Coach Mark
Transform Your Fitness with Expert Guidance
Mark O'Connor brings 40+ years of experience and proven results to help you achieve your fitness goals—whether that's getting stronger, improving flexibility, enhancing athletic performance, or changing your body composition. Having overcome his own struggles with being "too small, weak and fat," Mark understands the confidence challenges that come with fitness journeys.
World-Class Training Background
Trained by legends including Mike Mentzer, Dave Fisher, Eric Broser, and Charles Glass, Mark has coached at the highest levels—from the USA Olympic Wrestling Team to high school athletes. His BOLT Wrestling and MMA system is trusted by 31 #1-ranked UFC fighters worldwide.
Comprehensive Approach
Mark assesses clients across all fitness dimensions: general health, strength, flexibility, and balance. He creates varied, engaging programs while building lifelong healthy habits through consistent motivation and support.
Credentials
· Bronze Medal Bodybuilding GAy Games
· USA Wrestling Silver Certified Coach
· USA Olympic Wrestling Team Development Coach
· NASM Personal Training & Bodybuilding Specialist
· J3 University Bodybuilding & Posing Coach
Complete Wellness Philosophy
True fitness goes beyond lifting weights—it encompasses proper movement, nutrition, rest, and sleep. Mark's mission is to help you discover your body's potential through consistency and balanced living that enhances both immediate well-being and long-term health.
Ready to unlock your potential? Let Mark guide you toward the strong, confident, healthy version of yourself.


The XFRAME Training Difference
Personalized Programs That Actually Work
At XFRAME Training, we don't believe in one-size-fits-all solutions. Every client receives a comprehensive assessment that evaluates their unique physical condition, wellness needs, training history, and lifestyle factors. From this foundation, we create a completely customized program designed specifically for your goals, abilities, and circumstances.
Built for Long-Term Success
Our approach is grounded in science: research shows it takes approximately two months for new habits to become permanent. That's why we focus on sustainable, two-month program cycles that allow your body and mind to fully adapt. At the end of each cycle, we reassess and refine your program to ensure continuous progress.
Master-Level Training Techniques
Perfect Form, Maximum Results We elevate weight training to an art form. Our clients experience exercise execution at a level most have never encountered—every movement is performed with perfect form to maximize effectiveness while prioritizing safety. By focusing on full extension, complete contraction, static holds, supersets, and rest-pause methods, we achieve muscle failure through technique rather than excessive weight.
Smart Nutrition Coaching Your nutrition plan meets you where you are. New clients receive practical, manageable guidance they can realistically follow, while experienced athletes get advanced refinements. We create sustainable eating strategies that fit your lifestyle—because a plan you can't follow is worthless.
Strategic Supplementation Optimal results require optimal nutrition, and food alone rarely provides everything your body needs for muscle growth and fat loss. We establish a personalized supplement baseline for each client and provide access to premium vitamins through our dotFIT Certified program at discounted rates.
Unmatched Support & Accountability
Beyond the Hour What truly sets XFRAME Training apart is our commitment to your success outside the gym. Every client receives a minimum of 15 minutes per week of dedicated consultation time—your opportunity to ask questions, seek guidance, and review progress. Our trainers are available for additional support as needed, ensuring you never feel alone in your journey.
Complete Lifestyle Integration We help coordinate your entire fitness schedule, from additional cardio sessions to recreational sports activities. Your trainer becomes your wellness partner, working with you to create a comprehensive active lifestyle.
Proven Results Through Proven Methods
We succeed where other programs fail because we address the complete picture: motivation, education, monitoring, and celebration of every milestone. We ensure every client masters the fundamentals before progressing, creating a solid foundation for lifelong success.
Your transformation starts with mastering the basics. Your success continues with our unwavering support.
Our Location
Located in a convenient area, Xframe Training offers personalized training services tailored to your health and wellness goals.
Address
3351 Hill Street, Signal Hill, CA 90755
Hours
Mon-Fri 7 AM-2 PM; Additional appointment times available based on client needs
Get In Touch
Contact us for personalized training, nutrition advice, and wellness support tailored to your goals.