Tiffany Barnett
McHenry, IL
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Objective
Outgoing and friendly administrative professional with a strong background in customer service and clerical operations. Known for delivering organizational excellence, calendar management, and multitasking. Thrives in fast-paced environments with a self-motivated work ethic. Professional Experience
Senior Billing Specialist Supervisor
Endurance • July 2020 – Present
● Supervise a team of billing specialists, ensuring timely and accurate invoicing and payment processing.
● Train, mentor, and support new and existing staff to ensure consistent performance and knowledge retention.
● Resolve complex billing discrepancies and escalate issues as necessary to maintain customer satisfaction.
● Monitor daily workflows and implement process improvements to enhance productivity and reduce billing errors.
● Analyze billing data and prepare reports for upper management to support strategic decision-making.
● Ensure compliance with internal policies and external regulations related to billing and collections.
● Collaborate cross-functionally with customer service and accounting to ensure accurate and efficient operations.
● Maintain detailed documentation of billing activities and audit trails to support transparency and accountability.
Secretary
Advanced Painting and Power Washing • Aug 2018 – July 2020
● Manage scheduling and communication between clients and technicians.
● Prepare and maintain accurate documents, estimates, and invoices.
● Provide excellent customer support through email and phone inquiries.
● Maintain organized digital and physical filing systems for client and job records.
● Order office supplies and coordinate with vendors to ensure operational efficiency. Daycare Assistant Teacher
A Child’s Place Learning Center • Oct 2019 – May 2020
● Supported lead teachers in planning and implementing age-appropriate activities.
● Maintained a safe and engaging environment for children.
● Assisted with feeding, diapering, and hygiene needs in compliance with health regulations.
● Communicated daily with parents regarding child behavior, development, and activities. Secretary
Vapetricity • July 2016 – Aug 2019
● Coordinated daily office operations, including scheduling and data entry.
● Managed customer appointments and responded to service inquiries.
● Prepared documentation and reports with attention to accuracy and timeliness. Education
● Regency Beauty Institute — Cosmetology
Darien, IL
● Lake Park High School West Campus — High School Diploma Roselle, IL
Skills
Skills
● Billing and Invoicing
● Team Leadership & Supervision
● Customer Service & Communication
● Conflict Resolution
● Process Improvement
● Data Entry & Database Management
● Microsoft Office Suite (Word, Excel, Outlook)
● Time Management & Prioritization
● Multi-line Phone Systems
● Scheduling & Calendar Management
● Training and Staff Development
● Problem-Solving and Decision-Making
● Confidential Information Handling
● CRM and Billing Software Experience
References
Available upon request