• Own the monthly, quarterly, and annual group close and consolidation processes across all entities. • Deliver accurate management accounts, as well as board and investor reporting. • Ensure IFRS and local GAAP compliance across multiple jurisdictions. • Define, document, and enforce group accounting policies and internal controls. • Lead, optimize, and scale the NetSuite ERP across the group (NetSuite experience is mandatory). • Drive automation and AI adoption in accounting operations, including reconciliations, anomaly detection, journal automation, and close acceleration. • Manage audits, statutory filings, intercompany accounting, and transfer pricing processes. • Partner closely with the CFO on strategic initiatives, scaling efforts, and financial governance. • Build robust, scalable accounting infrastructure suited to a high-growth, deep-tech organization.

• Prepare, file, and sign all required corporate tax returns at the federal, state, city, and county levels • Proactively research, propose, and claim all available credits, incentives, and deductions to minimize tax liability • Stay fully current on IRS updates as well as state, city, and county tax changes for every applicable Methodology jurisdiction • Serve as company expert and sole coordinator for any tax inquiries, audits, or governmental correspondence • Approve every company expense; ensure tight controls, clear documentation, and proper categorical assignment • Partner with every business function to understand operational details so every transaction is coded accurately • Own all financial operations: oversee AP/AR, GL reconciliations, payroll (liaising with processors), and both cash and accrual close cycles • Prepare all financial statements (P&L, balance sheet, cash flow, management dashboards) under US GAAP • Manage “hybrid” e-commerce + manufacturing accounting

• Oversee engagement teams across U.S. and international personnel, delegating work to maximize efficiency • Mentor and develop team members, actively supporting professional growth • Manage utilization and client load to ensure team members are challenged, supported, and operating at optimal capacity • Codify and share best practices, contributing to Propeller's institutional knowledge and platform intelligence • Optimize margins and business unit efficiency, recognizing that Propeller's economics shift from hours billed to value delivered • Proactively engage in Early Warning processes to surface issues before they escalate • Support client pipeline development in collaboration with Business Development, CFO team, and Customer Experience • Identify upsell and lifecycle extension opportunities by understanding client needs and demonstrating incremental value • Partner with Customer Success to ensure deliverables meet Propeller's standards and drive client satisfaction • Conduct periodic client file reviews to identify learning opportunities, develop best practices, and feed insights back into the platform • Document workflows and surface repeatable intelligence that can be systematized through PropellerOS • Drive high client satisfaction by delivering not just accurate financials, but timely, actionable insights • Transform the monthly close call from backward-looking reporting into strategic financial review powered by analytics and CFO perspective • Develop scope and service offerings for potential Growth Stage clients • Participate in all phases of the client conversion cycle: scoping, pitch, and SOW development • Act as a strategic partner to executive teams, helping them navigate financial and operational complexity

• Manage month-end close (target: 5-day business day close) • Oversee multi-entity accounting and intercompany transactions • Manage outsourced bookkeeping & tax vendors, or internalize for increased efficiency • Ensure accurate and compliant payroll, AP, and AR across Business Units and Infinity Constellation • Partner with Head of Finance on cash forecasting • Manage treasury processes (SVB, Meow, Wise, Ramp) • Monitor capital movements across entities • Oversee audit processes and compliance frameworks • Ensure GAAP compliance • Partner with tax and audit vendors • Implement scalable internal controls • Own Infinity’s relationships with tax and external accounting vendors • Optimize current QuickBooks environment • Help define long-term accounting system roadmap • Improve reporting automation and accuracy