Stephen comes from a family of Paralympic athletes, with both older sister Libby and brother James winning medals for ParalympicsGB at London 2012 in athletics and swimming.
Stephen started swimming in 2014 and quickly took to the sport, breaking through to make his major debut at the 2016 IPC Swimming European Championships in Funchal, Portugal, where he made three finals and set a new personal best in the 400m freestyle S13.
He made his Paralympic debut at Rio 2016.
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