David F. Walker

David F. Walker has been a director since 2005. He served as Board Chair from 2015 to 2020. He also serves on the board of directors of CommVault Systems, Inc., a data management software company, and Mr. Walker formerly served on the boards of CoreLogic, Inc., Paradyne Networks, Technology Research Corporation and First Advantage Corporation. In addition, he was the Director of the Accountancy Program at the University of South Florida from 2002 through 2009 and led the school’s Program for Social Responsibility and Corporate Reporting. Mr. Walker was a partner at Arthur Andersen LLP from 1986 until 2002 and led the firm’s assurance and business advisory services practice in the Florida/Caribbean region. Mr. Walker is a certified public accountant and certified fraud examiner. He has been deemed by the Board to be an Audit Committee Financial Expert and was recognized as an NACD Board Leadership Fellow from 2015 to 2021.

Mr. Walker has experience on other public company boards, a distinguished former role in academia, governance expertise, and former service at a global accounting firm, which provides the Board with significant leadership, financial and public company oversight experience.