Your "Back Room" Benefits Resource

We educate our clients on cost-saving strategies, plan design trends, and other solutions that make sense for you. In other words, we'll function as your
"back room" benefits resource.

Our Expertise

Here are some of the many service we offer:

•  Obtain competitive bids

•  Design meaningful plans

•  Negotiate renewals

•  Assist in vendor selection and plan implementation

•  Offer effective cost-control strategies

•  Prepare due-diligence reviews for qualified plans

•  Prepare benchmarking standards

Meet Our Team

Karin Marrs Rettger, MBA,President and founder of PRG, has over 25 years of experience advising clients on employee benefit issues. Her expertise working with non-profit organizations has given her considerable insight into designing plans for employers with special needs and budgetary constraints. Karin has worked with more than 100 groups and is able to offer proactive solutions and knowledge beyond most brokers.

Karin is a Director of the PSCA (Plan Sponsor Council of America).  She is also a member of ASPPA, The National Tax Sheltered Annuity Association (NTSAA), and the Financial Planning Association. Ms. Rettger co-founded West Suburban WEB, an educational association for employee benefit professionals, and has served as chapter president and national vice president.

She has recently announced the release of her latest book "Doing More With Less."  Click here to learn more about this work.

A recognized non-profit retirement plan expert, Karin has been a featured speaker on 403(b) Plans and is co-author of the book 401(k) Plans.

Lisa Sampson, has over 25 years experience in employee benefits. She works with our clients to provide administrative support and has extensive background with non-profit and health care companies. She also provides research assistance on legislative compliance. Lisa is committed to providing superior service to our clients.

Our Customer Service Associates

When you call our office, you will be greeted by one of our friendly voices. The majority of our calls are answered personally. We have the expertise to handle most client inquiries quickly and efficiently.

About PRG

When you work with us, you work with experienced, dedicated professionals who are eager to help you achieve your employee benefit goals. For more than two decades, we have been providing clients with cutting edge, hands-on service and solutions to their most challenging benefit issues.

Our clients include companies, non-profit organizations and individuals. We offer expertise for both group benefits, health and welfare plans as well as all types
of pension plans including 401(k), 401(a) and 403(b) plans.

Our corporate office is located in Glen Ellyn and we serve clients throughout Illinois and the Chicago area.

Contact Us

Please contact us to learn more about our services and what we can do for you. We would be happy to give you a quote or answer your benefit questions.

Karin Rettger, President

Principal Resource Group
800 Roosevelt Road
Building B, Suite 421
Glen Ellyn, IL 60137

Office: 630.858.5430

Click Here to email us


Securities offered through Cambridge Investment Research, Inc., a broker-dealer, member FINRA/SIPC.  Karin Rettger, Registered Representative. Investment Advisory Services offered through Cambridge Investment Research Advisors, Inc., a registered investment advisor.  Karin Rettger, Investment Advisor Representative.  Cambridge and Principal Resource Group are not affiliated. Karin Rettger is licensed to offer securities products and insurance products in the State of Illinois. The information included herein should not be considered a solicitation or an offer to sell products in any state beside those in which Karin Rettger is properly licensed.   Check out my background on FINRA’s Broker Check.