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

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:
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
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:
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