Graham, who has been at Future since 2000 and was appointed Group CFO in 2011, will leave after the company's preliminary results in November to pursue other career opportunities.
Mark Wood, Chief Executive, said: "We are indebted to Graham for his tremendous contribution to Future's development over many years and in particular his recent success in strengthening the balance sheet. We wish him every success with his future plans."
Zillah Byng-Maddick was CFO at Trader Media Group from 2009 to 2012 and interim CEO from 2012 to 2013. She will join Future on 1 November and formally take over as CFO on 18 November. Zillah is a non-executive director at Betfair plc and Mecom Group plc.
Mark Wood said: "Zillah has an outstanding reputation and her experience of leading a successful and rapid transition from print to digital at Trader Media Group is of enormous value to us at this time. She will help transform Future, accelerating the pace of change, which is key to us building a more profitable digital business."
Future will present its results for the financial year ended 30 September 2013 on 22 November and will issue a trading update as planned in mid-October.
