William has served as a member of our board since 2017. He joined Deloitte & Touche USA LLP in 1967 and served in a series of roles of increasing responsibility, including as senior partner, before retiring in 2007. From 2003 to 2007, he served as the chief executive officer of Deloitte Touche Tohmatsu. From 1999 to 2003, he was managing partner of Deloitte & Touche USA. Mr. Parrett currently serves on the boards of directors of Oracle Corporation and The Blackstone Group.
He previously served on the boards of directors of Eastman Kodak Company, Conduent, Thermo Fisher Scientific, UBS Group AG and iGate. Additionally, he is a past chairman of the board of trustees of United Way Worldwide and of the board of directors of the United States Council for International Business.
He earned a Bachelor of Arts in accounting from St. Francis College.