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WHO WE ARE

Meet our team of expert health professionals who have developed a safer, smarter and more effective workout program with YOU in mind.
Mike Lisi, Trainer and Founder NXT4 Life Training, Expert Fitness Team in Glen Head, NY,

Mike Lisi

Founder + CEO

My passion for strength training began at a young age training for performance (football). Training with intention and a plan is always my focus . While chasing my dreams of playing college football, I always was intrigued by the strength training behind it all. My beginnings as a coach/trainer started under Miguel Rivera (UPenn’s Strength Coach) and David Van Dyke (Rutgers Strength Coach), while playing football in college. I later received my Health Science degree from Stony Brook University.

Motivated to help adults to live their utmost optimal life, I opened RAF Strength and Fitness (8 Years) with my brother in law Jonathan Feliciano. After realizing how many lives we’ve changed by introducing strength training, I was destined to provide more to that market.

Introducing, NXT4 Life Training. NXT4 will be your last stop in the fitness world. My goal is to inform people on their overall health (Training, Sleep/ Recovery, Nutrition, Mental Toughness). Overall health is so much deeper than just physical/ looks. We won’t be measuring sweat and/ or calories burned in a workout. Instead, detailed coaching/ programming for our members, so they can finally progress and get strong. Muscle is the key to a healthy life and longevity. We’re going to give you all the tools (inside and outside of our facility) to achieve that. Come meet our expert fitness team in Glen Head, NY.

Kayla Hendrickson, Trainer and COO at NXT4 Life Training, Glen Head NY

Kayla Hendrickson

COO / Head Coach

Kayla has loved movement ever since she was a young girl in dance class. Through Kayla finding solace in training herself, she realized she enjoyed helping others reach their fitness goals just as much as reaching her own. She then discovered group fitness and started her first coaching job at OrangeTheory Fitness and currently works at Barry’s. She started lifting weights at the age of 16 and participated in physique competitions where she placed in the top 5. Today, Kayla helps people train in a spine conscious fashion to lift weights. She has treated injuries such as plantar fasciitis, bunions, chronic back/neck pain, bulging discs, knee/shoulder pains, etc using techniques from her movement mentors and other institutes she’s learned from. In addition to adults, Kayla also specializes in training adolescents looking to begin their fitness journey in a fun and engaging way. She believes breathwork is transformative and an essential aspect of not only physical health but psychological. Kayla’s workouts include breathwork, running, biking and weightlifting.

John Feliciano

Coach

My passion for fitness first started at a young age, and it’s in part because my parents have always exercised. I noticed they were healthier than my friends’ parents and that they would follow a workout regimine daily. My dad had his own gym in the basement of our house and he had 4-5 of his close friends come by and workout with him. As they trained, I used to sit by the stairs and watch and always asked my dad if I could workout with them. Essentially, I ended up working out on my own in my room with four movements; push ups, pull ups, squats, and sit ups.

Once I was in 8th grade, I grew into weight lifting because I was actively involved in sports. Once I entered high school, basketball , track and field became a staple in my high school career, along with football. I noticed that with proper weight lifting and athletic training, athletes can become more effective in whatever sport they play. My interest grew knowing this. Upon entering St. John’s University, I applied for a job as a personal trainer and sure enough I got it. Throughout my college career, I made a priority to learn and grow as a trainer. I became certified through ISSA, and NASM, where I was able to use my knowledge in a commercial gym to help change peoples lives.

Upon working at a commercial gym, I grew more as a trainer and as a person. I learned that what you can learn as a trainer is infiinte, and it can only excel you in the field of fitness and wellness. I want to leave a lasting impression upon everyone I come across, I want to inspire those who need that positive reinforcement. I’m told “my energy” is very contagious, I’d like to think I give that “energy” off in every session, class, and aspect of life.

STRATEGIC ADVISORS

Dr. Gabrielle Lyon, Strategic Advisor and NXT4 Ambassador

Dr. Gabrielle Lyon

Strategic Advisor / NXT4 Ambassador

Well-respected functional medicine practitioner, Dr. Gabrielle Lyon, is the founder of the Institute for Muscle-Centric Medicine®. Dr. Lyon is a nationally recognized speaker and media contributor specializing in brain and thyroid health, lean body mass support, and longevity.

Dr. Gabrielle Lyon is board certified in Family Medicine and completed a combined research and clinical fellowship in Geriatrics and Nutritional Sciences at Washington University in St. Louis. She completed her undergraduate training in Nutritional Sciences: Vitamin & Mineral Metabolism at the University of Illinois.

Dr. Lyon is a subject matter expert and educator in the practical application of protein, types, and levels to health, performance, aging, and disease prevention. She has continued to receive mentorship from Dr. Donald Layman, Ph.D. over the course of two decades to help bring protein metabolism and nutrition from the bench to the bedside.

Her clinical practice services the leaders, innovators, mavericks, and executives in their prospective fields. Dr. Lyon works closely with the Special Operations Military and has a private practice that services patients worldwide.

Jay Siano

Strategic Advisor

Jay Siano is a New York-based entrepreneur, commercial real estate and wellness executive who has been instrumental in advising and scaling some of the most successful brands in the world (Chipotle, Starbucks, Orangetheory Fitness, Massage Envy, European Wax Center to name a few). In 2010, Mr. Siano co-founded SABRE Real Estate Advisors, which quickly became one of the country’s most influential location based real estate advisory firms. Through his 22 year career, Mr. Siano has established a proven track record of combining his obsession of consumer behavior and sharp creative direction for elevating unique brands with strategies that balance high velocity with surgical execution. Mr. Siano resides in New York with his wife Danielle and their sons Jax and Jase.