Redmond became deputy leader of the Liberal Party on 4 July 2009 after party leader Martin Hamilton-Smith called a leadership and deputy leadership spill. Hamilton-Smith retained the leadership, with Redmond replacing Vickie Chapman as deputy leader. Hamilton-Smith called a second leadership spill after a close 11–10 vote, and a few days later did not nominate for the leadership position. On 8 July 2009, Redmond was elected leader against Chapman by a 13–9 vote. Steven Griffiths was elected deputy leader by an 8–6 vote Mitch Williams. He stepped down from the deputy leadership after the 2010 election to be replaced by Hamilton-Smith.