Aaron Roark
Chief Executive Officer at Cimarron Electric Cooperative- Claim this Profile
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Bio
Credentials
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Certified Public Accountant
State of Oklahoma
Experience
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Cimarron Electric Cooperative
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Utilities
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1 - 100 Employee
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Chief Executive Officer
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Mar 2022 - Present
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Chief Financial Officer and Director of Human Resources
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Dec 2019 - Mar 2022
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Devon Energy
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United States
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Oil and Gas
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700 & Above Employee
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Expenditure Accounting Manager
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Jul 2018 - Oct 2019
• Led team of 80 responsible for all aspects of joint venture, accounts payable and outside operated property accounting as well as DevonDirect (stakeholder relations call center). • Implemented intelligent automation technology to achieve efficiency gains across AP, OBO and JV functions.
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Accounts Payable Manager
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May 2014 - Jul 2018
• Led team of 60 responsible for all aspects of AP functions for $7-$20 billion in annual spend. Member of leadership team responsible for SAP Ariba and SAP Concur implementations. • Team achieved best in class results in invoice processing and duplicate payment prevention.
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Operations Accounting Supervisor
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Nov 2011 - May 2014
• Coached and developed team of 15 to manage invoice workflow activities for 80,000 monthly invoices from 13,000 vendors. Accounting Intern Program coordinator. • Initiated monthly AP Scorecard to track and monitor 50 AP measures and metrics resulting in improved accuracy and better personnel management with reduced costs. • Ensured all aspects of $1 billion in outgoing monthly payments processed accurately within guidelines of established internal control environment. • Managed… Show more • Coached and developed team of 15 to manage invoice workflow activities for 80,000 monthly invoices from 13,000 vendors. Accounting Intern Program coordinator. • Initiated monthly AP Scorecard to track and monitor 50 AP measures and metrics resulting in improved accuracy and better personnel management with reduced costs. • Ensured all aspects of $1 billion in outgoing monthly payments processed accurately within guidelines of established internal control environment. • Managed non-technical aspects of SAP implementation for AP Staff and field office stakeholders. • Guided transition and significant hiring for AP reorganization following Houston office closure, resulting in elimination of redundant processes and diversity of practices.
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Lead Accountant - Revenue Accounting
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Nov 2008 - Nov 2011
• Led team of revenue accountants to record and distribute $300 million in annual revenue. • Managed Powder River rebook project to rebook 12 years and $1 billion of revenue in 6 months. • Organized cross-functional team to develop paperless processes. Initiative resulted in annual savings of $141,000 and increased efficiencies in Accounting and Records Management.
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Senior Internal Auditor
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May 2005 - Nov 2008
• Performed corporate financial and operational audits including Long-Term Incentive Plan, Accounts Receivable, SCADA, Corporate Travel, Field Office and Executive Expense Reports. • Performed internal control reviews on as part of SOX compliance efforts.
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American Airlines
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United States
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Airlines and Aviation
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700 & Above Employee
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Various Accounting & Finance Roles
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May 1998 - May 2005
Accounting Supervisor – Receivables / Credit Card Services Senior Financial Analyst – Maintenance and Engineering Strategic Planning Business Systems Analyst – Canadian Accounting Services Accounting Supervisor – Receivables / Credit Card Services Senior Financial Analyst – Maintenance and Engineering Strategic Planning Business Systems Analyst – Canadian Accounting Services
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Education
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Oklahoma State University
Master of Business Administration (MBA) -
Southwestern Oklahoma State University
Bachelor of Science, Finance