Mercedes Johnson was the senior vice president and chief financial officer of Avago Technologies Limited, a supplier of analog interface components for communications, industrial, and consumer applications, from December 2005 to August 2008. She also served as the senior vice president of finance at Lam Research Corporation from June 2004 to January 2005 and as Lam's chief financial officer from May 1997 to May 2004. Ms. Johnson currently serves on the board of directors for Juniper Networks, Inc.; Teradyne, Inc.; and Synopsys, Inc. She also served on the board of directors of Intersil Corporation from August 2005 to February 2017. Ms. Johnson holds a degree in accounting from the University of Buenos Aires. Ms. Johnson is the chairman of the board of directors' audit committee and finance committee.