Named a Top 50 Health & Fitness Expert by Mens Health, Dr. John Rusin, DPT, CSCS, CISSN, PPSC, brings nearly two decades of experience as an internationally recognized strength coach and physical therapist. Combining advanced exercise science with real-world coaching, Dr. Rusin developed a distinctive approach focused on pain-free performance training.
His methodology integrates physical therapy principles with strength and conditioning, establishing a comprehensive understanding of human movement that prioritizes strength, mobility, and longevity while actively minimizing pain and preventing injuries. This foundation was built through extensive early career work in physical therapy and exercise science. Throughout his distinguished career, Dr. Rusin has designed bespoke performance, regeneration, and body transformation programs for a diverse roster of elite athletes.
Rusin founded the Pain-Free Performance Specialist Certification (PPSC) in 2018. This innovative education program, designed for fitness professionals, has rapidly grown to certify over 20,000 trainers, physical therapists, physicians, and coaches. The PPSC is widely recognized as one of the largest and fastest-growing fitness education programs in the industry, underscoring its efficacy and demand. Through various platforms, including his prominent website and numerous collaborations, Dr.
Dr. Rusin remains dedicated to expanding the reach of his specialized training methodologies, ensuring both immediate results and lasting wellness for his global audience.