Marcus Filly is a former CrossFit Games athlete, strength coach, and the creator of Functional Bodybuilding (FBB) — a training philosophy that blends bodybuilding, functional fitness, mobility, and longevity-focused performance training. After years competing at the highest level of CrossFit, Marcus shifted his focus toward sustainable training methods that help people build muscle, move well, stay athletic, and avoid burnout. Through his coaching, content, and programs, he’s become one of the leading voices in hybrid performance and intelligent training design.