After two years at Design College, Billy Valler spent the following five years supplying and installing bathrooms. He then spent 13 years working as a tile and stone fixer and subsequently as contracts manager for WB Simpsons. He was for 13 years a director and shareholder of numerous companies within the WB Simpson group, during which time he oversaw projects such as Wembley Stadium and Olympic swimming pools. Billy is a TTA director and has sat for ten years on the TTA Technical Committee. He has also been an inspector for a number of years.