About Us


Rock PT Fitness Instructors & Coaches

Dereck and Debbie are originally from the UK and lived in London and New York City before settling in Sarasota a few years ago.  The Rocks are passionate about following a healthy lifestyle and are keen to help others reach their health and fitness goals. For them it isn't just about looking good on the outside, but feeling great on the inside!  This means full body workouts that focus on cardio, strength training, range of motion and flexibility.  

Debbie Rock

Debbie is a Certified Personal Trainer, Group Fitness Instructor and Health Coach with the American Council on Exercise (ACE) and has been working in the fitness industry since 2012.  

As an orthopedic exercise specialist, she worked alongside physiotherapists at the Marie Curie Hospital in London, where she helped clients recover from various surgeries and injuries, and worked with those fighting long-term illness.  Debbie also worked with clients in the hydrotherapy pool, helping them progress from water to land-based workouts. 

Debbie is experienced in variety of fitness formats including HITT (high intensity interval training), balance training, boxing and studio cycling.  She has worked with all ages and fitness levels and will create an exciting exercise program tailored to your individual needs.  Debbie believes that exercise should be fun and everyone can find a workout they enjoy! 

Debbie is also a graduate from the Rouxbe Culinary School specializing in Plant Based Cuisine. She has a passion for creating nutritionally sound and healthy recipes that are are also satisfying and delicious. 

Dereck Rock

Dereck started his fitness career in the British Army and was a Physical Training instructor for new recruits.  After taking a hiatus from teaching fitness, he worked in Investment Banking in London, Tokyo and on Wall Street.  Dereck returned to his roots a few years ago and is now a full time Certified Personal Trainer with ACE.   

Dereck enjoys creating circuit based fitness programs.  He believes that full body fitness starts from the inside and that a combination of dynamic movement, cardio and resistance training can deliver results for clients of all ages and abilities.

He has worked with people recovering from serious illness and injury, helping to guide them back on the road to recovery.

Dereck can work with all ages and abilities, and his programs are interesting and diverse.  You won't ever get bored training with Dereck!