Brittany Parcell, CPA

Co-Founder and Partner

Professional Summary

Brittany Parcell is a Co-Founder and Partner at Bydand Advisory, specializing in oil and gas operational accounting, internal control design and monitoring, and business process optimization. She helps clients establish a solid foundation for accounting functions to ensure accuracy and reliability of financial information in a manner that is sustainable and adaptable as businesses change. 

 Brittany has a proven track record of leading high-performing accounting teams and fostering a culture of excellence. She has successfully implemented scalable accounting systems and utilizes technology to improve workflows, reporting, operational efficiency, and ensure audit readiness. Brittany also has extensive experience leading accounting transitions resulting from mergers and acquisitions, including data migration and integration, organizational change management, and settlement statement preparation.

Education & Certifications

  • Bachelor of Business Administration (BBA), Accounting and Finance, University of Oklahoma (2003–2006)

  • Master of Business Administration (MBA), Oklahoma State University (2007–2008)

  • Certified Public Accountant, Oklahoma

Professional Experience

Citizen Energy – Tulsa, OK (2018-2025)

Controller

  • Oversaw operational accounting functions for a business with $1BN+ in revenues and multiple business segments and subsidiaries

  • Administered ERP system including designing system processes and controls and developing technology-driven reporting and analysis

  • Established systemized, scalable business processes to facilitated the integration of $2BN+ asset acquisitions by leveraging scalable business process design

  • Oversaw the design, implementation and monitoring of the company’s system of internal controls

  • Led cost recovery initiatives, optimized working capital efficiency, and executed COPAS-compliant joint interest management, safeguarding company value through strategic asset divestitures

  • Implemented initiatives that enhanced non-operated accounting, recovering millions of dollars through JIB audits, ownership validation, and trend analysis

Samson Energy Company – Tulsa, OK (2006-2018)

Accounting Supervisor

  • Manage accounting team responsible for revenue distribution, regulatory and indirect tax compliance, and owner relations

  • Established system of controls for analyzing revenue transactions to confirm accuracy

  • Led ERP system implementation