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Our Team

Meet our training and rehab specialists.


Dr. Craig Liebenson is the first health care provider in California to receive a Certification of Recognition from the National Committee for Quality Assurance (NCQA) on Achievement of Recognition for Delivery of Quality Back Pain Care. He is the founder of First Principles of Movement which 

is dedicated to promoting health span and preventing disability by addressing the worldwide inactivity crisis.

Dr. Liebenson has engaged in research as a Visiting Scholar at Pr. Stuart McGill’s Spine Biomechanics Laboratory at the University of Waterloo, Department of Biomechanics & Kinesiology.

Read more about Dr. Liebenson. 

Dr. Liebenson has worked with the following teams and organizations:
  • Seattle Seahawks (NFL)

  • EXOS

  • Arizona Diamonbacks (MLB)

  • Washington Wizards (NBA)

  • L.A. Clippers (NBA)

  • Boston Sports Medicine Group

  • Calilfornia Angels (MLB)

  • Minnesota Timberwolves (NBA)

  • Anglo-European College of Chiropractic

  • Murdoch University (Perth, Australia)

  • Equinox TierX

  • Modern Pilates – Asia-Pacific

  • Hospital for Special Surgery (New York City)

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Jean-Pierre (JP) Blazek is a Personal Trainer from Lugano, Switzerland. After obtaining his Personal Training qualification in 2009 with Premier Training International in London, United Kingdom, he immediately started working as a freelance coach, looking after a variety of clients aiming to achieve goals such as improved strength & conditioning, weight management, sports specific preparation as well as management of chronic back pain.


Over the years his main focus has been group training, where he’s managed to successfully build a strong community both face to face as well as online.

Read more about JP Blazek.

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Samantha (Sam) Butts is a Kinesiologist and Certified Kettlebell Coach, living on the West Coast in BC, Canada. On a personal level, Sam has navigated a life of persistent and limiting pain and injuries for years, in and out of competitive sport. Living in rehab purgatory became the norm. Through her initial years of working with people in similar circumstances, she soon recognized there was a major ‘client-centered care’ gap in musculoskeletal rehab and healthcare and sought out the resources to level up her care for her clients. 

Read more about Sam Butts.

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Rachel Dellefield

Rachel Dellefield is a Certified Kettlebell Coach and personal trainer in Los Angeles. After receiving her NASM CPT and teaching group fitness part-time for two years, she left her high-stress corporate job in February 2020 to begin her career working as a Personal Trainer full time and hasn’t looked back since. In May of 2022, Rachel completed a four-month kettlebell coach mentorship and in April of 2023, Rachel obtained her StrongFirst Level 1 Kettlebell Certification learning from worldwide industry leaders. She is also a Dynamic Sports Performance Certified Coach and 300-hour registered yoga teacher.

Read more about Rachel Dellefield.

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