BEHIND THE GLOVES.

THE STORY BEHIND BTB

Discover the experience and philosophy behind Boss The Box.

SZYMON MoCarski

FOUNDER & HEAD COACH

Szymon Mocarski is the founder of Boss The Box and a dedicated goalkeeper coach focused on developing confident, competitive players.

A former goalkeeper at Lake Forest College, he earned First Team All-MWC honors and was named the 2022 Midwest Conference Defensive Player of the Year. He now coaches athletes competing in MLS NEXT, ECNL, and NCAA programs and has experience working with MLS goalkeepers.

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COACHING EXPERIENCE

Current: My Keeper Academy · Chicago Magic ECNL

Previous: iProSkills Academy · FC Lakeshore · FC Stars · LFSA · EGSC

LICENSES & CREDENTIALS

United Soccer Coaches Goalkeeping Level 1 Diploma

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EXPERIENCE & BACKGROUND

2022

PLAYING CAREER

Midwest Conference Defensive Player of the Year at Lake Forest College.

MLS NEXT / ECNL

COACHING EXPERIENCE

Experience developing goalkeepers across elite youth and collegiate levels.

LICENSED COACH

PLAYER DEVELOPMENT

United Soccer Coaches Goalkeeping Level 1 Diploma.

THE PEOPLE BEHIND THE GLOVES

MEET OUR COACHING STAFF

Experienced coaches. High standards. A shared commitment to helping every goalkeeper reach their potential.

Professional

MIHA MISKOVIC

NCAA DIII

DENNIS TURDEAN

BOSS THE BOX methodology

✓Confidence
✓Commmitment
✓Development

THE PARENTS' PERSPECTIVE

TRUSTED BY PARENTS.

Boss the Box is the go-to training program for goal-keepers of ALL ages! Szymon and his assistant coaches not only tailor high-intensity, skill-focused training sessions, but they know how to relate to the kids amazingly. Each kid gets individualized improvement tips during each session. And, I love Boss the Box’s emphasis on training all aspects of goal-keeping—physical skills, field awareness, communication, and teamwork. My kid won’t go to another goal-keeping training program!

SANDEEP K NARANG Parent Testimonial

Thank you to Coach Szymon and Coach Miha for challenging my son and improving his keeper techniques. They always praise him for his hard work while they correct him on what he needs to improve and what he needs to work on. I appreciate the end of training conversations on how he did after the sessions. You can see that both coaches are passionate about helping each keeper on getting better and they are very knowledgeable from their impressive resume. Knowing their journey and stories motivates my son to become an elite keeper. We're grateful for both coaches for training my son. Keep up the awesome job guys!

Go Vibhatasilpin Parent Testimonial

One of the things that stands out most about Boss the Box is the incredible environment they've created for young goalkeepers. From the very first session, you can tell that Szymon and his coaching staff genuinely care about every player's development and success. The training is challenging, but there's always a positive atmosphere that encourages the players to push themselves and grow. What I've appreciated most as a parent is seeing the confidence my child has gained, not just in goal but as a person. The coaches know how to motivate their players, build strong relationships, and make each session something the players genuinely look forward to. I couldn't be happier with the experience we've had at Boss the Box.

BRAD EARNEST Parent Testimonial

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