Robert Walker was appointed as a non-executive director of Travis Perkins "in September 2009 and became Chairman in May 2010. He is chairman of Americana International Holdings Ltd, a non-executive director of Tate & Lyle PLC and has recently been appointed chairman designate of Enterprise Inns plc. He was previously chairman of W H Smith PLC, Williams Lea Group Ltd and BCA Europe and Group Chief Executive of Severn Trent Plc. He spent over 30 years with Procter & Gamble, McKinsey and PepsiCo and has also served as a non executive director on a number of FTSE 100/250 boards." 
Robert Walker' joined the Board of WH Smith PLC "as a non-executive director in January 2005 and became Chairman on 1 February 2005. He began his career in marketing at Proctor & Gamble, then spent six years at McKinsey & Co. before joining PepsiCo International in 1976. He worked for PepsiCo Inc. for over 22 years, where he was a Division President responsible for the company's beverage business in Europe, Middle East, Africa and Asia. In May 1996 Robert joined the Board of Severn Trent Plc as a non-executive director and became Chief Executive in August 2000. Robert is a non-executive director of Wolseley Plc."