About Me
My Story
I’m Isaak Marshall, the founder of Performance Marshall. I’m a training coach with a lifelong passion for sports performance, health and fitness.
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I’ve been involved in competitive sport for over 25 years, a passion nurtured during my childhood in the sport loving nation of South Africa. I attended an all boys High School in England that put an emphasis into sports performance with activity and competition built into daily life. After High school I attended the University of Bangor in Wales where I graduated Bsc. Zoology.
During my time in UK I had the opportunity to compete in a variety of different activities including: Rugby Union, Rugby League, Soccer, Cricket, Basketball, Badminton, Field Hockey and American Football. Around age 15 I began to focus my training efforts towards American football and am honoured to have represented the Great Britain National team, including as a Captain of the GB Jr. team in 2012 and 2013. Since 2017 I’ve been employed as a semi-professional athlete playing American Football in Europe and giving me valuable insight into what it takes to perform at a high level both physically and mentally.
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I’ve been coaching others for almost as long as I've been playing sport. I co-ordinated training sessions with my friends and teammates whilst in high school and university, helping my peers to programme their workouts. Then in 2016/17 I acted as the Strength and Conditioning coach for the Bangor Muddogs (University Sport Team) and more recently I have been the Head Coach for Mikkeli Bouncers Women (2021/22) and Kuopio Steelers Women (2023-2026) American football teams in Finland. I have worked with people of all backgrounds from those simply looking to improve their general health to athletes chasing high levels of performance. In 2025 I decided to turn my passion for coaching into a business, creating Performance Marshall to help people progress towards their health and fitness goals.
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At Performance Marshall, I specialise in helping sports participants become more athletic and confident in their performance. But my work goes beyond sport, more than anything I love to contribute to the personal growth and progression of those around me no matter what goals or starting points they have. There’s nothing more rewarding than seeing someone commit to their goals, put in the work, and witness their progress - whether that’s on the field, in the gym or simply in everyday life.
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So if you're interested in an energetic coach excited to share in your fitness journey and help you reach your full potential then contact me and lets get started!
Performance Marshall - Passionate about your performance.