Our Team

The Sanczyk Group is comprised of experienced professionals who have dedicated their careers to servicing their clients. Their approach is backed by over 100 years of collective experience and the comprehensive resources of the Northwestern Mutual Wealth Management Company dating back to 1857. The Sanczyk Group focuses on creating long-term relationships with clients based on commitment to excellence, knowledge, and integrity.


Our Team

Stephen Tanwanteng

Investment Assistant
Office 973-531-2140

Stephen is a graduate of Carnegie Mellon Tepper School of Business with a B.S. in finance in 2010. He interned previously at Morgan Stanley and joined the wealth management team in 2011. Stephen is responsible for account holdings maintenance. He also assists with personal planning analysis for retirement and education as well as portfolio and asset analysis. Stephen has his series 7 and series 63 licenses. 

Michael P Guzzardo

Financial Representative Assistant
Office 973-531-2141

Mike, a graduate of Sacred Heart University, joined the firm in 2004 and has over 15 years of investment experience. He is responsible for running office operations and functions as the team's point man. In addition to maintaining day to day operations, Mike is actively involved with our clients to ensure their needs are fully met.

Mike also prepares the Investment, Estate, and Retirement planning analysis for the team. 

Prior to joining our organization, Mike worked with Alliance Bernstein Reasearch & Management as an institutional liason between investment advisors and portfolio managers.

Mike is married to his wife Desiree and has three children: Genevieve, Carly, and Michael.

Christine Stevens

Director of Insurance Operations and Services
Office 973-631-2142


A graduate of County College of Morris, Associate in business, Christine has 20+ years in the insurance industry joining Northwestern Mutual in 1988. Taking a hiatus in 2003 to become caregiver for her mother, she rejoined Northwestern Mutual in 2008 as part of Thomas S. Sanczyk's team. She is manager of Tom's insurance operations and client relations. Christine is a licensed Associate Financial Representative with Northwestern Mutual.
A resident of Wayne, NJ she is married to Mark and has two step-children, Rachel & Charlie.

Maria C Giangeruso

Financial Representative Assistant
Office 973-631-2143

Maria began her career with Northwestern Mutual in 1993.  She is a graduate of Berkeley College of Business and has 20+ years in the industry.  Maria assists with running the office operations on a day to day basis.   She has her series 6 & 63.

Maria is married to George and has two sons, Gavin & Brandon.

Shail Shah

Office 973-531-2132

Shail is a graduate of the University of Connecticut with a B.A. in Mathematics and Statistics. He previously worked as a Financial Representative with Northwestern Mutual, before joining our group in 2016. Shail is responsible for preparing the financial planning analysis for the team. He also assists in account holdings maintenance.

As a Wealth Management Advisor for the Northwestern Mutual Wealth Management Company, we are committed to helping our clients whether they are concerned for their own financial needs or those of their family or business. We don't do it alone. Here you will find a listing of the people who help make it happen.

Together, we stand committed to providing the best customer service possible. If you have a problem or need assistance at any time, please let us know. 

The Private Client Services Investment Team, which is based in Milwaukee, can provide customized investment management services for our high net worth clients using a suite of solutions designed to address our clients' unique investment management needs. We have direct access to the portfolio managers responsible for managing these Private Client Services accounts.

The Advisory Investment Team, which is based in Milwaukee, provides investment research and consulting support for our advisory products and services.  We have direct access to the investment consultants who assist in addressing specific client needs by providing enhanced portfolio analytics, investment research and guidance.


Thomas S Sanczyk
Wealth Management Advisor

The Sanczyk Group


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