Alison Williams is Chairman of the FDS Group of Companies which she founded in 1981, and is also the first Chairman of the Field Marketing Council for the DMA. Previously Chair of the Field Marketing Association, she has held the chair of the industry body for 11 years. Roddy Mullin is both a Chartered Engineer and a Chartered Marketer. He has been a consultant for marketing and sales for the past two decades, and is a Vice President of the Central London brand of the CIM as well as a member of the Worshipful Company of Marketors' task force for marketing in the UK. He has written or co-authored several other books for Kogan Page including the bestselling Sales Promotion .