Meet The Team

Our Lexington, South Carolina team works with families and business owners to help them understand risk, choose the right coverage, and stay protected as life and business evolve.

Insurance works best when the people guiding your decisions understand both the policies and the people they protect.

The team at GMM Insurance is made up of licensed insurance professionals who focus on helping clients navigate complex coverage decisions with clarity and confidence. Each member of our team plays a role in making sure clients receive thoughtful guidance, responsive service, and long-term support as their needs evolve.

Rather than simply processing policies, our advisors work with clients to understand their goals, identify potential risks, and recommend coverage strategies designed to protect what matters most.

Ashley McCartha

Personal/Commercial Lines/Broker

Ashley McCartha is a native of Lexington, SC. She is a personal lines account manager, which means that she quotes, issues, and...

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Steve Highberger

CEO and Owner

Steve Highberger is the CEO and owner of GMM insurance. Steve is originally from Aiken, SC. Steve is a commercial insurance agent...

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Chantal Wilson

Personal/Commercial Lines Agent

Chantal Wilson is originally from Long Island, New York. She moved to Lexington 5 years ago from Vermont. She is the first...

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Our Approach

When clients work with GMM Insurance, they gain access to a team that values communication, transparency, and proactive service.

We believe insurance decisions should be made with a full understanding of the options available and the potential risks involved. Our advisors take the time to explain coverage clearly so clients can feel confident in the protection they have in place.

Whether assisting with a new policy, reviewing existing coverage, or helping navigate a claim, our team is committed to providing thoughtful guidance and dependable support.