Been a client for 4 years and have enjoyed my sessions with coach Stuart.
Trained by Stuart

Est. 2017 · King West, Toronto
About Arzadon Fitness — Built on Data, Driven by Results.
Meet the team behind Arzadon Fitness — head coach Jay Arzadon, Co-Founder & Director of Client Experience Jennifer Arzadon, and Registered Massage Therapist Ethan Lee. A private personal training studio at 460 Richmond St W in King West Toronto, est. 2017, with 163+ five-star Google reviews (4.9★ avg).
Start HereCoaching from $377/month — see all programs.

VO2 Max
Elite
Clients Coached
300+
Your Coach
Jay Arzadon — CSCS Personal Trainer, Toronto
Founder & Chief Performance Officer
Jay Arzadon empowers clients to surpass their limitations and achieve extraordinary results. With over a decade of experience in physical excellence coaching, Jay is a passionate advocate for the science of exercise and nutrition.
His rigorous, methodical approach enables him to accurately predict the changes clients will experience, fostering confidence and transparency throughout the process.
Full Trainer Profile“If you can't measure it, you can't improve it.”
20+ Certifications
Credentials & Expertise
The Philosophy
Why data-driven personal training in Toronto produces different results
Most personal training in Toronto runs on the same model: session-based pricing, generic programming, and trainer pay that's independent of your outcome. Arzadon was built around a different assumption. Every training decision should be measurable. And your trainer's incentive should be the same as yours.
The measurement stack is what makes this possible. InBody 770 body composition scans track fat mass and lean mass independently, bi-weekly. Biosignature assessment maps hormonal fat storage across 14 skinfold sites. VO2 max testing establishes your cardiovascular baseline and tracks aerobic adaptation over time. These aren't features. They're the inputs that turn a training guess into a training plan.
The studio is at 460 Richmond St W — a private, appointment-based facility in King West, a 5-minute walk from the King Street West TTC stop. Clients come from Liberty Village, the Financial District, the Entertainment District, and Yorkville. 97% of clients hit a measurable primary goal within 16 weeks. The 3% who don't are almost always facing a significant external factor. That's not a marketing number — it's the output of 300+ clients tracked against intake baselines since 2017.
Results-based trainer pay
Trainer compensation is tied to client outcomes, not sessions delivered. When trainer income depends on your result, the coaching relationship changes structurally.
InBody 770 bi-weekly tracking
Fat mass and lean mass measured independently at every check-in. The number doesn't lie and doesn't interpret. When the data shows the program isn't working, the program changes.
Biosignature hormonal mapping
14-site skinfold assessment correlates fat storage patterns to hormonal indicators. Where you store fat tells us which levers to address. Protocol design follows the data.

The People
The Arzadon Personal Training Team, Toronto

Jay Arzadon
Founder & Chief Performance Officer

Jennifer Arzadon
Co-Founder & Director of Client Experience

Ethan Lee
Registered Massage Therapist
Transformation Experts

Stuart Charlesworth
Senior Transformation Expert

Antonio Montes
Transformation Expert

Stacy Schan
Transformation Expert

Joanne Kim
Transformation Expert
What We Stand For
What Makes Arzadon Different — Data-Driven Personal Training
Precision Over Volume
Every rep, every meal, every metric — intentional. We track 40+ data points because guesswork has no place in transformation.
Outcome Accountability
Our trainers are compensated based on your results, not hours logged. Your success is our livelihood.
Science-First Approach
Biosignature, VO2 max, InBody 770 — clinical-grade diagnostics inform every protocol we build.
Private Environment
No crowds, no waiting. A private facility designed for focused, distraction-free sessions with premium equipment.
24/7 Commitment
Keycard access around the clock. Your schedule, your pace — supported 7 days a week by your coaching team.
Trust & Transparency
No hidden fees, no upsells. Honest pricing, honest results, honest communication.
460 Richmond St W, Suite 100
The Facility — Private Personal Training Studio, King West Toronto

Training Floor
1,800 sq ft private

Hypertrophy Lab

Strength Zone

Conditioning

Diagnostics
Located in the heart of Downtown Toronto at 460 Richmond St W, our private training facility is designed for one thing: optimal performance. No crowds, no waiting for equipment, just a focused environment where you can execute your protocol.
24/7
Keycard Access
1,800
Sq Ft Private
Clinical
Grade Diagnostics
Zero
Overcrowding
Beyond The Gym
Community & Education — Toronto Personal Training Events
Arzadon runs regular seminars, nutrition workshops, and community training events open to clients and the downtown Toronto fitness community.

Community Seminars
Open to all members

Coach-Led Workshops
Nutrition, programming & recovery
Our Journey
Milestones
2017
Founded
300+
Clients Transformed
163+
5-Star Reviews
97%
Results Rate
300+ clients · primary goal by wk 16
King West · Fashion District
Find Us in Downtown Toronto
Hours
Contact
info@arzadonfitness.com
(437) 237-7524
Neighbourhoods
The Process
How Arzadon Personal Training Works — From Assessment to Results
Free Consultation
A 20-minute discovery call to discuss your goals, timeline, and whether the Arzadon system is the right fit. No pressure, no sales pitch — just an honest conversation.
90-Minute Assessment
InBody 770 scan, biosignature analysis, movement screen, VO2 max baseline, and goal mapping. Your program is built from data, not assumptions.
Train Hard. Train Smart.
Your custom protocol begins. Every session, every meal, every metric tracked. Your trainer's pay is tied to your results — so they're as invested as you are.
“Whatever your fitness goals are (losing weight, putting on muscle, improving mobility, getting more energy, etc) what works for someone else may not always work for you, we're all different. The latest pop culture diet and cookie cutter workout plans don't take into consideration your lifestyle, food allergies, or old injuries. That's not to say you can't get results but for the best results for you in the safest and fastest way possible you need a plan specific to you. No one understands this better than the team at Arzadon Fitness. Taking a science-based data-driven approach, the team starts with an initial assessment to get a holistic view of who you are, goals, and your lifestyle, which feeds into a custom built fitness plan. In my case, I eat out on weekends so it's hard for me to get the recommended food to my diet plan (not about to bring tubberware with me everywhere). Working with the team we've setup my diet plan so that I can still go out, making smart food choices, and still work towards my goals. From there you'll work with one of their amazing trainers who will guide you through the exercises, educate you, and ensure you're performing the movement safety. Get ready to put in the work because they're here to keep you honest and accountable (you get what you put in). Bi-weekly check-ins/assessments help give you measurable progress towards your goal and also allows the team to further refine your fitness plan identifying what's working and what's not. Speaking from my own experience in 20 weeks I've lost 20lbs, manage my stress better, sleep better, and generally have much better energy. Having crushed my initial goals, I've set new goals with the team and really excited to see the results that come next. For anyone serious about their fitness goals and ready to get results you have to reach out to Arzadon Fitness.PositiveQuality, Professionalism”
Ready to Get Started?
Book a free consultation and see how our data-driven approach can accelerate your results.
“Been a client for 4 years and have enjoyed my sessions with coach Stuart.”
— Tina T, trained by Stuart
Our team's clients



