Lead all financial and reporting activities for the operating expenses of a business unit. This includes ownership and responsibility for: Overall accountability for the Operating Expense section of the P&L; Includes headcount and programs within Sales, Marketing, R&D, and G&A; Establish a robust reporting system and to automate expense consolidation; Complete, timely, and accurate financial closings each month-end; Journal entries, allocations, and reconciliations as needed; Ensure the integrity of expense reporting information at all times.