Lyressa Roberts

Lyressa Roberts brings extensive experience in finance and accounting, currently serving as the Assistant Controller for the Corporate Division at Mammoth Energy Services since April 2016. In this role, Lyressa developed reconciliation processes in compliance with Internal Controls (SOX) and managed balance sheet accounts. Prior positions include Revenue and Financial Systems Manager at XOMA, where oversight included the Fixed Assets Database and system improvements in collaboration with IT. Additionally, Lyressa held various accounting roles at XOMA, AppShop, DivcoWest, The Southland Corporation (7-Eleven), and Andrews Transport LP. Educational credentials include an MBA in Global Business Management and a BBA in Finance and Accounting from the University of Phoenix.