Mammoth Energy Services
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.
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Mammoth Energy Services
Mammoth Energy Services, Inc. is an integrated oilfield service company. The Company is engaged in the exploration and development of North American onshore unconventional oil and natural gas reserves. The Company's segments include Contract Land and Directional Drilling Services; Completion and Production Services; Natural Sand Proppant Services, and Remote Accommodation Services. Its Completion and Production Services division provides pressure pumping services, pressure control Services, flowback services and equipment rentals. Its Natural Sand Proppant Services division is engaged in selling, distributing and producing proppant for hydraulic fracturing. Its Contract Land and Directional Drilling Services division provides drilling rigs and crews for operators, as well as rental equipment. Its Remote Accommodation Services division provides housing, kitchen and dining, and recreational service facilities for oilfield workers located in remote areas.