MEET THE TEAM

Johno Meintjies, JEFF founder, is a powerhouse of positivity, passionate about fitness and health and the profound impact it has on one's life. He is an international sports conditioning specialist and performance coach that has worked with South Africa's top national sports teams, affording him substantial experience in the field. With boundless energy that fuels his deep desire to empower people with simple, yet profoundly effective tools, he inspires the JEFF community to level up their health and fitness, and ultimately thrive.

✓ Sports Conditioning
✓ Weight Management
✓ Strength Training
✓ Fitness & Nutrition
✓ Marathon Training

Juls Meintjies, the unofficial mother of JEFF, is a qualified kettlebell instructor and makeup artist with several years experience working in the pharmaceutical industry under her belt. She is a family-oriented wife and mom to two bubbly girls, and passionate about helping women grow their self-confidence. She openly offers her encouraging and empathetic guidance toward a balanced life to the JEFF community.

✓ Sports Conditioning
✓ Weight Management
✓ Strength Training
✓ Fitness & Nutrition

Seri Kravitz, currently based in the USA with her treasured family in tow, is a professional water polo player with over 10 years international experience. She sports a big heart and a fiery passion for coaching clients on the profoundly positive impact that exercise has on one's life. Aptly nicknamed the 'Queen of Darkness', Seri pushes her clients to realise their worth through the healing powers of fitness, health, and a positive mindset!

✓ Sports Conditioning
✓ Weight Management
✓ Strength Training
✓ Fitness & Nutrition
✓ Marathon Training

Edgar Katushabe, an elite South African powerlifter with a background in biokinetics and a master’s in human movement science, is powered by his passion for strength, conditioning, and the amazing capabilities of the human body. With a happy and enthusiastic personality that permeates into his unique style of training, he forms lasting bonds with his clients. He’s excited to have an open conversation with you about what makes you tick, and why.

✓ Weight Management
✓ Strength Training
✓ Fitness & Nutrition
✓ High intensity interval training

Dominique Leclercq is our JEFF physiotherapist and pilates instructor, currently pursuing her master’s degree in women's health. As an endurance athlete Dominique delights in testing her physical boundaries with a positive attitude and smile on her face. If she’s not pursuing her passion for helping you along your unique health and fitness journey, you’ll find her seeking adventures with her mountain bike.

✓ Strength Training
✓ Nutrition
✓ Women’s Health
✓ Pilates
✓ Pregnancy and return to sport post-partum

Greg Mallett is a fitness instructor with 15 years experience, as well as sporting experience in water polo and provincial rugby. Coming from a lineage of coaches and teachers, Greg emanates an infectious passion for health, fitness, and nutrition. Having previously undergone major surgery, he's returned to the fitness industry with a host of life lessons that empower his clients to realise their health and fitness dreams. Greg is nurturing and enthusiastic and can lead you along the road to success.  

✓ Fitness and Nutrition
✓ Sports Conditioning
✓ Weight Management

Amy Wilson Hardy comes to JEFF with years of sporting experience in rugby, having competed in the Rio Olympic Games, Gold Coast Commonwealth Games, and more. Motivated by that post-workout high, she inspires her clients to give it their all when reaching for their health and fitness goals. Outside of rugby and training hard, she loves being outdoors, cooking, and relaxing evenings snuggled up on the sofa with her boyfriend and two dogs.

✓ Sports Conditioning
✓ Weight Management
✓ Strength Training
✓ Fitness & Nutrition

Kathleen Boyse is a certified yoga teacher and mental health advocate. At the heart of her teaching technique, inspired by her mother's 30-year dancing career, Kathleen sets out to promote the deeply healing benefits of yoga and meditation, both mental and physical. As a lifelong learner she stays on top of the latest practices to continually evolve, grow, and bend alongside her students.

✓ Yoga
✓ Mindfulness
✓ Fitness & Nutrition

Coach Joseph is a firm believer that through creating holistic lifestyle changes one can positively affect the development and advancement of the human mind and body.

With an honours degree in psychology, he is extremely passionate about helping others become the best versions of themselves. Coach Joe’s approach is to lead by example, hold his clients accountable, and provide them with an individualised plan to succeed.

High-intensity training, running, swimming, squash, and yoga describe Coach Joe’s weekly routine. With personal training experience and leading an active lifestyle over the past few years, he understands the importance of balance and moderation when it comes to implementing lifestyle changes.

As a proud member of the LGBTQ community, Joseph strives to create a safe space for individuals, helping them find confidence within themselves, no matter their circumstances.

“It takes courage to seek a more fulfilling and happier life and to take the first steps towards change. If you are ready to take that step, I am here to support and empower you.”

✓ Fitness & Nutrition
✓ Weight Management
✓ Strength & Conditioning
✓ Behaviour Change

Adrian, head of Nutrition at JEFF, is a qualified sports scientist, dietitian and performance nutritionist. He believes that a well-structured training plan needs to tie in with a tailored nutrition plan to achieve the best results on one’s personal health and fitness journey.

Adrian grew up with a bat in his hand or a ball at his feet. He loves long-distance running, having completed numerous ultra marathons and will squeeze in a run wherever he can. He is a husband and dad of two and enjoys adventuring on the mountain with his family.

His passion for sport, exercise, and good food is tangible in his efforts to encourage others to appreciate what their bodies can do – all the while enjoying the journey along the way.

✓ Sports Conditioning
✓ Fitness & Nutrition
✓ Marathon Training

Coach Cath is a practicing biokineticist for the past 5 years with a master’s degree in human movement science. She is a passionate and energetic fitness fanatic with a great love for adventure and the outdoors.

Coach Cath’s background in sports, fitness, and living a healthy life includes tennis, diving, running, and hockey. Most recently, Coach Cath has put her body and mind to the test by competing in a number of triathlon events, and her greatest achievement to date is the Ironman 70.3 World Championship that took place in Nice, France in 2019.

Coach Cath is a determined and hard-working athlete in her own right, and she works closely with her clients to develop this same level of commitment to achieve their personal goals. She is a people person who loves to develop personal relationships with her clients. You will always find her smiling as she makes her workouts fun, demonstrating that exercise is not a chore but rather an enjoyable activity.

When Coach Cath is not smashing out a training session she can be found walking her puppy on the beach or catching up with friends in a local coffee shop.

Coach Cath is here to help you achieve your goals in a fun and exciting way.

✓ Fitness and Nutrition
✓ Strength and Conditioning
✓ Sports Conditioning
✓ Weight Management
✓ Rehabilitation
✓ HIIT Training

Coach Jacqui comes to JEFF with an honours in human movement sciences, ignited by her drive and passion for health and wellness. With a strong background in sports, Jacqui was led straight into the high-paced industry of health and fitness.

A strong believer in the power of focus, Coach Jacqui knows that everyone is capable of achieving whatever they put their mind to. Encouraging clients to do their best and witnessing their journey toward self-belief is her goal. Coach Jacqui enlivens her clients’ determination, reminding them of their potential to achieve their goals.

If there's one formality that she understands, it’s to make time for yourself. It isn't easy, but certainly achievable and ultimately so rewarding.

Hailing from Johannesburg, South Africa, Coach Jacqui is a mom of three and rocking it.

✓ Weight Management
✓ Sports Conditioning
✓ Fitness & Nutrition
✓ Post-partum Fitness

Coach Janelle studied sports and nutrition through the Canadian NAASFP association and is a certified marathon coach, and qualified in cognitive behavioural therapy. She is passionate about health and ensuring her clients reach their genetic potential. She loves taking part in CrossFit competitions as well as the Comrades Marathon, and is motivated by testing not only her physical capabilities but enhancing the mental toughness that comes with endurance sports.

Spending quality time with her children and family is an important aspect of Coach Janelle’s life. She believes there is always a reason to smile and approaches her client relationships with a positive, encouraging, and upbeat energy.

✓ Marathon training
✓ High intensity interval training
✓ Weight management
✓ Fitness & Nutrition
✓ Functional training

✓ Sports Conditioning
✓ Weight Management
✓ Strength Training
✓ Fitness & Nutrition
✓ Human Physiology

Coach Jenna brings with her 10 years experience as a biokineticist, working with road and trail runners with a variety of chronic and orthopaedic conditions. Through her chosen career she has been able to live out her passion for movement, connecting with people from all walks of life.

From an early age Coach Jenna competed in numerous sporting activities. Currently she plays competitive hockey and is also focused on ultra running, having completed 7 Comrades Marathons to date with a goal of joining the Green Number Club. Between working, running, and hockey she has learned the importance of a proper balance of nutrition, rest, and exercise, as well as the value of being a part of a team.

As a previous JEFF 1-on-1 client she understands the program in detail, how to incorporate it into a busy work-life schedule, and can pay testimony to the program's effectiveness and the positive impact the JEFF team has on its members.

Coach Jenna is an encourager and thrives on walking alongside her clients as they embark on their personal fitness and wellness journeys. She loves to connect with others and through her understanding and compassionate personality she is able to get the best out of her clients by teaching them how to create lasting, positive change.

✓ Weight Management
✓ Marathon Training
✓ Strength Training
✓ Fitness & Nutrition
✓ Rehabilitation
✓ Mindset

✓ Sports Conditioning
✓ Weight Management
✓ Strength Training
✓ Fitness & Nutrition
✓ HIIT Training

✓ Nutrition
✓ Weight Management
✓ Fitness
✓ Strength & Conditioning

Coach Lauren has a 10-year background in the hospitality and catering industry that has taught her resilience, perseverance, and a love for people and food. She has always been driven to succeed, and through some difficult life lessons has come to realise that her purpose is to give back and to be of service to others. Having succeeded in pulling herself out of her rock bottom in December 2015, she began the journey of a sober life, learning how to trust herself and her passion for fitness and nutrition.

Coach Lauren strives to reassure and encourage her clients to live out their dreams, as she did. She is driven by her desire to offer this help with compassion, acceptance and understanding.

Prioritising fitness and movement as her daily therapy has allowed her to cultivate mental, emotional, and physical strength. Her systematic approach to fitness and nutrition from a holistic standpoint has played a pivotal role in how she has become the woman she is today - overcoming insecurities to gain authentic self-confidence.

✓ Fitness and Nutrition
✓ Strength and Conditioning
✓ Sports Conditioning
✓ Weight Management

✓ Strength Training
✓ Nutrition
✓ Pilates
✓ Functional Fitness
✓ Post Partum Fitness
✓ Body Positivity
✓ Behaviour Change

✓ Nutrition
✓ Strength Training
✓ Weight Management
✓ Fitness

✓ Sports Conditioning
✓ Weight Management
✓ Fitness & Nutrition
✓ Lifestyle-related health conditions

✓ Fitness & Nutrition
✓ Strength Training
✓ Weight Management
✓ Sports Conditioning
✓ HIIT

✓ Nutrition
✓ Weight Management
✓ Fitness
✓ Strength & Conditioning

✓ Sports Conditioning
✓ Weight Management
✓ Strength Training
✓ Fitness & Nutrition
✓ Human Physiology

✓ Sports Conditioning
✓ Weight Management
✓ Strength Training
✓ Fitness & Nutrition
✓ Marathon Training

✓ Weight Management
✓ Strength Training
✓ Fitness & Nutrition
✓ High intensity interval training