My Team

We take client service very seriously. Together as a team we are committed to providing exceptional service to all of our clients.

If you need to schedule an appointment or request any other service, please let us know. We will respond promptly. You may call or email us for assistance.


Mary K Croff

Mary K Croff, CLTC®

Associate Wealth Management Advisor
Office 517-853-3366

Mary Croff started at Northwestern Mutual in 2001 and has over 20 years of industry experience. She is currently an Associate Wealth Management Advisor and our team Operations Manager. She supports all aspects of our insurance and investment practice and thoroughly enjoys getting to know clients on a personal level. Mary would be happy to assist with the following:

  • Investment accounts
  • Any customer service needs

In her free time, Mary enjoys spending time with her daughter and son-in-law, teaching water fitness classes, singing in her church choir and helping with the youth group, as well as spending time with her friends.

Jackie Ritter

Jackie Ritter

Associate Financial Representative
Office 517-853-3362

Jackie Ritter started with Northwestern Mutual in 2014 and is an Associate Financial Representative. Jackie can assist in any of the following:

  • Scheduling
  • Billing account questions
  • Policy and beneficiary changes
  • Policy loans
  • Navigating the NM client website
  • Any other customer service needs

Jackie spends her spare time reading, gardening, hanging out with her husband and caring for her horses and dog.

Paige C Bentler

Paige C Bentler

Office 616-233-2014

Paige Bentler started with Northwestern Mutual in 2017 and is an Associate Financial Representative. Paige is a recent graduate from Grand Valley State University and is eager to assist clients with the following:

  • Underwriting
  • Personal Planning Analysis
  • Any customer service needs

Paige spends her free time hanging out with family and friends, playing with her dog, attending concerts, and watching Detroit sports. She especially enjoys watching hockey and closely follows the Detroit Red Wings and the Grand Rapids Griffins.


Stephanie Anne Collier, CLTC®

Financial Representative


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