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Australia Yiannis Fleming, also known as Mr. Sport, is a Performance Coach and Nutritionist dedicated to making effective nutrition accessible to the public, from professional athletes to individuals seeking healthier lifestyles.
Founder, Managing Director and the face of 'Mr. Sport'. This organisation is a nutrition consultancy aiming to empower individuals of all abilities.
Yiannis aims to make effective nutrition more accessible to the public through guest speaking, online articles and precise coaching.
Creator of @rehydr8official.
Yiannis Fleming aka Mr. Sport is a Performance Coach from the UK specializing in nutrition. He has worked with individuals from various backgrounds.
Contributed to 'The 11 Best Creatine Supplements, Tried and Tested' article.
Yiannis Fleming has established himself as a leading figure in nutrition and athletic development. His academic background includes a Master of Science (MSc) in Athletic Development and Peak Performance from Southampton Solent University, completed in 2015. Prior to this, he earned a Bachelor of Arts (B.A.) in Sport Coaching and Development from the same university in 2014. Further enhancing his expertise, Fleming completed a Diploma in Human Nutrition from Stanford School of Medicine in 2016, focusing on understanding the role of nutrition in health, macronutrients, and vitamins. He holds certifications as a Certified Clinical Nutritionist (CCN) from Mac-Nutrition Uni (2020) and a CISSN from the International Society of Sports Nutrition (2016). His early career began in sports coaching, starting as a Tennis Coach at Broadstairs and St Peter’s Tennis Club in 2008, and progressing to roles such as Tennis Development Coach at Active Nation until 2014, and Sports Coach for the University Men’s Tennis team at Southampton Solent University until 2015.
In 2015, Yiannis Fleming founded Mr. Sport, an organization providing nutrition consultancy to individuals across various sectors. As Managing Director and Head Nutrition Coach, he works with a diverse clientele including UFC/MMA fighters, tennis players, professional football and rugby players, and public figures, assisting them with health improvement, body composition goals, and athletic performance. Through Mr. Sport, he offers online plans and resources, emphasizing evidence-based nutritional advice. Concurrently, since April 2021, he has served as a Performance Nutritionist for JustGiving, where he provides specialized advice and content for marathon runners, focusing on pre, intra, and post-workout recipes and hydration strategies. His commitment to disseminating accurate nutritional information is also evident in his extensive written work, with articles published on platforms like LinkedIn covering topics from supplements to fat loss.
Fleming has been featured in various health and fitness publications, including Muscle and Strength, Myprotein, and Food Matters. He is a co-host of The Mr. Sport Podcast and the creator of Rehydr8, a custom electrolyte powder. His career progression highlights a transition from grassroots sports coaching to specialized performance nutrition and entrepreneurship, driven by a mission to combat misinformation in the dietary space. He actively engages in guest-speaking opportunities to present on essential methods for improving health, body composition, and performance, aiming to make proper nutrition accessible and understood by a wider audience.
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