Our Team

Meet the dedicated coaches behind SunFM who are committed to helping you move better, feel stronger, and live longer.

Jeffrey Sun

Jeffrey Sun

Founder & Head Coach

ACE Certified Personal Trainer | B.S. Human Biology

As a certified personal trainer with a degree in Human Biology, Jeffrey specializes in helping busy professionals build bodies that last. His approach is rooted in physiology and focused on health longevity - not crash diets or unsustainable programs. With his background as an EMT and athletic trainer, he understands the body at a deeper level.

Specialties:

Mobility & FlexibilityMovement Pattern CorrectionTransition from Therapy to TrainingHypertrophyAthletic PerformanceFunctional Strength

Education:

  • B.S. Human Biology - UC Santa Cruz
  • ACE Certified Personal Trainer
  • Division III Athletic Training Internship
  • CPR/AED Certified

Experience:

  • 12,000+ training sessions delivered
  • 7+ years of professional training
  • Former Youth Gymnastics and Soccer Coach
  • Former Emergency Medical Technician
Crystal Sun

Crystal Sun

Coach

B.S. Neurobiology, Physiology & Behavior — UC Davis

My journey into fitness began through competitive gymnastics, and my degree in Neurobiology, Physiology, and Behavior from UC Davis gives me a strong foundation in how the body and mind work together. I apply that science practically — building programs that support physical progress and overall well-being, not just short-term results.

Having trained in a Division I athletic performance program, I understand what it takes to build for performance, resilience, and long-term health. Whether you're just starting out, returning after time away, or pushing your performance further, my goal is to create an environment where you feel supported and challenged.

Specialties:

Functional StrengthMobility & FlexibilityAthletic PerformanceMind-Body ConnectionBeginner-Friendly TrainingStress Management & Well-Being

Education:

  • B.S. Neurobiology, Physiology & Behavior — UC Davis
  • Division I Athletic Performance Program
  • Competitive Gymnastics Background

Experience:

  • Clients of all ages and fitness levels
  • Strength & conditioning under Division I coaches
  • Background in competitive gymnastics

Ready to Start Your Journey?

Book a free consultation with our team and take the first step toward moving better, feeling stronger, and living longer.

Book Your Free Consultation