Timothy M. Leyden rejoined Western Digital in May 2007 as executive vice president, finance, and became chief financial officer on September 1st 2007, reporting to John Coyne, president and chief executive officer. He previously served in various capacities with WD from 1983 through 2000. Prior to his return to WD, Leyden was senior vice president and chief financial officer of Sage Software Inc., a subsidiary of Sage Group PLC, a U.K. public company. Before that, he had worked as a management consultant to technology based companies during 2001 with Pittiglio, Rabin, Todd & McGrath. In his earlier career at WD, Leyden served in various worldwide finance, manufacturing, and information technology capacities in the company's storage controller, semiconductor and hard drive businesses, both in his native Ireland and in the U.S. During that time, he worked closely with John Coyne, who became CEO of WD in January 2007. They worked together on the acquisition and integration teams when WD entered the hard drive business in 1988.