 Brown was president of the Chartered Institute of Logistics and Transport for one year, having taken over at the end of May 2008.He was appointed to the board of High Speed Two Ltd in 2012, where he has served as the chair of the remuneration committee since July 2012.During late 2012, Brown was commissioned to undertake an independent review of the system of rail franchising in Great Britain for the United Kingdom's Department for Transport.