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


Robby sergent
I couldn’t be more satisfied with my experience with Kathryn’s customer service. She went above and beyond to ensure all my needs were met promptly and professionally.
Jennifer Gore
I needed to request a renewal certificate of ins for one of our vendors, Kathryn took my call and was super kind and helpful. She was able to get me to my acct manager and I had the renewal cert shortly after.
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.