WANDA MARTINEZ
New York
Summary
Detail-oriented in Media Financial Services with extensive experience in advertising operations and client billing. Build strong partnership with investment teams and vendors across all media types while supporting high-profile accounts including GlaxoSmithKline, PepsiCo, Diageo, Volkswagen, Gap and Hormel.
Overview
22
22
years of professional experience
Work History
Vendor Management Analyst
Omnicom Media Group
10.2024 - 04.2026
- Conducted payment status research for 400-500 invoices weekly for OMG clients across all media types, enhancing collection processes. Improved collection efficiency and maintained accurate financial records.
- Analyzed vendor statements, identifying discrepancies and outstanding invoices on 90 days and over.
- Facilitated monthly vendor meetings, addressing resolutions and concerns through effective communication strategies.
- Coordinated with Budget Project Managers and Billers for ETA on client payments and clearance, ensuring timely processing.
- Led training sessions for team members on vendor management tools, enhancing overall departmental knowledge and effectiveness.
Media Reconciliation Specialist
Omnicom Media Group
03.2011 - 10.2024
- Streamlined deadline management for clients, vendors, and internal teams, enhancing project alignment.
- Build strong relationships with vendors and investment teams for seamless collaboration.
- Generated weekly Excel reports to identify and resolve discrepancies, improving accuracy in financial records.
- Ensured timely reconciliations by prioritizing tasks to meet strict deadlines consistently.
- Resolved invoice discrepancies, serving as the primary point of contact.
- Ensured reconciled invoices complied with company audit standards consistently.
- Trained offshore and onshore teams on procedures, enhancing skill development.
Billing Clerk
Omnicom Media Group
10.2008 - 03.2011
- Entered and maintained billing information in internal databases to ensure accurate and accessible records.
- Documented and input numerous invoices with precision, supporting timely billing processes.
- Generated discrepancies report for Media Reconciliation Specialist, facilitating prompt resolution of billing issues.
- Reviewed and processed all vendor invoices daily to ensure timely payment.
Production Biller
Arnold Worldwide New York
04.2004 - 11.2007
- Streamlined the billing process by automating data entry tasks, leading to improved efficiency and accuracy.
- Generated monthly billing and posting reports for management review.
- Worked with multiple departments to check proper billing information.
- Researched and resolved billing discrepancies to enable accurate billing.
- Improved overall client satisfaction by promptly addressing concerns related to invoicing disputes or inconsistencies.
- Generated fee invoices monthly to client as outlined in contract.
- Managed a high volume of invoices, prioritizing workload to meet deadlines and maintain cash flow.
- Conducted regular audits of billing records, identifying issues and implementing corrective actions.
- Identified, researched, and resolved billing variances to maintain system accuracy and currency.
Education
Program - Medical Billing & Coding
Marymount College
New York, NY06-2003
Diploma - Secretarial Studies
The College of Westchester (formerly WBI)
White Plains, NY09-1984
Skills
,,,,,,,,,
Audit preparation
Team collaboration
MediaOcean and Prisma
Accounts payable/receivable
Microsoft Excel (VLOOKUP)
Client relationship management
Root cause analysis
Problem-solving communication
Analytical skills
Vendor relationship management
Languages
Spanish
Limited
Timeline
Vendor Management Analyst
Omnicom Media Group
10.2024 - 04.2026
Media Reconciliation Specialist
Omnicom Media Group
03.2011 - 10.2024
Billing Clerk
Omnicom Media Group
10.2008 - 03.2011
Production Biller
Arnold Worldwide New York
04.2004 - 11.2007
Program - Medical Billing & Coding
Marymount College
Diploma - Secretarial Studies
The College of Westchester (formerly WBI)