Dave lives in Gurnee, IL with his wife Sue.

In Dave's free time he enjoys traveling, playing golf and spending time with his family.

David R O Brien

David R O Brien, CLU®

Financial Representative


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

Visit our Client Relationship Summaries (Form CRS) which provide brief information about our firms that provide brokerage services and advisory services.