Whitley Penn’s Oil & Gas Consulting Group Expands; Adds Three Controllers

May 2019 | Posted in Oil and Gas
Oil and Gas

Houston, TX – (May 14, 2019) Whitley Penn is proud to announce the addition of three new controllers, Gary Liu, Amy Mann, and Delhi Landrum, to our Oil and Gas Consulting Group. The expansion in our staff increases the number of oil and gas controllers at Whitley Penn from one to four.

Gary Liu has over nine years of experience working in the oil and gas industry. He has significant experience working in financial reporting and assurance. He’s performed audits in oil and gas and has worked with SOX 404 control testing, substantive audit testing procedures, 10K and Annual Reports, and quarterly SEC filings. He’s also performed various reporting functions, including preparing and reviewing financial reports, creating and reviewing journal entries, assisting in external audit inquiry and reviews, and preparing bank and limited party deliverables.

Amy Mann is an experienced controller with more than 18 years of accounting experience in the oil and gas industry. She has held various positions working in the industry. Moore had over 10 years of experience being a controller before joining Whitley Penn at various oil and gas companies. She earned a BSBA in Accounting at Oklahoma State University and earned her CPA in Oklahoma.

Delhi Landrum has more than 20 years of experience as a controller at various energy companies. His specialties include GAAP reporting, IRS regulations, property accounting, risk management, and treasury management. He’s also a part of the American Institute of CPAs, and COPAS of Dallas and served in the United States Marine Corps.

“We’re very excited to continue our growth as a group. Adding these three controllers gives us more flexibility to serve new markets and a wider range of clients in the oil and gas industry,” stated Nathen McEown, Partner in Charge of the Houston office and Co-Leader of the firm’s Energy Industry Group. “Their wealth of knowledge and years of experience will provide additional insight into the industry and will be a true benefit for our clients.”


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Whitley Penn continues to be one of the region’s most distinguished public accounting firms. With a strong base in Texas and a worldwide network affiliation via Nexia International, the firm is strategically positioned for continued growth both locally and internationally. Whitley Penn has been consistently recognized as “One of the Top 100 Firms in the U.S.” and “Best of the Best” by INSIDE Public Accounting. For more information on Whitley Penn, please visit whitleypenn.com.

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