Kathryn Holthusen
Senior Commercial Lines Account Manager

Kathryn Holthusen is a Senior Commercial Lines Account Manager at Inszone Insurance Services, joining the company in March 2025. She has 16 years of experience in the commercial insurance industry, offering deep knowledge and proven expertise to help clients find the best coverage solutions.
Her strong attention to detail and client-first approach has driven retention, supported organic growth, and built lasting relationships. Kathryn is passionate about delivering top-tier service and looks forward to expanding her knowledge to further contribute to Inszone’s success.
In her free time, Kathryn enjoys traveling, gardening, and cooking fresh meals from her homegrown produce. She loves spending time outdoors with her fiancé, Ed, and their dog, Nala, whether walking, biking, or kayaking.
(847) 996-1629
Crystal Kay Wash
Kathy provided excellent services. She went above and beyond to help me gain the required insurance to work with a specific company.
Craig Cavanaugh
Kathryn has been a pleasure to work with. She has followed through with any and everything that I have asked of her.