What we do The team Trustees Clive Warner Clive Warner is the Hon. Treasurer of the BTA. He is a Chartered Accountant who trained with KPMG. Since qualifying, he has held senior financial positions at retail and leisure companies including Timpsons, Woolworths, UCI Cinemas and NAAFI. Coming from a family where charity has always played an important part, in 2013 Clive decided to enter the charity sector in a professional capacity and became CFO of Retail Trust. Clive enjoys music, keeping fit and spending time with his family.