SHAREHOLDERS | MANAGERS | ASSOCIATES

Browse our teams and meet the individuals that comprise HSPG.

Patrick Hollingsworth is a founding shareholder of HSPG. He serves as the Director of Assurance for HSPG. His previous experience includes serving as the financial executive for a venture capital backed Software Company, and 10 years with Deloitte & Touche, LLP, including Auditing and Assurance Senior Manager. Pat has provided services to public, private, not-for-profit, universities, and government entities. Pat’s responsibilities also include leading the firm’s internal control consulting practice specializing in assisting public companies in their compliance with the Sarbanes-Oxley act of 2002. Pat is also a member of the AICPA and OSCPA.

Mark Sheets is a founding shareholder of HSPG. Before the establishment of the new firm, he had spent nearly nine years with Ernst & Young, LLP. He serves as HSPG’s Director of Tax Services, as well as serving clients of all sizes in the areas of oil and gas, real estate, large family enterprises, not-for-profit, etc. Mark graduated Summa Cum Laude from Oklahoma Christian University in 1983. He is also a member of both the AICPA and OSCPA.

Eric Percival is one of HSPG’s founding shareholders. He began his career with Price Waterhouse, and eventually joined the tax department at Ernst & Young, LLP. Eric provides tax consulting and compliance services in a variety of industries including oil and gas, health care, and real estate for corporations, closely-held businesses, trusts, and individuals. Eric graduated Summa Cum Laude in 1981 from Oklahoma Christian University. He is also a member of the AICPA and OSCPA.

David Gaither is a founding shareholder of HSPG. He has served in the areas of audit, finance and corporate accounting including experience with companies in high growth situations. He started his career with Ernst & Young, LLP. David has worked as Director of Accounting for a publicly held company responsible for all accounting functions and personnel. He has also served as CFO of an internet service provider during a registration for an IPO. David is the Director of Accounting Services, and has significant experience in designing, implementing and monitoring the processes and procedures for financial accounting systems, internal and external reporting systems and internal control systems. He is a 1981 graduate of Oklahoma Christian University. David is also a member of the AICPA and OSCPA.

Kirby Ross joined HSPG as a senior manager in 2010 after spending 10 years with Eide Bailly, LLP. He became a shareholder at HSPG in 2012, and is serving on the senior management team of the firm’s tax department. He serves clients of all sizes in the areas of oil and gas, real estate, health care, and not-for-profit. Kirby graduated in 1995 from the University of Central Oklahoma. He is also a member of the AICPA and OSCPA.

Matt Cole joined HSPG in 2014 as a senior manager, and became a shareholder in January of 2018. Prior to joining HSPG, Matt provided assurance services as a partner for a large local accounting firm in Oklahoma City. His previous experience also includes several years as an auditor for Deloitte & Touche, LLP, both in Oklahoma City and in an international office. Matt has worked with diverse clients in public and private industries. He has served clients in the not-for-profit, governmental, higher education, insurance and oil and gas industries, among others, and is a graduate of Oklahoma Christian University. Matt has participated as a member of Leadership Oklahoma City’s Signature Program, and has served in a voluntary finance leadership role for various charitable organizations.