 Derwin akatengesa nzvimbo yake yokurovedza mutemo muna 1992 kuti ave Mukuru Mukuru weSurf Life Saving Australia, chinzvimbo chaakabata kusvikira muna 1996. Derwin akanga ari Chief Executive Officer weAustralia Paralympic Federation kwenguva ya1997 kusvika 1999. Munguva iyi, sangano rakachinja zita raro kuva Australian Paralympic Committee uye rakagadzirira vatambi veAustralia ve2000 Sydney Paralympics. Pakati pa1999 na2008, aive Chief Executive Officer weBasketball Australia. Achiri kuita basa iri, Derwin akakwanisa kubatanidza Basketball Australia neNational Basketball League neWomens National Basketball League. Akabva atamira kuSunshine Coast, Queensland muna 2009 uye ave achibatanidzwa mukutungamira kwemitambo mudunhu rino. Muna 2011, akava Sachigaro weSunshine Coast Sports Federation uye Sachigaro weBid Committee 2016 Australian Surf Lifesaving Championships, Sunshine Coast. Mushure menguva ari Sachigaro weBasketball Queensland, akazova Sachigaro weBasketball Australia muna 2012. 