Maribess L. Miller

Maribess L. Miller has served on our board of directors since July 2014 and serves as chairperson of our Nominating and Corporate Governance Committee and is a member of the Audit Committee. Ms. Miller was a member of the public accounting firm PricewaterhouseCoopers LLP from 1975 until 2009, including serving as the North Texas Market Managing Partner from 2001 until 2009; as Southwest Region Consumer, Industrial Products and Services leader from 1998 until 2001; and as Managing Partner of that firm’s U.S. Healthcare Audit Practice from 1995 to 1998. Ms. Miller joined the board of DR Horton, Inc. (NYSE: DHI) in November, 2019 and serves as chair of the Nominating and Corporate Governance Committee and as a member of the Audit and Compensation Committee. Ms. Miller has served as a member of the Board of Directors and Chair of the Audit Committee and member of the Compensation Committee for Zix Corporation (NASDAQ: ZIXI) from 2010-2021. Ms. Miller is also a member of the board of directors and chair of the Audit Committee and member of the Compensation Committee for Midmark Corp., a privately-held medical supply company. She was on the Texas State Board of Public Accountancy from 2009-2015, past Board Chair for the Texas Health Institute and is a Board member and past Chair of the Board of the North Texas Chapter of the National Association of Corporate Directors. She graduated cum laude with a Bachelor’s degree in Accounting from Texas Christian University. Ms. Miller is a retired certified public accountant. Ms. Miller’s extensive business experience qualifies her to serve on our board of directors.