Our circle of experts, built around you, will tap into their specific expertise to design and continuously adapt your hyper-personalised journey.
OUR CIRCLE OF EXPERTS.
YOUR CIRCLE OF TRUST.

“My coach is a kind of intermediary between myself and the entire GRAM team; through him I have an endless source of expertise about sleep, nutrition, metabolism, …”
Who is part of your journey?
Our Experts Team
MATHIEU GRAM
Founder
Olympic Physical & Mental Expert Rehabilitation Specialist
Inspired by his Olympic endeavours, Mathieu has developed a powerful vision on how to achieve sustainable human performance, through your quality of life. He crafted his unique skill set and expertise on three continents through in-depth science and forging athletes who have won over 20 medals (and counting) at the Olympic Games, World and European Championships. His vision and expertise grew even stronger by broadening his field of play into the realm of the captains of industry and society. He founded GRAM as an atom structure in which the different worlds of elite-level sport, industry and society are continuously and symbiotically amplifying each other beyond levels we deemed possible.
Prof. TOON DE BEUKELAAR, MSc, PhD
Human Performance Scientist
Toon de Beukelaar, PhD is a neuroscientist focussing on the neural mechanisms of high performance and recovery. As a principal investigator at KU Leuven, he determines neural markers of the recovery-fatigue continuum and investigates the role of biorhythm and sleep in optimizing recovery.
Toon is the embodiment of evidence-based practice, as he developed extensive expertise through his research and systematically integrates this cutting-edge science into his training and coaching.
Dr. TIM SCHREUDER, MSc, PhD
Medical expert on Metabolic health & Microbiome Medicine
Gastroenterologist and hepatologist, PhD
Tim is incredibly passionate about preventive medicine and in particular the role of gut microbiota on metabolic health and performance. With his 15+ years of clinical experience as a gastroenterologist & hepatologist, he is thrilled to contribute to individual healthy ageing. After his PhD research on fatty livers, he will remain involved in scientific research. At GRAM, he is committed to further improving the program with new publications and data obtained from participants.
Dr. MICHAËL BULTHEEL, MSc
Sports Medicine, Physical Medicine and Rehabilitation
An Olympic athlete himself, London 2012 - Rio 2016, Michaël comprehends fully what it takes to aim for the moon, and hit a star. He has now made it his mission, and in consequence, dedicated his vigorous energy to pass on his experience both as an athlete and a sports doctor to those motivated enough to challenge the limits of their human performance, i.e. their physical, mental and cognitive capacity. Michaël has developed extensive expertise in load management, injury prevention and recovery strategies applying and embodying the latest physical, physiological, nutritional and mental methods. This expertise is of paramount importance in the process of Olympifying one’s capacity.
YANNICK LEFÈBVRE
Olympic Physical & Mental Expert
Yannick is an Olympic sailor. During his sailing career, Yannick combined his practice-based science through Elite sports with a Masters in Physical Education and Movement Science, specialising in personal training. During his Olympic journey, he learned to face challenges and come back stronger after defeat. As a skipper on the 49er, Yannick needs to run and trapeze fully balanced, pull with full force on ropes and handle exhaustion to still crush split-second decisions about strategy. To perform as a team Yannick and his teammate learned to install efficient communication routines and develop an Olympic team spirit based on trust and enjoyment. He has become an expert in unlocking potential in those who have the will and courage to grow. Progression through commitment, resilience and fun is how he operates. As a coach, he is committing all of his experience and expertise to strive for sustainable advancement and installing the proper habits in active dialogue with his athlete and the whole GRAM team.
RACHID HAEVELAERTS
Olympic Physical & Mental Expert
Rachid is a former high-level karate athlete who competed on the highest level. He earned national and international titles including Belgian champion, European champion and world champion WIKF.
His in-depth expertise lies in combat sport conditioning and tactical training with an in-depth focus on speed, explosiveness, hand-eye coordination and peripheral vision.
In this type of training, mental strength plays a vital role alongside physical preparation. At this moment Rachid is still engaged with athletes who compete on the highest level.
With a holistic approach, combined with commitment and passion, Rachid is a coach who will find a connection on a physical and cognitive level with his Olympic as well as his GRAM athletes.
LOÏCK LUYPAERT, MSc
Olympic Physical & Mental Expert, MSc
Loïck is an Olympic champion, World Champion and European Champion in field hockey who combined his elite sports career within the Belgian National Team, with an academic one. Together with his teammates, they pushed the boundaries of their sport, on and off the pitch, to become the most successful team in Belgian sports history. Loïck won gold with the Red Lions at the Olympics Games Tokyo2020.
Loïck is a team player who believes you can reach your goals by making the people around you better while staying true to yourself. His knowledge of fitness and mental and physical health was developed throughout his academic career and nourished by his ongoing elite sports career. By combining elite sports and studies throughout the years, Loïck became a persisting, goal-driven and disciplined person. Today he combines his elite sports career working towards the Olympics in Paris 2024 with his passion for coaching at GRAM.
WARD PELLEGRIMS, MSc
Sport Science, Olympic Physical Expert
Ward already has 13 years of experience in Olympic swimming. This coupled with his knowledge of sports science and rehabilitation makes him the expert in physical preparation towards specific goals.
Ward has a passion for high performance and technique in sports. He was part of an high performance Team behind several international medals (Pieter Timmers; Olympic Silver in Rio - 2x Bronze EC in London - Bronze EC in Berlin).
Ward guides you in seeking and achieving specific goals. He takes a holistic approach to coaching executives toward a more active lifestyle and improving quality of life.
JOLIEN LEWYLLIE
Sports Nutritional Expert
An expert in sports nutrition for endurance athletes & team sports, both by study as well as by applying her extensive training regimen. She tops it up with an advanced sports nutrition education at the BARCA Innovation HUB Universitas.
She crafted her Olympic-level expertise by working with Lotto Soudal and individual top athletes in cycling, sailing and swimming.
As a 2x Iron Man winner and finisher of the Transalpine run, she knows what it means to be dedicated to reaching a goal.
Now she wants to pass her energy to others to guide and inspire them on their journey to reach their own specific goals.
THOMAS DE MEERSMAN
Operational Manager
With his youthful enthusiasm, Thomas knows how to inspire the people around him to always approach life positively and to do what makes their heart beat faster. He combined his studies in Physical Therapy and Rehabilitation Sciences with a postgraduate Sports Management, which makes Thomas a jack-of-all-trades in marketing, event management and back office.
There is no lack of drive and motivation as he always tries to give the best of himself, not only for GRAM but also on a sports level.
Thomas breathes sports; he has been playing tennis all his life and for a few years you can also find him on a padel court - a real competition animal. "Fighting back from an almost lost position, both the mental and physical battle that you are fighting at that moment with your biggest opponent, yourself - that is what I live for."
Therefore, Thomas sees problems as challenges that can only be overcome.
