beginning to develop the problem-solving, movement, confidence, and independence they’ll carry into the older programs.
Outside of Jiu-Jitsu, Hakim has always been drawn to learning new skills. Whether it’s chess, card games, weightlifting, or grappling, he enjoys understanding how things work, improving at them, and eventually sharing what he’s learned with others.
What began as a move halfway across the country to chase his own potential has turned into something larger. Hakim is now developing as a professional grappler while simultaneously helping build the environment and young athletes around him at Cochabamba.


Asher Castro
Head Coach
Asher has been training and competing in Jiu-Jitsu since 2019, developing a deep passion for both the competitive and coaching sides of grappling. His journey began in a more traditional training environment before eventually leading him to Standard Jiu-Jitsu, where he has trained under Greg Souders since 2024.
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That transition significantly shaped the way Asher understands and teaches the sport. Through his time at Standard, he has immersed himself in the Constraints-Led Approach, moving away from traditional instruction and toward a more dynamic, problem-solving approach to developing grapplers.
At Cochabamba MMA, Asher serves as a Head Coach and leads the development of our Beginner and Intermediate programs. He plays a major role in shaping the training environment and building the games and learning experiences our athletes encounter on the mats.
Asher has been coaching children since 2021 and genuinely loves working with young athletes. His approach goes beyond simply teaching them how to grapple. He wants students to develop confidence, discipline, adaptability, and the ability to solve problems independently while building a real love for the sport.
As an athlete himself, Asher maintains an active competition schedule and continues to push his own development. He has long-term ambitions within grappling and remains committed to testing himself against increasingly high-level competition while continuing to learn and evolve as both an athlete and coach.
That combination of competitor, student, and educator is what Asher brings to Cochabamba. He is constantly studying the sport, testing new ideas through his own training, and bringing what he learns back into the room to help develop the next generation of grapplers.


Matt Yost
Coach
Matt Yost is a Florida native who spent years training, coaching, and competing throughout the Florida grappling scene before making the move to Maryland to take the next step in his career.
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After establishing himself as an experienced competitor and coach in Florida, Matt wanted to put himself in an environment that would continue challenging his understanding of the sport. In 2026, he relocated to Maryland and committed to training under Greg Souders at Standard Jiu-Jitsu while joining Cochabamba MMA as a coach.
Matt brings years of competitive experience to the room, having competed across numerous high-level events, including multiple appearances at ADCC Trials, alongside championship performances across professional and regional competition. His experience has given him a particularly strong understanding of guarded entanglements and submissions, back takes, and controlling positions. These are areas he continues to develop through his own training.
But Matt’s experience isn’t limited to competing. He has been involved in coaching Jiu-Jitsu since 2018 and has worked with students across different ages, experience levels, and training environments. At Cochabamba, he brings that experience into our coaching team while continuing to learn and evolve within our approach to athlete development.
Matt is also becoming an important addition to Cochabamba’s youngest programs, working alongside our coaching staff with the Toddler Program and helping introduce children to grappling in a positive, engaging environment.
Off the mats, Matt is easygoing, funny, and the kind of person who’s always willing to lend a hand, although there’s a good chance he’ll jokingly ask what you’re paying him first.
His move from Florida to Maryland represents the next chapter of a much longer pursuit. Matt came here to surround himself with people who would challenge him, continue developing as a grappler, and contribute his own experience to the athletes growing at Cochabamba.


Justin Martinez
Coach
Justin Martinez’s journey at Cochabamba MMA began in 2024 as a student with a growing passion for grappling. Since then, he has developed into a dedicated competitor and coach, becoming one of the first athletes to progress through the Cochabamba program and eventually step onto the coaching staff.
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Training under Greg Souders and Brian Guevara, Justin has built his foundation through Jiu-Jitsu and wrestling and currently holds a blue belt under Brian Guevara. He has tested his skills at high-level grappling tournaments, earning podium finishes and notable wins against athletes representing some of the most recognized programs in the sport.
His development has carried over into wrestling as well. After trying out for varsity for the first time, Justin earned his place on the team and went on to compete at the national level, all while continuing to develop his grappling at Cochabamba.
Justin first stepped into coaching as an assistant, learning how to work with athletes and gaining experience on the other side of the room. As his knowledge, confidence, and ability to teach continued to grow, so did his responsibilities. Today, Justin serves as a coach at Cochabamba and has become a valuable part of the team responsible for developing the next generation of athletes.
Naturally quiet and observant, Justin doesn’t need to be the loudest person in the room. He has an enormous passion for grappling, pays close attention to the details of the sport, and brings that knowledge into the way he works with students.
Outside of coaching, Justin continues to train and compete with ambitions that extend far beyond the local competition scene. His long-term goal is to become an ADCC World Champion, and he approaches both his development as an athlete and his role as a coach with the same commitment to continual improvement.
For Justin, coaching brings his journey full circle: from one of Cochabamba’s early students, to competitor, to now helping develop the athletes coming up behind him.

No. 02.c · Teaching philosophy
Three pillars,no shortcuts.
01
Safety first
A room that feels safe is the precondition for hard work. Without that, nothing else gets built.
02
Individual progress
Every student starts from a different place. We pay attention to how far each kid has come, not just where they rank.
03
Life skills
Discipline and respect get practiced on the mat and used everywhere else. That's the real product.
Train with Brian
