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MEET THE TRAINERS
Discover ProLean Training's all-certified elite team of trainers, focused on delivering custom fitness experiences for each client. With a focus on personalized coaching and exceptional results, our trainers provide exclusive sessions tailored to your goals. Elevate your fitness journey in our prestigious studio, where luxury meets expertise.
THE FIT COUPLE
WHO HAD A VISION
Welcome to our fitness community! We are Alex and Siera, a passionate couple who embarked on an incredible journey together when we opened our personal training studio in 2018. With over 17 years of experience, Alex is a nationally accredited, published fitness author, television fitness host, and a trainer to several celebrities and professional athletes. His work has appeared in major publications like Men's Health, Nike Training and Muscle & Fitness, showcasing his commitment to excellence in the fitness world. Siera, with over 10 years in the industry, is also a talented professional, published in several cooking magazines and featured in various national magazines focusing on women's fitness. Together, we have dedicated ourselves to helping individuals transform their lives by achieving their fitness goals. Our adventure as a fit couple has not only strengthened our bond but has also inspired those around us to push their limits and pursue their dreams. Join us as we create a welcoming environment where each client feels empowered and supported on their unique path to success!
Owner & Certified Personal Trainer
SIERA CAPESIUS
CERTIFICATIONS
Bachelor Degree of Science : Human Nutrition and Dietetics, Nutritionist
NASM Certified Personal Trainer,
NASM Certified Weight Loss Specialist.
Kickboxing Instructor Certification.
Nursing Assistant Licensure
ISSA Personal Trainer
CPR-Adult & Infant/AED (American Heart Association)
ABOUT
Siera is a certified personal trainer, nutritionist with a Bachelor's in Human Nutrition & Dietetics, award winning fitness studio owner, weight loss specialist, and Denver A-List top personal trainer. Her tactic on creating lifestyle changing programs versus fad diets, is what has transformed thousands of Prolean client bodies. Siera specializes in fat loss, muscle gain, pregnancy training, and bridal transformations.
Owner & Certified Personal Trainer
ALEX CARNEIRO
CERTIFICATIONS
Bachelor of Science Degree Kinesiology
Minor in Nutrition
ACSM Certified Personal Trainer
CSCS Certified Personal Trainer
NSCA Certified Personal Trainer
American Red Cross-Adult CPR
SNS Certified (International Sports Nutrition School Education)
ABOUT
Recognized as one of the leading fitness trainers in the industry, Alexandre has been helping people worldwide get in best shape and health of their lives. From corporations like Amazon, Nike and Muscle & Fitness to name a few, pro athletes, celebrities and everyday people, his expertise have been known to change people's lives. With a B.S. in Kinesiology and nutrition, Alexandre has spent the last decade educating others on the meaning of fitness, health and connecting those to a healthy mind.
Certified Personal Trainer
CASEY L.
CERTIFICATIONS
NFPT Certified Personal Trainer
Masters of Science - Exercise Science
CAAHEP & SACSCOC Accredited
USAG Coaching Certification
Red Cross CPR/AED
ABOUT
Casey Lesieur is an accomplished gymnast, coach, and fitness professional with a deep passion for dogs, gymnastics, coaching, and inspiring others. In June 2024, she represented Team USA in the Masters World Cup for Adult Gymnastics, just a year after recovering from an Achilles tendon rupture, and won the Xcel Nationals as a Sapphire. Casey has coached gymnastics since 2008, working with NCAA Division III athletes and various cheerleading teams. She holds certifications in personal training and group fitness and has been shaping lives through fitness since 2015. Additionally, Casey is a former Boston Celtics & Denver Nuggets Cheerleader and earned numerous accolades throughout her gymnastics career. She holds a Master’s degree in Exercise Science and Fitness Promotion and a Bachelor’s in Environmental & Interior Design. Fun fact she does stunt work as the Yellow Power Ranger for Comic-Cons and children hospitals.
Certified Personal Trainer
LUIS I.
CERTIFICATIONS
NCSF Certified Personal Trainer NCSF cPT
Group Fitness Instructor
TRX Certified
Kettlebell Certified
American Heart Association CPR AED & First Aid
ABOUT
Luis’s passion for performance and fitness began at an early age with competitive swimming, where he learned the value of perseverance and the drive to improve every day. With over 10 years of experience as a personal trainer, he specializes in muscle gain and complete body transformations. Luis is dedicated to sharing his expertise to help clients achieve their fitness goals, regardless of where they’re starting from. Every time a new client walks through the door, Luis sees it as an opportunity to guide them through a transformative journey toward their full potential.
Certified Personal Trainer
VIKTORIA K.
CERTIFICATIONS
NASM Certified Personal Trainer
NASM Group Instructor Certified.
NASM Nutrition Certified.
CPR & AED
ABOUT
Viktoria's passion in life is motivating people to become the best versions of themselves. Growing up, she struggled with weight, self image, and unhealthy eating habits. Thankfully she dove into the journey of fitness and health and made it her lifestyle. Now its her mission to help others do the same, so they could feel amazing about themselves as well. Her favorite ways to stay active are weight lifting, functional training, pilates, and exploring the Colorado mountains. She also loves music and viewing dancing as an amazing form of exercise.
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