Celena Matlock

Chief Audit, Risk & ESG Officer

Celena Matlock serves as Chief Audit, Risk & ESG Officer for Sierra Space. She leads the company’s strategy on ESG, integrating the company’s vision of building a platform in space to benefit earth and focus on making a unique and impactful difference within the company and community, and for customers and shareholders. Celena also leads the Company’s Internal Audit and Compliance organization, taking an enterprise-wide proactive approach to stay ahead of risks and guide leadership to the successful achievement of the company’s strategic business objectives. This includes establishing the vision for the Internal Audit and Compliance function to delivery of risk mitigation solutions, development of the framework for an effective control environment over financial reporting, IT, government compliance requirements, ESG and operational processes, and formalization of the ERM framework and approach.

Previously, Celena was Senior Vice President, Internal Audit for Aerion Supersonic, a high-tech mobility company focused on supersonic aviation.  In this role Celena was responsible for Internal Audit, Financial Compliance, and the broader Enterprise Risk Management function. Her responsibilities also included leadership over public company readiness and enterprise-wide system implementations.

Celena has also served in successive leadership roles across Internal Audit and Financial Compliance at Turner Broadcasting System, Inc. and its parent company Warner Media, leading up to her role as Executive Director of Financial Compliance for Warner Media. 

In this role she led all global financial compliance activity for the $33+ billion company with teams across the US that focused on internal control strategy over IT and financial reporting, business process improvement and enhancing operating efficiencies, governance and reporting on Sarbanes-Oxley requirements, and addressing risks across the enterprise. Celena has also served in leadership roles at Ernst & Young, LLP with a scope of work that focused on assurance and advisory services.

Throughout her career Celena has been a business leader focused on Diversity, Equity & Inclusion (DEI).  In addition to leading high-performing diverse teams, she has chaired Business Resource Groups, performed workplace culture assessments, and help companies develop DEI strategies, roadmaps and trainings that foster growth and change. 

Celena earned her BS in Business Administration, Accounting from Boston University, and is a CPA. She also holds the Diversity & Inclusion for HR certification from Cornell University.   Celena is committed to serving the community and a passionate advocate for education, women, and wellness.  Celena currently serves on the Boards of Sheltering Arms and St. Martin’s Episcopal School, is an Advisory Audit Committee Member for the City of Brookhaven, and a graduate and active member of Leadership Atlanta.  She is also a member of The Institute of Internal Auditors and Georgia Society of CPAs.

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