Harry grew up on a farm in Holland. While playing football he started coaching and by the age of 21 he was a UEFA A Licence coach. Today he works in a sport college and delivers KNVB coaching courses. His journey seen him work in Holland with Willem II and he helped develop Virgil van Dijk. While in England he enjoyed coaching spells at the Academies of Middlesbrough FC and Sunderland. Here he had a talented U14 team that included Jordan Henderson.