Introducing the CustomFit360 Lewes Team

Meet the fitness experts ready to help you achieve your fitness goals and your potential.

Our Founder

CustomFit360 was established in 2016 with the goal of providing elite, customized and professional fitness and nutrition programming to our immediate community that enveloped Millville, Ocean View, Bethany Beach and surrounding areas. Through the support of our client base, despite COVID-19 shutdowns and a myriad of challenges, we have continued to grow. As we have grown, our impact and reach has become larger and larger. We now have the opportunity to make an even bigger impact on our community within Sussex County and change even more lives. Here at CustomFit360, you will always find our core values at the helm of everything we do:

  • Integrity
  • Respect
  • Hard Work
  • Education
  • Compassion
  • Community

It is through these core values that we will continue to deliver what I hope to be, the best fitness experience there is to offer. Over the years, we have focused on our 1:1 programming and have slowly introduced our small group and nutrition programming. We now have 3 core offerings at CF360: one on one personal training, small group training and nutrition services. We keep groups small and try to give each individual as much attention as we can, in order to insure injury prevention, movement efficiency and of course, results. We will take this model that has become successful in helping others and carry on the mission in Lewes Delaware!

Our Professional Coaches

Erik Schreiber

Owner of CustomFit360
Erik is a former Division 1A college athlete. Erik is NASM, NESTA, NCSA and NCSF (4 governing bodies) certified in 11 different specializations including senior fitness, weight loss and human performance as well as NASM Nutrition Coach. With over 15 years' experience in the fitness industry Erik's unique diversity in his training methods primarily focuses on Functional Training Technique to maximize results.

“Functional Training” is classified as an exercise which trains the body for activities performed in daily life and can be modified for all levels of fitness abilities. With clients ranging from beginner to advanced, Erik’s ability to create personalized programs for each client has been met with great success.

Kaitlyn Gill coach at CustomFit360 Lewes

Kaitlyn Gill

Kaitlyn is a graduate from the University of Delaware with a Bachelor's of Science in Behavioral Health and Strength and Conditioning. She began her fitness career in 2012 and has worked in a variety of different fitness settings including Silver Sneakers, Professional, Collegiate and High School athletics, cardiac and post-surgical rehab, as well as private and corporate wellness.

Her passions and specialties lie in rhythm-based spin, powerlifting, mindset and behavioral patterns, goal coaching, self care and personal development practices (not to mention strong cups of coffee!). Kaitlyn aims to provide clients with a comprehensive and holistic approach to improving their mental and physical health. Her mission is to inspire and guide others to feel empowered, eager to crush goals, and to live their absolute best life!

Carly Cannon coach at CustomFit360 Lewes

Carly Cannon

Carly began her fitness career as a NASM Certified Personal Trainer at Gold's Gym in 2015. Since then, Carly has expanded and grown her career in the health and fitness industry. Her previous positions include General Manager of Gold's Gym, Sales & Operations Manager of Orangetheory Fitness, and, most recently, Studio Manager of Lewes Fit Body Boot Camp.

Her personal health did not become a priority until she was diagnosed with ankylosing spondylitis and rheumatoid arthritis. Per doctors recommendations, she changed her eating habits and started working out more regularly. This led to weight loss, muscle gain, and pain management.

When Carly is not in the gym working, you can most likely find her in the gym working out. She loves to do a variety of workouts that range from Olympic weightlifting and functional training to the occasional 5k. She is currently enrolled in the Physical Therapist Assistant program at Del Tech in an effort to expand her knowledge and change as many lives through fitness as possible!

Chris Parker coach at CustomFit360 Lewes

Chris Parker

Chris is certified with ISSA in corrective exercise and nutrition. Chris's fitness journey began in high school with his first weight training class. Since then, he has been incorporating exercise into his daily routine and lifestyle while pursuing his passion within the fitness industry. Through his experience and management training with GNC, Chris also boasts a strong background in nutrition and supplements.

Chris’s goal as trainer and exercise enthusiast is to be able to bring the best out of anyone looking to better themselves physically and mentally. Going on 5 years of staying active, he is a strong believer that exercise not only prolongs life but also enhances the quality of it!

Tabitha Cortijo coach at CustomFit360 Lewes

Tabitha Cortijo

Tabitha was born in Mississippi and has spent the last 20 years in Delaware. She has always had a passion for fitness and started playing soccer at the age of 6. She became an ISSA Certified Personal Trainer in 2021 and began her fitness journey working as a strength coach. She continued to pursue her fitness education and became a Barre Intensity certified instructor in 2022.

Tabitha’s passion is in education, graduating with her Bachelor’s degree in Middle School Science in 2013 and then with her Master’s degree in Special Education in 2015. She is a mom to a middle school soccer star and a behavior support teacher at Georgetown Middle School. Tabitha is also owner of Carved Ink Studio, a local art gallery and private tattoo studio. She is always very active and loves to learn new things. A true educator at heart!