Summer of Strength 2026 — free 3D gym design, certified installation & commercial-grade equipment all summer. Learn More
Free consultation. Describe your space — we'll design it in full 3D so you see exactly what it looks like before ordering. Book Free Consult
Commercial-grade equipment — same machines in elite clubs & 5-star hotels, now in your home. Built to last 15–20 years. See the Difference
4 ways to connect — showroom, virtual tour, phone, or we come to you. Always free. Your choice. Choose Your Way
Expert installation included — our in-house team handles everything. You come home to a finished gym. How It Works
Complimentary personal training with Gym Guyz included with every purchase — great equipment deserves great coaching. See What's Included
Flexible financing available — your dream gym shouldn't wait. Ask us about monthly options for your build. Ask About Financing
Offer ends September 1. Book your free consult now — zero pressure, independently owned since 2004. Book Before Sept 1

Nassau County, Suffolk County
Woodbury, Southampton
30 years
Contact John Mavros

John Mavros

Supplements, Wellness & Nutrition

John Mavros – Health & Wellness, Supplements and Nutrition Specialist

John Mavros is a seasoned professional in the fitness and gym equipment industry, currently serving as a Sales and Showroom Manager at Gym Tech. Bringing over 30 years of expertise in health, wellness, nutrition, and sports supplements, he specializes in guiding clients to optimize their health and performance through tailored advice on both supplements and diet.

With a background as a non-competitive athlete and extensive gym experience, John has a deep understanding of fitness equipment, workout dynamics, and the overall gym experience. Based in the Woodbury showroom and aiding in the Southampton location, he is dedicated to helping individuals achieve their fitness goals safely and effectively. His warm demeanor ensures clients feel comfortable, fostering a supportive environment for their wellness journeys.

John goes the extra mile by visiting clients’ homes or offices to provide personalized service, including bringing visuals and taking measurements to create room layouts that facilitate smooth "white glove" installations. He is skilled in selling and relocating home gym equipment, matching clients with the ideal setups or individual pieces that align with their goals.

For expert insights on selecting the right fitness equipment, integrating effective supplements, or crafting strategic nutrition plans, reach out to John Mavros. His extensive experience in health and wellness, alongside his commitment to client satisfaction, makes him a reliable resource for those pursuing their fitness aspirations.

Contact Information:

John Mavros
Supplements and Nutrition Specialist
Representative, Gym Tech Fitness
john@gymtechfitness.com
https://ibuildgyms.com

Free Delivery & Installation Conditions
  • Offer is valid only for items currently in stock.
  • Order value must be $5K or more (excluding taxes and fees).
  • Valid for delivery/installation within the  NY Tri-State area only.