AfterBurn Gym
AfterBurn Gym
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    • HOME
    • ABOUT US
    • PRICES
    • MEMBERSHIP
    • THE TEAM
    • FACILITIES
    • CLASSES
    • CONTACT
  • HOME
  • ABOUT US
  • PRICES
  • MEMBERSHIP
  • THE TEAM
  • FACILITIES
  • CLASSES
  • CONTACT

OUR TEAM

Jack Plumridge

Jack Plumridge

Jack Plumridge

AfterBurn Owner & Personal Trainer


Meet Jack, the driving force behind AfterBurn Fitness, established in 2016, and the subsequent launch of AfterBurn Gym in 2024. With a solid foundation in Sport & Exercise Science (BSc), Jack has dedicated himself to empowering the Liphook community since day one.


Jack's ethos centers around fostering a welcoming environment where everyone, regardless of background, feels supported on their fitness journey. His passion for inclusivity and wellness permeates every aspect of AfterBurn Gym's culture.


Outside the gym, Jack leads by example, whether he's on the rugby field with Midhurst Rugby Club or cherishing moments with his son, Alfie. Known for his adventurous spirit, Jack thrives on challenges, evident in his completion of marathons and ultra-marathons, often in the service of charitable causes.


If you're seeking to achieve the extraordinary, Jack is your steadfast ally. Together, let's harness your potential and conquer new heights of fitness and well-being at AfterBurn Gym.

Billy Pope

Jack Plumridge

Jack Plumridge

Exercise Specialist


Billy is a highly qualified Exercise Specialist with a Master’s degree in Strength and Conditioning and a proven track record of helping people move, feel, and perform better.


Before joining AfterBurn Gym, Billy honed his skills at Nuffield Health, one of the UK’s leading healthcare and well-being organisations. There, he gained invaluable experience working alongside physiotherapists, clinical specialists, and fitness professionals to deliver results-driven programs for a wide range of clients—from post-rehabilitation to peak performance athletes.


Billy’s approach combines cutting-edge sports science with a strong emphasis on functional movement, injury prevention, and long-term progress. His sessions are always purposeful, supportive, and built around your individual goals.


He’s a natural coach who thrives on seeing others grow—both physically and mentally. Whether you’re new to training or looking to take your performance to the next level, Billy brings the expertise, energy, and care to get you there.


When he's not in the gym, you'll find Billy outdoors, staying active, and constantly expanding his knowledge of human performance. He embodies the AfterBurn ethos: inclusive, knowledgeable, and passionately committed to your journey.


Ready to train smarter and feel stronger? Billy’s here to help you get there..



Holly Stuart

Jack Plumridge

Alice Kretschmar

Physiotherapist


Qualified in 2017, Holly brings NHS and rugby club experience to AfterBurn. An animal   enthusiast, particularly horses, Holly's diagnostic skills, manual therapy   techniques, and evidence-based rehabilitation advice promise a swift return   to full fitness. With her, your fitness journey becomes not only effective   but also enjoyable.


Meet Holly, your expert   physiotherapist based in Midhurst. Holly earned her qualification as a   physiotherapist in 2017 and has since made a significant impact, working in   both NHS and private settings. Her diverse experience includes collaboration   with Portsmouth Rugby Club, providing her with valuable insights and   specialist knowledge into the unique demands of human athletes.


Holly has a particular focus on pre- and post-orthopaedic surgery   rehabilitation, showcasing her expertise in addressing a wide range of   musculoskeletal issues. Her commitment to excellence is not just professional   but personal, as she is an enthusiastic and motivated physiotherapist who   loves anything animal-related, especially horses.


With Holly's exceptional diagnostic skills, manual therapy techniques,   and evidence-based rehabilitation advice, you can trust that your journey to   full fitness is in capable hands. Whether you're recovering from an injury,   surgery, or looking to enhance your overall physical well-being, Holly is   dedicated to getting you back to your optimal state.

Experience the difference with a physiotherapist who goes beyond the   basics. Trust Holly to provide personalised care that caters to your unique   needs, right here in Midhurst.

Alice Kretschmar

Alice Kretschmar

Alice Kretschmar

Personal Trainer


Alice has been devoted to her passion for strength training for over a decade when she first stepped into a gym—and she's never looked back. Alice spent the last 8 years working in hospitality and completing a BSc in Forensic Psychology. She has developed a deep understanding of people, learning how to adapt to different personalities, needs, and challenges faced in modern day society. This adaptability now plays a key role in her approach to personal training.


With her own fitness journey facing hurdles along the way, she understands first hand that training is not always linear but with the right guidance and programming, strength training can truly change your life. 


Now a qualified personal trainer, Alice is dedicated to helping others see that fitness doesn't have to be complicated. With a coaching style centred around personal experience, evidence-based practice and realistic goal setting, she aims to empower others to improve strength not just in the gym, but to build confidence and resilience in all areas of life. 


Whether your goal is to gain muscle, lose body fat or simply feel stronger and more confident in the gym, Alice is there to guide you every step of the way. Showing you that with the right support, strength training can make the rest of your life the best of your life. 

Gemma Holdaway

Alice Kretschmar

Gemma Holdaway

Personal Trainer


Gemma brings both expertise and empathy to her role as a Personal Trainer at AfterBurn Gym. 


Level 3 qualified in Personal Training, Fitness Instructing, and GP Exercise Referral.  Gemma offers a well-rounded approach to health and fitness. Her focus is on creating sustainable, realistic routines that work around her clients’ daily lives, no matter their starting point.


Gemma is passionate about helping people unlock their full potential, guiding them with patience, encouragement, and a deep understanding of the emotional and physical barriers that can stand in the way of progress.


Whether you're returning to fitness, managing a medical condition, or ready to embrace a healthier lifestyle, Gemma is here to help you build confidence and achieve lasting results—on your terms.


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