John S Rentschler, CFP®, CLU®, ChFC®
Wealth Management Advisor

Rentschler Wealth Management

My Team

I take customer service very seriously. So does my staff. Together, we are committed to providing exceptional customer service to all of our clients.

If you need to schedule an appointment, make changes to your policy, submit a claim or request any other service, please let us know. We will respond promptly.

Sheri Rentschler

Sheri Rentschler

Associate Financial Representative
Office 573-446-0779
Steven R Spellman

Steven R Spellman

Associate Wealth Management Advisor
Office 573-446-0779
Fax 573-362-3628

Steve Spellman is an Associate Wealth Management Advisor with Northwestern Mutual.

Joining Northwestern Mutual in 2019, Steve previously worked as a Wealth Advisor with Landmark Bank (now Simmons Bank) and Central Trust Company.

With a career focus on retirement and trust administration, Steve holds the Certified IRA Specialist (CISP) designation and has attended the American Bankers Association Trust School.

A Columbia native and graduate of the University of Missouri, Steve has served on the board of several local non-profit organizations, co-chaired the Columbia Chamber of Commerce’s Government Affairs Committee and is an active volunteer at his church. 

Steve enjoys bicycling and other outdoor activities such as hiking the forest near his home with the family dog, Bruno.  He and his wife Jessica have five children together.


To learn more about Northwestern Mutual Investment Services, LLC and its financial representatives, visit: FINRA BrokerCheck