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.

Retirement Plan Advisory Group

We are a proud member of the Retirement Plan Advisory Group.


Meet Our Team

Karin Marrs Rettger, MBA, AIF, President and Founder of PRG, has over 30 years of experience advising clients on wealth management and corporations. Her background includes investments for 401(k) Plans as well as individual client portfolios. She works with corporations on designing employee benefit plans and meeting fiduciary requirements. She performs cost reviews and negotiates cost savings on Medical and 401(k) Plans. She advises corporations about matching strategies for HSA accounts.

She is the best-selling contributing author of “Breaking through the Status Quo – How Innovative Companies are Changing the Benefits Game to Help their Employees and Boost their Bottom Line” available on Amazon. She is also co-Author of Doing More with Less, and of 401(k) Plans. She has been a featured speaker and keynote speaker on 403(b) Plans, Retirement Plans, Fiduciary Issues, and Health Savings Accounts (HSA’s) as well as The Intersection of Health and Wealth featuring a strategy of aligning your retirement to include health saving accounts.

Karin is a Director of the Plan Sponsor Council of America and a Director of WEB West Suburban. She is founder of the West Suburban Business Leader Network.

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.

Our Expertise

• Corporate Employee Benefits

• 401(k) Investments and Fiduciary Issues

• Financial Wellness Programs

• Retirement Planning

• Wealth Management

• Investment Advice

• Retirement Income Strategies

Ask a Question

Do you have a benefits
question we can help 
answer for you?

Ask a Question


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

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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.