Justin Griesdorn - President
Justin has been with CARS since 1993. He graduated from The University of Northwestern with an Automotive degree. He is also a Master Technician and has a MACS certificate for air conditioning service. He is married to Lesley. They have three children: a daughter, Lauryn and two sons, Lukas and Wyatt. Justin enjoys riding his motorcycle, spending time with family and going to the races.

Lucas Bonifas - ASE & Chrysler Master Technician
Lucas has been with CARS since 2014. He graduated from UNOH with an Automotive degree. He was previously employed as a Chrysler technician for 14 years. He enjoys fishing and golf.

Colten Unrast – ASE certified technician
Colten started with CARS in 2024 while completing the Tri Star NATEF/ASE certified Automotive Technology program. Upon graduation in 2025, he joined the team full-time. Colten enjoys hunting, fishing, and being outdoors.

Christine Hansen - Office Manager
Christine joined the team in 2025. She previously spent over 10 years in operations leadership in the retail and hospitality business. Christine is the oldest daughter of our former Office Manager, Corienne. She is married to Jake and they have one son: John. Christine enjoys spending with family and traveling.