Instructs, reviews and assists less senior staff with client invoices for high priority, complex, or unusual contracts, including reconciling to control reports, verifying contract terms, collating invoice distribution and filing and retention of appropriate documentation. Coordinates account collection activities for delinquent accounts, particularly accounts involving lengthy past due dates, large balances, or uncooperative clients. Assists less senior accounting staff in resolution of billing cases, providing instructions and procedural help. Reviews, analyzes, and resolves unusual or complex unbilled and suspense items. Develops and defines procedures, approaches and techniques for increasing the company’s billing function effectiveness. Performs other duties as required.