Sun Functional Movement

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Sun Functional Movement In-person and online personal training based in Sunnyvale, California. Specializing in weight loss,

A little look inside SunFM —From the equipment to the little details, we’ve been intentional about creating a place wher...
09/25/2026

A little look inside SunFM —

From the equipment to the little details, we’ve been intentional about creating a place where you can come in, put in the work, and feel good doing it!

Meet the people behind SunFM ☀️Our coaches bring different backgrounds, experiences, and approaches to training, but we’...
09/21/2026

Meet the people behind SunFM ☀️

Our coaches bring different backgrounds, experiences, and approaches to training, but we’re all here for the same reason — to help you move better, get stronger, and feel better doing it.

JEFFREY SUN
Founder & Head Coach

Education:

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

CRYSTAL SUN
Coach

Education:

B.S. Neurobiology, Physiology & Behavior — UC Davis
CrossFit Level 1 Trainer (CF-L1)
Division I Athletic Performance Program
Competitive Gymnastics Background

ALAN MORETT
Coach

Education:
B.S. Kinesiology - San Jose State University
NASM Certified Personal Trainer

JUSTIN MA
Head of Marketing

Education:
B.S. Computer Science - UC Berkeley
NASM Certified

We’re officially open! 🎉Thank you to everyone who came out to celebrate the grand opening of SunFM with us. Seeing the s...
09/18/2026

We’re officially open! 🎉

Thank you to everyone who came out to celebrate the grand opening of SunFM with us. Seeing the space filled with so many familiar faces, new faces, and so much energy made all the work behind the scenes worth it.

We’re so excited for what’s ahead and grateful to everyone who helped us get here.

Welcome to SunFM☀️

We are officially opening our doors, and you’re invited to Sun Functional Movement’s Grand Opening party! Come check out...
09/06/2026

We are officially opening our doors, and you’re invited to Sun Functional Movement’s Grand Opening party! Come check out the space, meet your future workout crew, and see what our community is all about.
🗓️ When: Saturday, September 12th | 2:00 PM – 5:00 PM
📍 Where: 1401 Parkmoor Ave Suite 100, San Jose, CA 95126
Here’s what is waiting for you:
- Delicious food & local refreshments
- Awesome giveaway drawings
- A chance to mingle with our incredible trainers and gym members
Whether you’re looking for a new fitness home or just want to grab a bite and hang out, everyone is welcome. Bring a friend, bring your energy, and let’s kick things off right!☀️
Please RSVP via this link: https://partiful.com/e/6D0T46MNffD6JXqTerRU?c=z-LAlXvN

08/25/2026

🌟Client Showcase🌟

Wanted to showcase one of my longtime clients, Mei-na! In this video, she is Zercher Squatting 52.5lbs- a weight that even some of her friends doubted she could do!

What makes this PR even more special is knowing where she started. Two years ago, Mei-na wasn’t squatting at all because of persistent back and knee pain. Through consistent training, patience, and putting in the work, she completely changed what she is capable of doing.

Now she is setting squat PRs almost every week! Seeing that kind of progress is exactly why I love working with clients long term. It’s not about rushing the process; it’s about building strength, confidence, and healthy movement habits that pay off over time.

Keep up the great work, Mei-na! You’ve come such a long way, and I’m excited to see what you accomplish next💪🌟

08/05/2026

🗣️ Hear it from Kanth:

"Before working with Jeff, I was never disciplined. Now, it has changed significantly for my workouts and diet. Thank you Jeff, thank you for everything"

Discipline is everything! Thank you, Kanth, for the incredible words and for bringing your best every session. 🙌

Ready to invest in yourself? Let's get started.

📩 DM to learn more or book a session.

Clients have been rocking the new workouts at the gym!A clear mind = a great workout.If you're interested in some workou...
08/01/2026

Clients have been rocking the new workouts at the gym!

A clear mind = a great workout.

If you're interested in some workouts and a brand new, empty gym - DM me to learn more!

07/23/2026

Training together since 2023, this duo has been putting in the work to move better and stay pain-free. There's something special about tackling your mobility goals as a team - the accountability, the energy, and the shared wins make all the difference!

Investing in how you move today pays off for years to come. Proud of these two for making it a priority. 💪

Want to train with a partner, friend, or family member? Let's make it happen.
📩 DM to learn more or book a session.

07/16/2026

🗣️ Hear it from Sneha:
"My body feels like a well-oiled machine and I feel stronger than ever before. Jeff makes the entire journey very enjoyable. He has been the best investment in my fitness journey and I highly recommend him."

Stronger than ever and enjoying the process - that's the goal right there. Thank you, Sneha, for the incredible words and for bringing your best every session. 🙌
Ready to invest in yourself? Let's get started.

📩 DM to learn more or book a session.

06/19/2026

🗣 Hear it from Chen:

"Jeff helps me move out of my comfort zone. He really understands what I would like to achieve."

Neck pain. Gone. Low back pain. Gone. 💪 That's what happens when you stop chasing temporary relief and start fixing the actual cause. Chronic pain usually isn't a life sentence. It's a movement problem nobody bothered to address. So proud of how far Chen has come.

If you're tired of living with chronic neck or back pain, 📩 DM to learn more or book a session.

Address

1401 Parkmoor Avenue Suite 100
San Jose, CA
95126

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