Mary P. Ricciardello, 64, joined the board of directors in 2007. She is currently a director of Eagle Materials Inc. and serves on the audit committee. Ricciardello is also a director of NobleCorp. plc where she serves as chairperson of the audit committee and as a member of the nominating and governance committee. In addition, she serves on the executive council of the National Association of Corporate Directors (NACD) Tri-Cities Chapter and received the NACD designation “Board Leadership Fellow”. Ricciardello retired in 2002 after a 20-year career with Reliant Energy Inc., a leading independent power producer and marketer. Ricciardello served in various financial management positions with Reliant, including comptroller, vice president and most recently as senior vice president and chief accounting officer. She is a certified public accountant and holds a bachelor’s degree in business administration from the University of South Dakota and a master’s in business administration from the University of Houston. Ricciardello recently completed the NACD Cyber-Risk Oversight Program and earned the CERT* Certificate in Cybersecurity from Carnegie Mellon University.