Born in Farnborough in Kent and growing up in West Wickham, Sean King made his senior international water polo debut for Great Britain at the Comen Cup in Malta in 2008.
He went on to compete for GB at the London 2012 Olympic Games before becoming a teacher at Trinity school in Croydon.
Sean also played domestically for Invicta while turning out in Germany at a professional level for SV Weiden.