Mike A. Plaza

Mike A. Plaza is the IT Manager of Matthiesen, Wickert & Lehrer, S.C. Working out of the Hartford, WI office, he manages all IT related matters. In 2007, Mike received his Bachelor of Business Administration in Computer End User Technologies and his Bachelor of Science in Psychology from UW Whitewater. He has been working with…

Jamie L. Breen

Jamie L. Breen is the Marketing Director of Matthiesen, Wickert & Lehrer, S.C. She has been with MWL for 26 years. Jamie started at MWL in 1998 as an administrative legal assistant to Attorney Gary Wickert, our firm president, holding that position for nine years. Besides being a well-known subrogation expert and attorney, Gary has…

Payton M. White

As a Marketing Coordinator, Payton combines creativity with strategic execution to bring marketing initiatives to life. With a strong eye for detail and a passion for storytelling, she supports cross-functional teams through content creation, campaign coordination, social media marketing, and brand management. Whether developing marketing materials, managing digital channels, or analyzing campaign performance, Payton is…

Amanda R. Peterson

Amanda R. Peterson is a Billing Clerk in the Hartford, WI office of Matthiesen, Wickert & Lehrer, S.C. As a motivated billing clerk, Amanda’s day-to-day duties include invoicing, billing and working one-on-one with clients and local counsel! In 2020, Amanda graduated from Moraine Park with high honors from the Accounting Program. She then joined the…

Meghan R. Koenig

Meghan R. Koenig is a File Intake Coordinator in the Hartford, WI office of Matthiesen, Wickert & Lehrer, S.C. Her day-to-day job duties revolve around data entry of new cases that are referred to the firm. She also assists at the reception desk and lends a helping hand around the office with things such as…

Lisa M. Liebenow

Lisa M. Liebenow is a Billing Clerk in the Hartford, WI office of Matthiesen, Wickert & Lehrer, S.C. Lisa joined the MWL team in 2022. She manages portions of billing in the accounting department and handles daily deposits for client payments.