Robert Edward Johnson, ChFC®, CLTC®

Financial Advisor

My Team

As a Wealth Management Advisor for Northwestern Mutual, Rob is committed to helping his clients whether they are concerned for their own financial needs or those of their family or business. Rob doesn'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.

Craig Valentine

Craig Valentine

Associate WMC Advisor
Office 631-592-2011

Craig holds his Series 7, Series 66, Life and Health Licenses and is a registered representative of Northwestern Mutual Investment Services, LLC.   He graduated from Columbia University with his B.A. in History.  While at Columbia, Craig was a dual sport student-athlete who earned All-Ivy League distinction and is a proud member of the Columbia Alumni Association.  Craig and his wife Janine enjoy spending time with friends and family, volunteering within their community, sport fishing, traveling and Columbia Athletics.

Craig's role is to assist as Rob's Associate Financial Advisor, reviewing financial plans and managing the Signature Investment Platform for clients.  Feel free to reach out to Craig to review your investment accounts, as well as ask any insurance or investment questions.


Tiffany Monasterio

Tiffany Monasterio

Associate Financial Representative
Office 631-592-2000

Tiffany is responsible for general client service support, facilitation of underwriting through the Home Office,  as well as assisting Rob with the servicing of investment accounts.  Tiffany joined Rob's team in 2015 with 16 years of experience in life insurance underwriting and investment account servicing, having previously held positions as a Registered Representative at American Portfolios Financial Services and at Gruntal & Co. on the Mutual Fund Desk.

Tiffany lives in Huntington with her husband and 3 children.


Stephen Cracovia

Office 631-592-4076

Stephen is the newsest member of our team joining in May, 2018. Stephen is responsible for client outreach, and account servicing.

Graduating from St. Josheph's College in Patchogue, Stephen obtained his Bachelor’s Degree in Marketing. He lives in Shoreham, NY where he enjoys the outdoors and personal fitness.

Sonya Helen Sulton

Sonya Helen Sulton

Director of Finance
Office 631-824-7909

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