Donald G Armstrong, CFP®, CLU®, WMCP®, AEP®, RICP®
Wealth Management Advisor

Armstrong Associates

Our Team

Team photo

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

If you need to schedule an appointment or request any other service, please let us know. We will respond to your needs promptly.


Brett S. Havice, RICP®, ChFC®, CLU®

Associate Financial Representative
Office 217-351-9000

Brett received his bachelor's degree from the University of Illinois, Urbana-Champaign, in May 2008, and joined Northwestern Mutual the same year.

Brett holds his Illinois Life and Health and Long-Term Care license. FINRA Series 6 and 63 Licenses. Brett earned his CLU® designation through the American College.

How can Brett help you?

  • Supply quotes for life, disability income and long-term care insurance
  • Provide analysis of existing insurance portfolio to ensure it fits your needs
  • Assist with insurance applications and the underwriting process
  • Prepare and update financial plans
  • Provide information regarding term conversion
  • Conduct client appointments
  • Address client inquiries
  • Provide illustrations and policy values

On a personal note, Brett enjoys exercising, attending Illinois sporting events and spending time with family and friends.


Stephanie Matt, J.D.

Associate Wealth Management Advisor
Office 217-351-9000

Stephanie joined Don Armstrong's office in 2008. Stephanie is Life and Health licensed in Illinois, and has passed the Series 6, 63, and 7 exams, and is securities licensed to assist you with your mutual fund and variable annuity service needs. She is also licensed in life and health to help you with your insurance needs.

Ms. Matt received her bachelor's degree in Economics from the University of Illinois, Urbana-Champaign and her law degree from Ave Maria School of Law, Ann Arbor, MI.

How can Stephanie help you?

  • Conduct annual client reviews
  • Open and update investment accounts
  • Process account transfers and IRA rollovers
  • Review portfolios and provide market updates
  • Prepare and update financial plans
  • Trade and monitor investment accounts
  • Prepare performance reports
  • Monitor market updates
  • Prepare investment proposals and financial plans
  • Assist with 529 trading and rebalancing
  • Generate consolidated statement reports
  • Provides key support, meeting with clients in Don's absence

On a personal note, Stephanie enjoys traveling, reading, exercising, and spending time with family and friends.


Kevin Polonus, CFP®, MBA

Associate Wealth Management Advisor
Office 217-351-9000

Kevin Polonus joined Northwestern Mutual in 2014, and became an Associate Wealth Management Advisor on Don Armstrong's Team in 2015.

Prior to joining NM, Kevin was Manager of Operations in numerous retail pharmacies throughout Illinois for 15 years, and before that, Kevin earned his Bachelor of Science in Astronomy from the University of Illinois. Kevin successfully completed the CFP® exam in November 2015, and holds the FINRA Series 6, 7, 63, 65, and IL Life & Health licenses.

Kevin can help you by:

  • Conducting your annual review
  • Providing information regarding term conversions
  • Reviewing your portfolios and providing market updates
  • Providing illustrations and inforce ledgers
  • Supplying quotes for life, disability and long-term care
  • Opening and updating investment accounts
  • Trading and monitoring investment accounts
  • Preparing performance reports
  • Monitoring market updates
  • Preparing investment proposals and financial plans
  • Insurance policy changes and servicing
  • Insurance policy loans and billing
  • Providing consolidated investment account and policy reports

Kevin enjoys reading philosophy and history, music, church activities, and anything with his family. He is married to Emily and has 5 wonderful children.


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