• Build and maintain an accurate AR tracking system with clear ownership, status, and next action for every invoice. • Ensure all accounts include correct contacts, terms, dispute status, promised payment dates, and follow-up notes. • Keep AR aging clean and accurate; resolve discrepancies, credits, and stale balances. • Run daily and weekly collections activities across aging buckets. • Segment accounts by balance size, customer tier, payment method, and risk. • Conduct consistent outreach via email and phone and document all activity. • Track promised payments and escalate missed commitments. • Manage dispute intake, routing, and resolution in partnership with Customer Success, Billing, RevOps, and Sales. • Define and enforce escalation timelines and account action policies. • Prepare weekly AR reporting, including DSO, aging trends, collections effectiveness, dispute cycle time, and cash forecast.