About — Hundred Spires Advisory

Sander Abernathy, CPA — Founder & Principal

Sander Abernathy is a finance transformation leader with deep experience inside private equity-backed companies navigating ERP implementations, audit buildouts, complex transactions, and broken close processes.

The work has been done inside organizations under real pressure — managing timeline risk on ERP implementations, building internal audit functions from nothing, and stabilizing finance teams through restructuring. A current focus is the practical integration of AI into finance operations — building real capability, not theoretical frameworks.

Senior-only delivery. Clients work directly with the principal throughout — no account management layer, no handoff to junior staff.

Systems over workaroundsBuild the right structure, not patches on broken foundations.

Automation over laborEvery repeatable task is an opportunity to eliminate manual work.

AI as infrastructureThe new baseline for a competitive finance function, built deliberately.

Background & Credentials

Designation	Certified Public Accountant (CPA)
Standard	US GAAP — private company focus
Background	Private equity-backed operating environments
ERP Systems	NetSuite · Dynamics SL · Oracle EPM (Hyperion)
SMB Stack	Xero · QuickBooks Online · Bill.com · Gusto
Analytics	Power BI · Tableau · Excel (Power Query) · Python
IA & Risk	Internal audit · ERM · Audit committee reporting
Transactions	M&A · Fresh start accounting · ASC 842 · ASC 606

Deep experience in ERP implementation · Close acceleration · AI automation · Internal audit · Fresh start accounting · PE-backed transformation

Built on operating experience.