Please answer the following question: Facts: - sport: men 's swimming - residence: cardiff , wales - caption: david roberts at the london 2008 olympic victory parade - birth date: 25 may 1980 - fullname: david evan roberts - name: david roberts - image: david roberts -lrb- swimmer -rrb- 2008.jpg - birth place: llantwit fardre , wales , united kingdom - disability class: s7 Based on these bullet points, write a short biography describing the life of david roberts -lrb- swimmer -rrb- .
A:
david evan roberts cbe -lrb- born 25 may 1980 -rrb- , is a welsh swimmer .an eleven-time paralympic gold medallist , he is one of great britain 's most successful paralympians ever .