Introducing The Jersey
CrossFit Team

Meet the fitness experts ready to help you achieve your fitness goals

A man lifting a barbell with orange weights overhead during a workout at a gym.

Joe Murphy (Owner)

In 2012, Joe founded Jersey CrossFit with a clear goal: to create a different style of training in Jersey that combined high-intensity workouts with proven strength and conditioning methods used in sport.

The vision was to build a performance-based gym that could help everyday people improve their health and fitness, while also giving athletes a place to train using the same principles used in elite sport. By combining strength training, conditioning, and functional movement, the aim was to develop well-rounded fitness that transfers both to sport and to life.

Before founding the gym, Joe was heavily involved in football, representing England at amateur level and playing semi-professional football in England. Today Joe competes in Functional Fitness and continues to coach and develop athletes of all levels. Jersey CrossFit has grown into a community focused on hard work, support, and continual improvement — helping members become stronger, fitter, and more confident both inside and outside the gym.

  • Level 3 CrossFit Certified Trainer

  • UKSCA Accredited S & C Coach

  • HSN Nutrition Certified Coach                 

  • Level 2 British Weightlifting Coach

  • Post-Graduate Certificate - Physical Education and Sports Studies

  • OPEX Complete Coaches Program

  • BA Degree – Criminology and Social Work (1st)

  • CrossFit Movement and Mobility Coach

  • CrossFit Endurance Coach

  • CrossFit Weightlifting Coach

  • Advanced Personal Trainer

  • Level 1 Football Coach

  • Level 1 Athletics Coach

A woman using a rowing machine at a fitness event, with a man standing behind her and other people in the background.

Sarah Tambling (Manager)

Sarah is our general manager and looks after each clients journey within the gym.

She enjoys playing lots of different sports, such as running marathons, entering crazy events like a Tough Mudder or the Breca Challenge and testing herself through sporting events such as a Triathlon and White Collar Boxing.

  • Advanced Personal Trainer

  • Pre & Post Natal

  • KettleBell Instructor

  • Circuit Instructor

  • Nutrition Coach

  • Boxing Coach

Our Coaches

A man in a light blue hoodie and gray sweatpants standing in a gym, holding a clipboard, with gym equipment and another person in the background.

Adam Harrison (Head Coach)

Adam is known for his efficient Gymnastics and Weightlifting abilities. Adam is a firm believer that you get out what you put in to training and life so works people as hard as necessary in order to ensure they each achieve their individual goals, whatever they may be, through teaching, coaching or motivation.

  • BSc (Hons) Sport and Exercise Science

  • CrossFit Level 2 Certified Trainer  

  • British Weightlifting Level 1   

  • REPS Level 3 Personal Trainer

A man wearing an orange shirt and black shorts lifts a barbell overhead during a workout at a gym, with a trainer observing in the background.

Tom Crowne (Coach)

Tom has had nearly 10 years experience in the fitness industry. Tom went into management at Fitness First Jersey before joining Jersey CrossFit as a coach. This is very much where his passion is, being on the gym floor, motivating and guiding people to their fitness and movement goals!

  • BSc Exercise and Health Science

  • Crossfit Level 2 Certified Trainer

  • Planning effective programming & Olympic weightlifting (UKSCA)

  • Adapting exercise for Ante and Post natal

  • LAO Level 3 Diploma in personal training and business planning (QCF)

A man lifting a barbell with weight plates in a gym. He is wearing a sleeveless shirt, black shorts, white sneakers, and a black cap, standing on a black rubber gym floor.

Dan Cornelius (Coach)

Dan has over 15 years of experience in the fitness industry. His coaching focuses on improving health, functional movement and building strength that carries over into everyday life. He also leads our Kids & Teens classes, where he is passionate about helping young athletes develop confidence, coordination and a love for movement in a fun and supportive environment.

  • BSc (Hons) Sports Science

  • CrossFit Level 2 Certified Trainer

  • British Weightlifting Level 2

  • REPS Level 3 Personal Trainer

Take the first step.

We can’t wait to meet you

Chat with a coach at our gym to learn more about what program will fit your goals.