Following 1
Las Vegas , Nevada
Active 3m ago
Bio: Markus Reinhardt — Founder of HEAVY DUTY NATION, Mentzer protégé, teaching true High-Intensity Training worldwide.
@john-sierzega-3553
Retired Law Enforcement Sgt. Married, two adult sons. Huge advocate of High Intensity Training
Active 34d ago
Joined Dec 11, 2025
New York State
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