Stephanie K. Mains has served as a director of Diamondback since April 2020 and chairs the audit committee. She has over 30 years of experience across the aviation, energy and transportation industries, including leadership roles at GE Energy and as President and CEO of GE/ABB Industrial Solutions. She currently serves on the boards of Gates Industrial Corporation and LCI Industries and holds a B.B.A. in Finance from the University of Kentucky.