Mary Ann de Leon
I am a detail-oriented billing and reconciliation specialist with experience in UPS and FedEx invoice auditing, contracted rate verification, daily transaction reconciliation, QuickBooks, and Excel, with a strong focus on accuracy and identifying billing discrepancies.
Hire their services
Request a quote with no obligation
About
Billing Specialist and Sales Development Professional with 6+ years of experience in billing, invoice reconciliation, QuickBooks, customer support, lead generation, and CRM management. Skilled in FedEx and UPS reconciliation, daily transaction reporting, discrepancy review, and financial data management.
Experience
Billing Specialist / Operations Support at Nova Pharmacy (2026-03 – 2026-09)
- Performed daily invoice and transaction reconciliation.
- Reconciled FedEx and UPS invoices and reviewed shipping charges.
- Investigated discrepancies and supported dispute resolution.
- Updated QuickBooks with invoice and transaction information.
- Prepared reconciliation reports and billing updates.
Sales Associate at Action Accounting USA (2025-10 – 2026-03)
- Managed customer communications through chat, text, and email.
- Qualified leads and maintained customer information in HubSpot and QuickBooks.
- Managed sales pipeline and prospect follow-ups.
Lead Generation / Sales Development Representative at Matchstick Film Company (2025-02 – 2025-10)
- Generated qualified leads through research and outbound prospecting.
- Managed prospect information and sales activities in HubSpot.
- Supported lead qualification and follow-ups.
Sales Admin / Lead Generation Specialist at Atlantix Partners Company (2023-09 – 2024-11)
- Conducted cold calls, email outreach, and prospect research.
- Qualified leads and maintained HubSpot CRM records.
- Managed sales pipeline and prospect follow-ups.
Business Development Representative at Empowered Margins, Inc. (2022-12 – 2023-09)
- Conducted LinkedIn prospecting and targeted outreach.
- Identified potential clients and scheduled qualified appointments.
- Managed campaign responses and follow-ups.
Sales Development Representative at Write For Me (2022-08 – 2022-12)
- Supported outbound sales and lead generation.
- Conducted prospect research and outreach.
- Managed CRM data and sales follow-ups.
Senior Team Lead – Sales Development at CIENCE Technologies (2016-08 – 2022-03)
- Led and coached SDR teams to achieve KPIs and sales targets.
- Managed outbound campaigns and monitored performance.
- Prepared reports and supported client communications.
Customer Support Specialist – QuickBooks at Sutherland Global Services (2015-09 – 2016-05)
- Provided phone, email, and chat support to QuickBooks users.
- Assisted with billing, account setup, and customer issues.
Education
Bachelor of Accountancy in Accountancy – University of Pangasinan (PHINMA)
