The Perfect match
We have a wide range of personal trainers each with their own areas of expertise to make sure you find the perfect partnership to achieve your goals

You and your trainer will create a plan that is personalized to your goals. Together you will achieve your fitness goals. Our passionate trainers will use the latest training techniques and state-of-the-art equipment during each session.

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Online Personal Training

Ajax Silver: Our most affordable option to suport your training journey. We create a custom training program to meet your needs. The program includes 1 personal training session to take you through the exercises and make any adjustments that might be needed.

You can view your program on our easy-to-follow app with video demonstrations of each exercise. Mark completion and check in with your trainer who will help keep you accountable

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1-1 Training
Personalized Approach for Optimal Results

When it comes to personal training, your journey takes center stage. We pride ourselves on crafting a program tailored specifically to your unique health and fitness aspirations, ensuring that every step aligns with your individual goals.

Unlock Your Potential

For those with specific targets in mind or past injuries to address, personal training provides an ideal avenue for progress. With a focus on advanced exercises, our expert coaches will guide you through a journey of growth, pushing boundaries and surpassing limitations. Emphasizing strength goals, we gradually introduce lower repetition ranges, paving the way for continuous improvement.

Unwavering Support and Motivation

No one achieves greatness alone. Our certified personal trainers work alongside you, acting as both mentors and allies, to hold you accountable for reaching your milestones and empowering you to set new ones. With their unwavering commitment, you’ll stay motivated, challenged, and consistently moving towards your desired outcomes.

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Elevate Your Training Experience with Ajax X

Unleash your true potential with our cutting-edge health and wellness coaching. Ajax X offers a comprehensive and holistic approach to high-performance training, ensuring that every aspect of your fitness journey is optimized for success. By addressing movement, nutrition, metabolic health, and cardio-respiratory fitness in unison, we pave the way for you to achieve an elite level of physical prowess.

Experience the Difference

At Ajax X, we understand that advanced training requires a personalized touch. That’s why we begin your journey by diving deep into your fitness aspirations. Through an extensive fitness questionnaire, precise body composition testing, meticulous movement and postural analysis, and thorough metabolic testing, we gather crucial insights to design a program tailored specifically to your unique needs.

Unleash Your Peak Performance

We believe in continuous growth and progress. Regular progress assessments are an integral part of our methodology. By consistently monitoring your development, we ensure that you are on track to reach your peak performance potential. Our dedicated team will be there every step of the way, guiding you toward your goals with unwavering support and expertise.

Unleash the Champion Within

With Ajax X, you’ll not only move and fuel your body optimally, but you’ll also experience the undeniable feeling of being a true champion. Unlock a level of fitness and well-being that transcends ordinary limits and discover a new realm of achievement. Join us on this transformative journey and embrace the extraordinary.

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Meet the team
David Mills

Meet David Mills: Shaping a Legacy of Optimal Fitness

David Mills, the visionary owner and founder of Ajax Fitness, is a true pioneer in the realm of physical transformation. With a decade-long tenure as a master-level trainer in Aspen, Colorado, David has solidified his expertise in corrective exercise, injury prevention, and strength training.

A Passion for Functional Excellence

David’s unwavering dedication lies in enhancing whole-body mobility, stability, and strength, ultimately amplifying body function and unlocking athletic potential. His holistic approach ensures that each client experiences a transformative journey, where limitations are shattered, and optimal performance becomes the new norm.

Unparalleled Expertise

Driven by a relentless pursuit of knowledge, David holds a range of certifications and specializations that reflect his commitment to excellence:

  • Certified Personal Trainer – NASM: Equipped with the highest industry standards, David possesses the knowledge and skills to design personalized training programs that deliver exceptional results.
  • Sport and Exercise Science Degree – Bachelor of Science with Honors: Grounded in the scientific principles of human movement and performance, David’s educational background empowers him to craft training methodologies rooted in evidence-based practices.
  • Certified Running Coach – NAASFP: Understanding the intricacies of running mechanics and performance enhancement, David expertly guides athletes towards their running goals, maximizing their potential with every stride.
  • Certified Orthopedic Exercise Specialist – ACE: Armed with specialized knowledge in orthopedic exercise, David is uniquely equipped to address and mitigate injury risks, allowing clients to engage in their fitness journeys with confidence and resilience.
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Rhey-Ann O’Brien

In my relentless pursuit of excellence, I have amassed an impressive array of certifications and qualifications that solidify my position as an outstanding fitness coach. As a passionate and certified personal trainer, I specialize in delivering exceptional full body and strength conditioning training, effective weight loss techniques, targeted glutes sculpting exercises, and invigorating metabolic training. These distinguished credentials not only showcase my unwavering dedication to keeping up with the latest industry practices but also underscore my versatility in addressing a wide range of fitness aspirations.

Guided by my expertise, unwavering support, and unparalleled knowledge, I am fully equipped to empower individuals like you to surpass their limits and accomplish extraordinary fitness transformations. Together, we will embark on a transformative journey that taps into your utmost potential, unlocking new levels of strength, endurance, and confidence. With my personalized approach and commitment to your success, you can trust that every session will be tailored to your unique needs, ensuring optimal results and an enjoyable fitness experience. Let’s embark on this empowering partnership and make your fitness goals a reality.

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Erin Young

Introducing Erin Young: Empowering Athletes and Transforming Lives

Meet Erin Young, an exceptional athletic trainer who has dedicated her career to the enhancement of sports performance and overall well-being. Currently lending her expertise to athletes and coaches at the esteemed Aspen Valley Ski and Snowboard Club, Erin’s impact is profound and far-reaching.

In 2013, Erin embarked on a transformative path as she made her way to the valley. Since then, she has been an instrumental force in the realms of fitness and sports medicine, leaving an indelible mark on the lives she touches. Her journey commenced at the prestigious Aspen Club, where her dedication and passion took flight.

Erin’s primary focus lies in working with clients on their journey to reclaim their strength after injury or strive for specific strength and conditioning goals. With her deep understanding of the human body and unwavering commitment, she empowers individuals to overcome obstacles and emerge as stronger, healthier versions of themselves.

Erin’s exceptional skill set is reinforced by a remarkable array of certifications. Holding the titles of ATC (Certified Athletic Trainer) and LT (Licensed Athletic Trainer), she brings a wealth of knowledge and proficiency to her practice. Moreover, her attainment of FMS Level 1 certification further solidifies her dedication to staying at the cutting edge of her field.

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Matt Hirsch

introducing Matt Hirsch: Igniting Transformations Through Fitness

Meet Matt Hirsch, a seasoned personal trainer with an unwavering passion for fitness that has burned within him since his teenage years. Hailing from the picturesque town of Aspen, CO, Matt’s journey towards becoming a beacon of health and well-being was shaped by his experiences as a competitive freestyle skier.

From Adversity to Empowerment

Matt’s path took a transformative turn as he encountered significant injuries during his athletic pursuits. Although veering away from competitive skiing, he discovered a new calling in life—dedicating his time and expertise to empowering others in optimizing their body and mind through the power of fitness.

Unleashing Potential through Functional Fitness

With a focus on functional fitness and strength training, Matt has honed his craft over six years as a personal trainer. His deep understanding of the human body, coupled with a genuine dedication to his clients’ well-being, sets him apart as a catalyst for remarkable transformations.

Credentials that Define Excellence

Matt’s commitment to professional growth and mastery is reflected in his impressive certifications. As an ACE-certified personal trainer, he upholds the highest standards of excellence in his practice. Furthermore, his TRX MBody certification showcases his expertise in utilizing innovative training methods to optimize results. To provide a comprehensive approach, Matt also holds nutritional certifications through NCI, ensuring that his clients receive holistic guidance to fuel their bodies for optimal performance.

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Trey Fabrocini

Meet Trey, your dedicated personal trainer! With a passion for fitness and an unwavering commitment to helping individuals achieve their health goals, Trey is the perfect partner on your journey to a fitter, stronger you.

As an NSCA CPT (National Strength and Conditioning Association Certified Personal Trainer), Trey possesses the knowledge and expertise necessary to design personalized workout programs tailored to your specific needs. Their extensive training and certification ensure that you receive the highest standard of guidance and support throughout your fitness journey.

Currently pursuing a bachelor’s degree in health and exercise science at Denison University, Trey is equipped with the latest evidence-based practices and cutting-edge research in the field of exercise and human performance. This academic background allows them to apply scientific principles and techniques to optimize your training routine, ensuring maximum effectiveness and results.

Trey’s athletic prowess is not limited to the academic realm alone. They have also achieved the impressive feat of being an NCAA All-American football running back, demonstrating their dedication, discipline, and exceptional physical abilities. With firsthand experience as a high-level athlete, Trey understands the importance of pushing boundaries, setting ambitious goals, and overcoming obstacles to reach your full potential.

Whether your aim is to improve strength, enhance cardiovascular fitness, lose weight, or simply adopt a healthier lifestyle, Trey is here to guide and motivate you every step of the way. With their comprehensive knowledge, individualized approach, and inspiring athletic background, you can trust Trey to help you unlock your inner athlete and achieve the remarkable results you desire.

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