Corey R Fleisner, CLU®, ChFC®

Wealth Management Advisor


When you became my client, you placed your trust in me to help make your vision a reality. I honor that trust with the help of my expert support staff. Together, we make a strong commitment to customer service.

If at any time you have a question, concern or need, please let us know.


Heidi M Deglow

Heidi M Deglow, CLU®, ChFC®

Executive Assistant
Office 262-255-1970 ext 201

W189N11100 Kleinmann Drive
Suite 101
Germantown, WI 53022
ext 201

Heidi has been representing Northwestern Mutual since 2006. Heidi started as a financial representative intern and now works as Director of Operations and Executive Assistant to Corey R. Fleisner, CLU®, ChFC®. She graduated from UW-Whitewater with a Bachelor's degree in Finance and with a commitment to excellence Heidi has earned her CLU® and ChFC® designations. Heidi enjoys working with Northwestern Mutual and its dedication to put its client’s best interests first.

Heidi lives in Watertown with her husband Rob and three children Russell, Reed & Lydia. In their free time they enjoy taking walks, biking and spending time with friends and family.

Julie P Stepniewski

Julie P Stepniewski

Operations Associate
Office 262-255-1970 ext 204

Julie has been with Northwestern Mutual since 2012.

She enjoys working together with Financial Representatives and their clients to ensure the highest level of customer satisfaction is achieved.  She very much enjoys being a part of the Northwestern Mutual family and the feeling each day that she has been able to help enrich a client's life in one aspect or another.

She is also the lead for the office's efforts with respect to Alex's Lemonade Stand Foundation.


Erin Wiskerchen

Office 920-739-1155


Erin R. Wiskerchen - Operations Manager

Erin has been with Northwestern Mutual since March of 2016.


Drew J Rose

Financial Planning Specialist
Office 920-739-1155


Andrew has been with Northwestern Mutual since 2016 and holds his Series 7 and 63 securities registrations. He is fully licensed in the State of Wisconsin and Michigan for Life, Health and Disability insurance. Andrew has a Bachelor's degree of Business Administration from UW-Oshkosh.


Dante Michael Pizzuti

Planning Associate
Office 920-435-7597


Dante has been with Northwestern Mutual since 2016. He hold a Series 6 and 63 Securities registration and is fully licensed in the State of Wisconsin for Life, Disability and Long-term Care insurance. Dante has a Bachelor of Arts from UW-Green Bay.


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