Elite performance
OpFit Performance · Human Optimization Consultancy

Optimize Health.
Elevate Performance.
Extend Longevity.

OpFit Performance combines clinical insight, comprehensive assessment, objective data, and decades of elite performance coaching to create personalized strategies for improved health, recovery, resilience, and long-term performance.

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Special Operations Veteran

IFBB Professional Bodybuilder

Registered Nurse Clinical Oversight

Application-Only Advisory Practice

Founders

Built by operators. Guided by clinicians.

Guy Smith

Guy Smith

Special Operations Veteran · IFBB Pro · Elite Performance Coach

Two decades inside the highest-pressure environments on earth — and the elite coaching practice that followed. Guy translates discipline into measurable performance.

Jennifer Gestring-Smith, RN, BSN

Jennifer Gestring-Smith, RN, BSN

Clinical Health Strategist

Specializing in biomarker analysis and long-term health, Jennifer bridges clinical insight with practical, sustainable strategy for high performers.

Optimize health.
Elevate performance.
Extend longevity.

Confidential · Clinical Insight · Data-Driven