Scotland's train and bus services: The Committee will take evidence from— Greig MacKay, Director for Scotland, Bus Users UK; Islay Jackson MSYP, Deputy Convener of the Transport, Environment and Rural Affairs Committee, Scottish Youth Parliament; Robert Samson, Senior Engagement Manager, Transport Focus; and then from— Stephen Smellie, Member of UNISON’s National Executive Council and Scottish Committee, UNISON Scotland; Jackson Cullinane, Head of Unite Scotland’s Politics & Campaigns Unit, UNITE; Gordon Martin, RMT Scotland Organiser, National Union of Rail, Maritime and Transport Workers (RMT); Kevin Lindsay, District Organiser, Associated Society of Locomotive Engineers and Firemen. 4.