Matrix

Martha Carnes

Carnes-Martha

Martha Z. Carnes

Martha Carnes was appointed to the Board in July and brings to the Board extensive expertise in finance, accounting and auditing across the energy and mining industries, developed during a career that spanned more than three decades at PricewaterhouseCoopers ("PWC").

Ms. Carnes retired from PwC in June 2016 after a 34-year career with the firm. There, she served as an assurance partner for large, publicly traded energy companies. She held a number of leadership positions including Managing Partner of the Houston office; as Energy and Mining leader in the U.S.; and as one of PwC's Risk Management Partners and U.S. Representaties on the firm's Global Communities Board.

She also serves on the Supervisory Board of Core Laboratories N.V. where she is currently chairman of the Audit Committee.

She chairs the Governing Board of the Greater Houston Community Foundaion, and has chaired their Compensation, Strategy and Finance & Administration committees.  She is also a Truste at Texas Children's Hospital where she serves on the Audit and Compliance; Operations, Planning and Developmet; and Risk Management and Insurance committees.

Independent Director