Serve as the primary internal subject matter expert for corporate income tax matters (primarily federal & state, with a need for proactive planning for international expansion), taking ownership of preliminary tax calculations (e.g., quarterly estimates), tax payments, provision workpapers, fielding tax notices and collaboration with external advisors. Oversee sales tax, use tax, VAT, and property tax compliance, including taxability verification across jurisdictions, nexus, report reviews, exemption certificates and transaction management.