bonnie duffrin

managing broker

A thirty-year veteran of the insurance industry, Bonnie brings a wealth of industry knowledge and accomplishments to NSB Clients. Starting her industry career as an agent. Bonnie then built an award winning sales team (#2 team in the country) for a major carrier before finally bringing her expertise and track record of business building to one of Wisconsin’s oldest Independent Brokerage Agencies.

Bonnie understands firsthand how important it is for agents to have rock solid support and industry leading tools and products. Her commitment to personalized service and support for NSB Brokerage clients is unsurpassed. If you are looking for a trusted business partner, committed to helping you succeed, look no further.

Bonnie is a proud member and recognized by the International Women’s Leadership Association for her leadership skills and business abilities.

Bonnie enjoys travelling to industry events to learn new ways to help NSB clients win more business and caring for her two “fur babies”; Pibble and Gizmo.


brokerage manager

A passionate industry professional, with over 35 years of experience, Jim has personally trained thousands of agents across multiple states. His wealth of knowledge and expertise in Life, Annuities, LTC and Disability is hard to match. A trusted advisor, as well as an accomplished trainer, if you are looking for impactful, relevant CE courses, Jim delivers!

When away from the office and clients, Jim continues to hone is cabinetry woodworking skills, as well as pursuing his passion for culinary creations.  Jim enjoys visiting his two children and playing with his Chow / Shepherd mix “Samson”



case management

Communication, clarity, problem solving and grace under pressure is what Ericka brings to the table. A seasoned veteran with 15 years of support and service Ericka sets the standard for client communication, follow up and thoroughness at NSB.

Ericka keeps her cool by practicing yoga and escaping to nature with camping trips with her two children.