Mike O'Connell personal trainer

Mike O'Connell

Functional Training, Sport-Specific Training, CrossFit, High Intensity Interval Training (HIIT), Nutrition, Core Conditioning, Lean Muscle, Weight Loss, Fat Loss, Posture, Strength and Conditioning, Body Transformations


Born and raised in Boston, Massachusetts, USA, athletics and sports have always been a big part of my life. A competitive athlete in my formative years, playing baseball, American football, and basketball, as well as skiing and karate, a series of injuries resulted in very early onset problems with my shoulders and back in addition to postural issues requiring correction. This forced me to rethink everything I knew about fitness and what it meant to truly be "healthy". I started practicing Yoga and Pilates, going to spin and cross training classes, eventually leading me to interval training and the study of biomechanics. I had broadened my perspective and methods, and learned the importance of core training. Still active [mountains have always been a deep passion], I've focused primarily on adventure sports for the past 15 years, and train using techniques from bodybuilding, weightlifting, and athletic conditioning, making my programming mountain functional. I always make time for stretching and mobility, meditate and incorporate a mostly-organic flex dieting approach to my food consumption regime.


  • REPS Level 3 Personal Trainer
  • REPS Level 2 Fitness Instructor
  • Kettlebell Master Trainer Award
  • TRX Master Trainer Award

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