Mark Leiker is a San Francisco–based strength and performance coach specializing in biomechanics-driven training and long-term athletic development.

His coaching focuses on building strength, improving movement quality, and reducing pain through individualized programming designed around how the body actually moves. Rather than generic workouts, Mark emphasizes proper mechanics, intelligent progression, and sustainable training strategies that support performance and longevity.

Mark works with busy professionals and athletes balancing demanding careers, family life, and fitness goals. In-person training is available in San Francisco’s Marina District, with online coaching options for clients seeking structured, intelligent programming.

Strength & Performance Coaching for Busy Professionals and Athletes in San Francisco

Build strength, move better and train pain-free through biomechanics-informed coaching designed for long-term performance and longevity.