Bio: Marko is Master degree Professor of Physical Education and Graduated Organizer of Sports Recreation. Licensed personal trainer with international experience, with over 15 years. Instructor, Lifeguard and Coordinator in Life Saving Federation. Former Ski competitor and actual Ski instructor. Conditioning coach for professional athletes and Diagnostics Research at Body Insight. Actual Fitness and Health Writer, Health Advisor, Online Coach and Fitness Specialist. Health and Fitness Consultant and Publisher. Certified Trainer for Kinesitherapy, Sports Diagnostics, Back Pain Prevention, Discovering Physical Faults, Muscle Imbalances, Early Diagnosis of Injuries, Assessment of Physical Skills and Tests, Functional Training and Cross Fit.