Meet the PT's

Gareth - The Boss, G Man.

Boxing has been a huge part of Gareths life since he first stepped into the gym at just 10 years old.

He competed for 10 years, boxing at National level for several years, before turning his experience and passion towards coaching. He has now been coaching boxing for 24 years, helping everyone from complete beginners and fitness clients through to experienced competitive boxers.

His passion is boxing and HYROX training, and he loves helping people achieve their fitness goals while creating a healthy lifestyle that is fun, challenging and enjoyable.

Qualifications & Experience

• England Boxing Level 2 Coach
• 5 Pillars Coach – qualified to work with the England National Team 
• Level 3 First Aid 
• DBS Approved 
• Safeguarding Children Qualified 
• Child Welfare Officer

Gareth is an Eastern Counties Squad Coach and Matchmaker and he sits on the Eastern Counties Executive Board.

One of his biggest strengths as a coach is his ability to teach boxing at every level. Whether you have never put on a pair of gloves before, want to use boxing to improve your fitness, or you're an experienced boxer looking to develop your skills and performance, he can tailor his coaching to you.

For Gareth, boxing isn't just about competing. It's about confidence, discipline, fitness, progression and enjoying the journey

Meet Cassie | Strong Era Coaching 

Cassie’s love for fitness started at just 7 years old and has been a huge part of her life ever since.

Over the years she has competed at a high level in athletics, played hockey, taken part in CrossFit competitions and now has a huge passion for boxing, strength training and HYROX.

After years of training and competing herself, Cassie decided to turn that passion into a career — gaining qualifications across fitness, coaching and nutrition and launching her own business, Strong Era Coaching.

Qualifications & Experience

• Qualified Gym Instructor
• Qualified Personal Trainer (PT)
• Strength & Conditioning Coach
• Nutrition Coach
• Group Training / Exercise Instructor
• HYROX Coach

• Involved in sport and fitness since the age of 7
• Competed at a high level in athletics
• Competitive hockey experience
• Competed in CrossFit competitions
• Boxing training and experience
• HYROX training and competition experience
• Strength & conditioning training
• Coaching both individuals and groups
• Programming for different abilities, fitness levels and goals
• Supporting clients with strength, fitness, fat loss, nutrition and lifestyle changes

Cassie now runs Strong Era Coaching, offering both 1-to-1 in-person PT and online coaching.

Her coaching isn’t about quick fixes or trying to make everyone train the same way. It’s about helping people become stronger, fitter and more confident, while building habits that work around real life.

Whether you want to lose body fat, build muscle, improve your strength, increase your fitness, prepare for an event or simply feel more confident walking into a gym — Cassie can help you get there. 

STRONG ERA COACHING

Your body. Your goals. Your Strong Era.

Meet Kamil Goscinski | The Master

Boxing Coach | Active Fighter | Strength & Conditioning

Kamil is an active fighter, experienced boxing coach and combat sports enthusiast who brings both practical fight experience and continued education into his coaching.

With 15 competitive fights, a WKO European Championships Silver Medal, and experience in both boxing and bare-knuckle competition, Kamil understands what it takes to prepare physically and mentally for competition.

Having personally reduced his weight from 106kg to compete around 76kg, Kamil has also developed specialist knowledge in combat sports nutrition, weight management, weight cutting and post-weigh-in refuelling.

His coaching can include boxing fundamentals, padwork and bagwork, strength & conditioning, plyometrics, fight-specific conditioning, tasked sparring and structured, periodised fight camps. He also uses performance testing to monitor progress and adapt training to each athlete.

Qualifications & Experience

* England Boxing Level 2 Coach

* First Aid in Combat Sports

* Safeguarding & DBS Checked

* Combat Sports Nutrition, Weight Cutting & Refuelling

* Pedagogy & Andragogy

* WKO European Championships Silver Medallist

* 15 Competitive Fights

* Boxing & Bare-Knuckle Experience

Whether you’re stepping into boxing for the first time or preparing for competition, Kamil provides structured, individual coaching built around your ability, goals and performance.