The Muscle Hacker is Mark McManus, a 29 year old Certified Fitness Instructor committed to helping others build the body of their dreams. Mark is a naturally skinny guy who overcame the hardgainer's curse through years of research and personal experience. Whether you want to build new slabs of muscle or drop your body fat percentage to reveal chiseled abs, Mark CAN make it happen for you. Read more about Mark on the 'About Page.'Get smart with the Thesis WordPress Theme from DIYthemes.