Staci was appointed as the Auditor of Public Accounts (APA) by the Virginia General Assembly in February 2021 and reappointed in February 2025. She previously served as the Deputy Auditor from February 2013 through her appointment as the Auditor. Staci earned her Bachelor of Science in Commerce (Accounting) from the University of Virginia.

Staci has performed a variety of roles during her 31 years at the APA including serving as the director responsible for the Reporting and Standards Specialty Team, which is responsible for reviewing and responding to exposure drafts for new auditing and accounting standards and determining the impact of new standards on audits the APA performs. She also served as the project manager for the audit of Virginia's Annual Comprehensive Financial Report from 2002 to 2012. In addition, she had oversight of the compilation of the Comparative Report of Local Government Revenues and Expenditures and the quality control review process the APA performs over certified public accountants that conduct audits of Virginia's local governments.

In addition to her experiences at the APA, Staci has been active and held leadership roles in several outside organizations including the National Association of State Auditors, Comptrollers, and Treasurers (NASACT) and its sub-organization the National State Auditors Association (NSAA); the Virginia Society of Certified Public Accountants (VSCPA); and the American Institute of Certified Public Accountants (AICPA). She currently serves as Co-Chair of NASACT's Committee on Accounting, Reporting, and Auditing (CARA) and is also a member of the CARA Subcommittee for Governmental Accounting Standards Advisory Council Input. Additionally, she serves as the Chair of NSAA's Audit Standards and Reporting Committee and as a member of NSAA's Peer Review Committee. In 2022, Staci was the recipient of NSAA's Distinguished Service Award and NASACT's President's Award. Staci's extensive involvement with the VSCPA includes serving on the Accounting and Auditing Committee, Finance Committee, and on the Nominations Committee. She also held multiple leadership roles with the VSCPA including serving on the Board of Directors, Executive Committee, and as Chair of the Board in 2017-2018. Staci previously served on the Governing Council and Compliance Audit Task Force of the AICPA and currently serves as a member of the Auditing Standards Board.