POSTEMA INSURANCE & INVESTMENTS
"Protecting Everything You've Worked For!"Who We Are
Since 2005, Postema Insurance & Investments, LLC has provided seniors with innovative solutions for their Retirement Planning needs. We have since expanded to include Health, Life, Home, and Auto insurance. Our prompt, courteous, and personal service has allowed us to enjoy a reputation as a client-oriented agency dedicated to providing quality solutions for our clients.
We are the perfect combination of the convenience and integrity of a small mom and pop shop with all the experience and expertise of a huge corporation. Our unique position allows you to touch base with all your services in a single phone call because we believe in simplicity and peace of mind. We strive to build confidence, trust, and long-lasting relationships with each of our clients.
Postema Insurance and Investments, LLC has 2 locations, a corporate office in Defiance, OH and a satellite office in Hamilton, IN.
Mission Statement
Postema Insurance & Investments, LLC exists to protect everything you’ve worked for by providing customized financial services to each of our clients.

Dennis M. Postema
CEO/Owner

Krista Postema
Life, Health, Financial Representative

John Postema
Life, Health, Financial Representative

Thomas Postema
Life, Health, Financial Representative

Grant Quaderer
Life, Health, Financial Representative

Michael Sebring
Life, Health, Financial Representative

Joann Reed
Life, Health, Financial Representative

Brent Sines
Life, Health, Financial Representative

Tim Schortgen
Home, Auto, and Business Representative

Tyler Johnson
Home, Auto, and Business Representative

Peggy Sisco
Director of Operations (P and C Division)

Kathy Shrader
Chief Financial Officer, Postema Accounting Solutions

Spencer Kramer
IT Support Specialist

Tammy Sanchez
Loan Originator & Processor, Postema Capital Lending

Kallie
Vice President of Public Relations