Summary
Overview
Work History
Education
Skills
Timeline
Generic

Kari Mastel

Necedah

Summary

Professional with strong background in customer interactions and service solutions. Highly skilled in conflict resolution, communication, and problem-solving, ensuring customer satisfaction and loyalty. Effective team collaborator, adaptable to changing needs, and consistently focused on achieving results through efficient and empathetic service. Known for reliability and proactive approach to meeting customer and organizational goals.

Overview

12
12
years of professional experience

Work History

Customer Service Representative

Veradigm
09.2022 - 11.2025
  • Provided high-volume customer support through phone, healthcare portals, and emails. Handling approximately 50 calls per day.
  • Educate patients on medical billing statements, insurance coverage, and payment options to ensure clarity and resolutions.
  • Processed payments assisted with insurance inquires while maintaining HIPAA compliance,
  • Supported the claims department by reviewing claims, identifying errors, and submitting rebills for timely resolution.
  • Assisted in training coworkers on processes, systems, and customer service standards.
  • Prepared and distributed itemized billing statements to patients and authorized personnel as requested.

Customer Service Representative

Wayfair
10.2021 - 06.2022
  • Managed a high call volume of 60–150 inbound customer interactions daily, as well as emails.
  • Resolving inquiries and complaints related to billing, returns, address changes, damaged products, and order placement while consistently meeting performance metrics.

Customer Service Representative

GFL Environmental
01.2021 - 09.2021
  • Communicated with customers via phone and email, handling 40–90 interactions daily while resolving service issues and complaints.
  • Assisted with onboarding new residential and business customers by setting up service accounts.
  • Trained and supported new employees on systems, procedures, and customer service standards.
  • Provided data entry support as needed to ensure accurate and timely record management.

Customer Service Representative

Herbsmith
05.2020 - 01.2021
  • Engaged with customers across multiple channels, including phone, email, online chat, in-person interactions, and social media, to provide timely and effective support.
  • Resolved customer inquiries, issues, and complaints while maintaining a high level of service professionalism.
  • Answered customer questions regarding products, services, and account-related matters.
  • Coordinated customer returns and exchanges in accordance with company policies.
  • Set up, maintained, and troubleshot customer accounts to ensure accurate and seamless service.

Certified Professional Cleaner

The Cleaning Authority
08.2019 - 05.2020
  • Entered customer homes daily to provide professional cleaning services, including greeting clients, assessing needs, and efficiently cleaning entire residences.
  • Accurately tracked timesheets, client keys, payments, and mileage to ensure accountability and compliance with company procedures.
  • Collaborated effectively with team members to complete cleaning tasks efficiently and maintain high service quality standards.

Assistant Manager

Camp Bow Wow
09.2013 - 07.2019
  • Provided leadership and guidance to staff, ensuring daily operations ran efficiently and in compliance with company standards.
  • Assisted with employee interviews and scheduling, coordinating staffing needs for both personnel and animal care.
  • Safeguarded revenue by accurately processing transactions, handling cash, and completing daily close-out procedures.
  • Delegated daily tasks to team members to maintain productivity and high service standards.
  • Oversaw the care of approximately 90 dogs per day, including feeding, administering medications, coordinating bathroom breaks, and grooming.
  • Communicated with clients throughout the day via email, phone, and in-person interactions to address inquiries and provide updates.
  • Utilized Microsoft Excel and Word daily for scheduling, recordkeeping, and operational documentation.

Education

No Degree - General Studies

Waukesha County Technical College
Pewaukee, WI

Skills

  • Customer service
  • Active listening
  • Critical thinking
  • Data entry
  • Call center experience
  • Order processing
  • Data collection

Timeline

Customer Service Representative

Veradigm
09.2022 - 11.2025

Customer Service Representative

Wayfair
10.2021 - 06.2022

Customer Service Representative

GFL Environmental
01.2021 - 09.2021

Customer Service Representative

Herbsmith
05.2020 - 01.2021

Certified Professional Cleaner

The Cleaning Authority
08.2019 - 05.2020

Assistant Manager

Camp Bow Wow
09.2013 - 07.2019

No Degree - General Studies

Waukesha County Technical College