About Our Team

The Team at Mandeville Insurance Agency




Careful evaluation of your insurance needs means we’ll match you with the company that will provide you with the best coverage.


We represent a vast group of fine companies, meaning our resources reach far and wide—enabling us to give you a number of options.


Multiple Areas of Expertise

We specialize in multiple areas of insurance coverage, from Auto, Home, Farm & Ranch, to Long-Haul Truck, Commercial, Life & Health, and Individual or Group packages.

Customer Service

We take pride in providing the best customer service possible for our clients and our partner companies.

Tom Chamberlin

Owner / Commercial and Farm & Ranch Agent

Tom has been a licensed insurance agent since 2010 and began working at Mandeville Insurance Agency, Inc. in early 2013.

He has past experience as a contractor and with farms and ranches.

Tom can assist you with:
• Commercial Insurance
• Farm & Ranch Insurance

Contact him here.

Susie Schreiner

Commercial, Farm & Ranch, and Truck Insurance Agent

Susie has been with Mandeville Insurance Agency since 1982.

In addition to being the Office Manager, Susie can help you with:
• Commercial or Business Insurance
• Farm & Ranch Policies
• Long Haul Truck Insurance

Contact her here.

Sarah Dean

Personal Insurance Agent

Sarah is new to Mandeville Insurance Agency, as well as the insurance business. Sarah was born and raised on the Mississippi Gulf Coast but has lived here in Montana for 11 years. She is married to Gabriel Dean and they have three children, Max, Mason, and Marie. Sarah and her family love baseball, football (Roll Tide!), golfing, and camping. Sarah is excited to join our team here at Mandeville to serve continuing and new customers!

Sarah can assist you with:
• Homeowners, Auto & Personal Insurance

Contact her here.

Brande Young

Bookkeeper & Claims

Brande is new to the insurance industry, but is enjoying being a part of the great team at Mandeville Insurance Agency.

She lives in Absarokee with her husband and three children, enjoying camping, boating, fishing, reading, and volunteering.

Brande can assist you with:
• Accounting
• General Insurance Questions

Contact her here.

Webb Mandeville

Commercial, Medical, Life, and Medicare Insurance Agent & Certified Insurance Counselor

Webb has been in the insurance business since 1975 and is the former owner of Mandeville Agency, but still enjoys working with people on their insurance needs.

He received his Certified Insurance Counselor designation in 1978.

Webb can assist you with:
• Commercial Insurance
• Farm & Ranch
• Medical & Life Insurance
• Medicare Supplement or Long-Term Care

Contact him here.

Lori Reimer

Personal Insurance Agent & Assistant to Webb

Lori began working in the Insurance business in Anchorage, Alaska in 1983 until moving back to Montana in 1992.

She has been working at Mandeville Insurance Agency since 1996 assisting Webb on his accounts.

Lori can assist you with:
• Home & Auto Insurance
• Small Commercial
• Farm & Ranch Accounts

Contact her here.

Shawna Tjaaland

Personal Insurance Agent

Shawna Tjaaland is a true outdoor enthusiast, hailing from Billings Montana.

Shawna finds peace and serenity in our great outdoors.

Married to Shane Tjaaland, they both share the same joys of camping, hunting, fishing and mostly anything that allows them to relish the beauty that nature provides.

Shawna can assist you with:
• Homeowners Insurance
• Auto Insurance

Contact her here.

Sarah Temple

Personal Lines and Commercial Rater

Sarah is has been in the insurance industry since 2015. She was born and raised in Montana; on a farm east of Glendive. When she is not working, Sarah enjoys going back to the family farm, crafting, and playing with her Chocolate Lab.

Sarah is here to help with all property and casualty insurance questions and quoting.

Sarah can assist you with:
• Home & Auto Insurance
• Commercial or Business Insurance
• Farm & Ranch Insurance

Contact her here.

Get In Touch with the Team Today!

If you are interested in working together, send us an inquiry or Request a Quote
and we will get back to you as soon as we can!

Contact Us