GEM Team

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  Theresa Cordova is a driven professional with over 20 years of experience in the fitness industry, serving as a leader, educator, and advocate for personal training and exercise science. She is the Founder and Owner of GEM Fitness, where she pioneered the Guided Exercise Membership program, providing unparalleled support and expert exercise prescriptions tailored to individual needs. In 2006, Theresa started Changes for Life, offering integrated health and wellness services, from personal training and coaching to community-based group fitness and education. In 2016, she founded Fit for Life, a nonprofit dedicated to promoting lifelong wellness through engaging physical activities for all ages and abilities. Her background includes a pivotal role as Partner and  Director of Certification at the Academy of Applied Personal Training Education (AAPTE), where she helped achieve and maintain the national accreditation for personal trainers. Her expertise in resistance training biomechanics, exercise physiology, and movement education drives her mission to empower individuals to lead a healthier more active life through movement.  

   In addition to his role as a Personal Trainer and Coach at GEM Fitness, Thomas serves as the Chief Operating Officer and Program Director of Fit For Life, where he plays a key role in developing and overseeing programs that promote fitness, health, and wellness for people of all ages. A certified personal trainer and mixed martial artist, Thomas is passionate about helping individuals make meaningful changes in their lives, adopting healthy habits that improve both physical and mental well-being. He has a special passion for working with individuals with conditions such as Parkinson’s and Alzheimer’s, using his expertise to improve their quality of life through movement and fitness. Thomas is also Otago trained and certified in GiGi’s Fit training, equipping him with the tools to support a wide range of clients. By incorporating the discipline and strength principles he’s learned from mixed martial arts, he helps clients become mentally and physically stronger, enabling them to move more freely and function better in everyday life.  

Katie works with clients of all ages with varying abilities.  Katie is passionate about helping others to feel the best they can in everyday life.

Certified Personal Trainer and Group Exercise Instructor specializing in Small Group Trainings, Cycling, HIIT and more.

BBA, Pace University

Certifications:

Certified Personal Trainer, Academy of Applied Personal Training Education (AAPTE)

AFAA Group Exercise Instructor Certified

Schwinn & FiTour Indoor Cycling Certified 

Moving for Better Balance Certified

Les Mills BodyPump Certified

MetaFit Bodyweight HIIT Training

Precor Queenax Small Group Trainin

TRX Training

Aqua Boga Training

Small Group Facilitation

Diabetes Prevention

Dylan has been a certified personal trainer for 10 years. After being an athlete in his youth, he decided to pursue a career in health and fitness. He has trained clients ranging from the ages of 13-80 and ran group classes ranging from 3-24 people. Whether it’s losing weight, gaining muscle, or maintaining a healthy lifestyle Dylan is able to help all clients. He has a certification as a resistance training specialist and continues to increase his education in order to best serve his clients. 

 Andrea, a long-time lover of fitness, is a Master Personal Trainer, Group Exercise Instructor, and Small Group Training Coach on Long Island, New York.  Andrea strives to find creative strategies to encourage those with orthopedic challenges (like herself) to reach the best physical, mental, and emotional versions of themselves. Her certifications include CPT, NASM; TRX, Suspension Training and Rip Training; CrossCore, Suspension Training; and Bell Mechanics, Level 1 Kettlebell Training. Her specializations include Cardio Dance and Foam Rolling. She is blessed to share a life with her husband, Nick, and their two spectacular daughters, Gianna & Gioia. 

 Eileen Golon CPT, RYT200

 Eileen Golon is a Licensed Master Social Worker with Bachelor's and Master's Degrees in Social Welfare from Adelphi University.  Practicing Mindfulness-Based Stress Reduction since receiving a MBSR certification, she is a certified Yoga instructor, with additional certifications in restorative yoga, children’s yoga and yoga for special needs, and a NASM CPT. She asserts moving the body ‘s positive impact on overall health, and well-being.  Eileen’s work infuses Mindful Meditation, movement, relaxation, and introspection. 

Kasey, a current student at Connetquot High School who is verbally committed to Johnson & Wales for soccer. She is an all honors and AP student who maintains a 4.0 GPA while playing for her high school varsity team and a high-level travel soccer team, LGN Stony Brook Rush. Kasey is a motivated worker who works the front desk at GEM Fitness. On top of playing soccer for Johnson & Wales, she wants to study fashion merchandising and hopes to pursue a fashion marketing career in the future.