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Doing What's Best For Kids and Teens

To empower young people to lead healthy, active, and fulfilling lives by providing evidence-based training programs that promote physical literacy, athletic performance, and mental well-being.

We imagine a better future for our kids. We know you do too. Together we want what is best for kids and teens. We want them to have the freedom and fearlessness to engage wholeheartedly with the world throughout their entire lives.

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Today’s youth are caught between increasingly sedentary lifestyles and earlier and intensive single-sport specialization. This has reduced physical activity—decreasing free play, undermining motor skills development, heightening injury risk, and exacerbating childhood obesity.

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As the world leader in youth fitness, The Brand X Method® confronts this public health threat head on with a strength-and-conditioning program specifically designed for kids and adaptable to any environment, from austere, low-gear settings such as elementary PE classes to well-equipped training facilities such as D1 prep schools and commercial gyms.

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Since 2004, we have been driven by a relentless pursuit of best practices in youth training. Our focus on motor pattern training and physical literacy enhancement optimizes kids’ fitness and elevates their athleticism. We help protect kids and teens against sports injury, boost their sports performance, and push back against the forces behind obesity.

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The mastery, confidence, and motivation that kids develop in our gyms are the ingredients of freedom and fearlessness. The Brand X Method® instills the essence of adventure, passion, and joy in kids and teens when playing their favorite sports, trying new things, and tackling life’s challenges so they can step out of our gyms knowing they can do whatever they set out to do.

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We imagine better, and The Brand X Method® is the way forward.

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Jeff Martin

Global Leader in Youth Strength & Conditioning

For more than four decades, Jeff Martin has been at the forefront of coaching, youth development, and physical education reform. As the Co-founder and CEO of The Brand X Method®, he has dedicated his career to empowering the next generation through movement, mindset, and mastery. Jeff is widely recognized as a pioneer in youth functional fitness—most notably for co-developing the CrossFit Kids program and curriculum that sparked a global shift in how we train young athletes.

Jeff’s expertise spans far beyond programming. A 5th-degree black belt in Kenpo karate and certified Krav Maga instructor, his personal journey includes collegiate-level water polo, setting powerlifting records, and coaching at the highest levels of sport and education. Whether guiding international seminar teams, sitting on advisory boards, or building new tools for coaches and parents, Jeff's mission is unwavering: build powerful humans from the ground up.

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Credentials and Experience

  • Co-Founder & CEO, The Brand X Method®

  • Over 40 years of coaching experience

  • Brand X® Director of Youth Training

  • Brand X® Certification Staff Lead Trainer

  • ACN Advisory Board Member (2021)

  • TeenLIFT Founding Board Member (2017)

  • StandUpKids Advisory Board Member (2016)

  • Co-developer, CrossFit Kids program (2004–2014)

  • Co-developer, CrossFit Kids Course (2008–2014)

  • Director of Youth Training, CrossFit HQ (2011–2014)

  • HQ Training Staff Member (2011–2014)

  • HQ Coach and Trainer, Levels 1–4 (2004–2014)

  • Southern California Regional Head Judge, CrossFit Games (2009–2011)

  • USAW Club Coach

  • USAW Sports Conditioning Coach

  • 5th-degree black belt in Kenpo karate, awarded title of sifu

  • KMNTC-certified Krav Maga Instructor

  • USA Powerlifting California state record holder

  • Collegiate water polo player

  • Bachelor’s in Psychology, San Diego State University

Mikki Martin

Crafting the Future of Youth Fitness

With a legacy built on innovation, expertise, and an unwavering commitment to kids, I’ve spent over two decades transforming how the world views youth fitness. From co-developing CrossFit Kids and pioneering youth functional strength programs to mentoring coaches across the globe, my work lives at the intersection of science, play, and purposeful movement training. Whether it’s speaking on international stages, developing age appropriate curriculum, or coaching side-by-side with young athletes, every step has been driven by a single mission—build powerful humans from the ground up, by “Doing What is Best for Kids™”

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Credentials and Experience

  • Co-Founder & CVO, The Brand X Method®

  • Brand X® Director of Youth Programs

  • Over 25 years of coaching experience

  • Speaker, Aspen Institute Project Play (2013)

  • TeenLIFT Founding Board Member (2017)

  • StandUpKids Advisory Board Member (2016)

  • ACN Advisory Board (2021)

  • Co-developer, CrossFit Kids program (2004–2014)

  • Co-developer, CrossFit Kids Course (2008–2014)

  • Director of Youth Programs, CrossFit HQ (2011–2014)

  • HQ Training Staff, Levels 1–3 (2004–2014)

  • Games Southern California Regional Judge (2009–2011)

  • Youth Fitness Competition and Event Manager for CFK and Brand X® at– Arnold Sports Festival, LA Expo, CrossFit Games, SHAPE

  •  USA Powerlifting CA State Record Holder

  • Black Belt Kenpo Karate

  • Published articles in “Chopra” and “The Genuis of Play”

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Connor Martin

Shaping Leaders, Building Communities,
and Pushing Limits

With a career spanning elite athletics, business development, and global coach education, I’ve dedicated my life to elevating people, programs and athletic environments. From mentoring CrossFit Games podium finishers to leading regional sales in performance-focused industries, I’ve worn many hats—but all with the same purpose: empower individuals and build thriving communities. Whether on the seminar floor delivering hundreds of courses or climbing toward world records, I bring intensity, strategy, and heart to everything I do.

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Credentials and Experience 

  • Brand X® Director of Business and Community Development

  • Owner & CEO, Athlete Coach Network

  • Senior Account Manager- Precor, Texas

  • Former Regional Sales Director, Aktiv Solutions (Texas & Louisiana)

  • Former Seminar Staff Member, CrossFit Level 1, 2, and Kids (Delivered hundreds of live courses)

  • Former Gym Manager & Head of Staff Development, CrossFit EaDo, P3 CrossFit, CrossFit Central Houston

  • Former Regional & CrossFit Games Athlete

  • Coach to 30+ CrossFit Games athletes, including multiple podium finishers

  • Official attempt at Guinness Book of World Records, most pull-ups in a 24-hour period (completed over 5,000)

  • Kenpo Karate Black Belt

  • Co- Author “Eat, Sleep, Move, Breathe” A beginners guide to living a healthy lifestyle 2020

Keegan Martin

Keegan Martin brings a rare blend of grit, precision, and leadership to youth development. As a firefighter/paramedic and elite-level strength athlete, he understands what it means to prepare for the real world—and he brings that same focus to his role as Brand X® Director of Education and Product Development. Having delivered over 250 live seminars globally, Keegan is a cornerstone of youth fitness education, helping coaches everywhere teach with purpose and clarity. Whether setting national squat records or shaping next-generation curriculum, he leads from the front—with strength, service, and a passion for doing things right.

 

Credentials and Experience

  • Firefighter/Paramedic

  • Brand X® Director of Education and Product Development

  • Brand X® Seminar Staff Lead Instructor

  • Former Seminar Staff Member, CrossFit Kids (Delivered 250+ live courses)

  • USA Powerlifting California state record holder

  • Former National record holder in the back squat

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