Meet the Pack!

The heartbeat of Deer Park’s Dream Fitness Community.
Where Passion Meets Purpose – Embrace the Warmth of
a Dream Realized in Every Workout

Our Mission.

Our mission at Pack Athletic Club is to foster a space where fitness and friendship bloom side by side. Born from a dream shared between us, every corner of PAC radiates with the warmth of welcome and the spirit of perseverance. It’s a place where your goals are greeted with cheers, every challenge met with a companion by your side, and where the joyous pitter-patter of paws reminds us that the journey to health is one we walk together. This is more than a gym—it’s a community heartbeat, pulsing with the shared beat of Deer Park’s most passionate hearts. Welcome to the family we dreamed of; welcome to PAC.

Meet the Pack.

Our amazing team here to guide and support you!

Coach Mike Gillespie

Mike Gillespie

Owner | Head Coach

National Academy of Sports Medicine: Certified Personal Trainer, CPR/AED, Stretching & Flexiblity
CrossFit Certifications: Level 1, 2 & 3! Kids, Strongman & Gymnastics
CrossFit Courses: Dumbbells, Programming, Spot the Flaw, Scaling, Lesson Planning, Running & Judging
9 Years Coaching Experience
Fueled by Coffee, Ice Cream & Chocolate
Dual Irish Citizen


Kristin Gillespie

Co-Owner | Marketing

Chief Community Officer of Femme Gaming: Empowering women and marginalized genders in gaming
Web Developer & expert marketer serving Long Island for the past 10 years
Super Nerd & Gamer
Mediocre Athlete but Super Cheerleader
Chaser of dopamine & all things tech

Coach Melissa

Coach Melissa

Coach | L2

CrossFit Certifications:Level 2 Coach, Precision Nutrition L1 & Adaptive and Inclusive Training
Additional CrossFit Courses: Spot the Flaw, Scaling for CrossFit, Programming
CPR/AED and First Aid Trained
Fun Fact: Can crochet animals & things!


Coach Jeremy

Coach | Partner | L1

CrossFit Certifications: CrossFit Level 1
Athletic Swim Coach for Connetquot CSD
Certified Swim Coach for Safe-T-Swim
Habitual Class Clown

Coach Lexi

Coach Lexi

Coach | L1

CrossFit Certifications: CrossFit Level 1
Cheerleading Coach for 7 years
Nearly 20 years Cheerleading experience both through school & on the All-Star level
2-time UCA College National Champion
Fun Fact: My favorite thing is handstand walking!

Get Started.

Pack Athletic Club is the culmination of a decade-long dream. With our very own space in Deer Park and a growing fitness community, we are committed to providing the best coaching and training programs on Long Island. Our scientifically-backed approach, combined with a true passion for helping our community, sets us apart from the rest. As we embark on this exciting journey with our first boutique gym, we hope to inspire and energize our local community. We invite you to join us and be a part of our pack! 🐾


PAC combines functional fitness training with a dash
of Deer Park charm and a tail-wagging camaraderie
that welcomes both fitness enthusiasts and their furry friends.

Deer Park, Long Island

850 Grand Blvd
Deer Park, NY 11729


Stay Connected!

Pack Athletic Club

© 2023