91

Dan Koestner Named to 91 Board of Directors

PRESS RELEASE For Immediate Release

Media Contact: Bob Nicholas
Vice President | Marketing & Sales Enablement
248-442-6640 | rnicholas@amerisure.com

Dan Koestner Named to 91 Board of Directors
Dan Koestner, newly appointed member, 91 Board of Directors

Farmington Hills, Mich., April 8, 2025 — 91 is pleased to announce the election of Dan Koestner to the board of directors of 91 Mutual Holdings, Inc. and the 91 Companies. His appointment went into effect April 1.

“We are excited to welcome Dan Koestner to the 91 board of directors,” said Greg Crabb, President and Chief Executive Officer of 91 Insurance Companies. “His extensive expertise in financial oversight, risk management, and the insurance industry, coupled with his leadership experience advising professional organizations, will be instrumental in supporting 91’s mission to create exceptional value for our agency partners, policyholders, and employees.”

Dan Koestner most recently served as a senior partner at EY (Ernst & Young LLP), a professional services firm operating in 150 countries. With three decades of experience advising public and private insurance companies, Koestner is known for clear communication, objectivity, and strong consensus-building.

Koestner has led international teams overseeing audits of large insurance companies, managing financial statement audits, internal controls, and regulatory compliance. As a Professional Practice Partner in EY’s National Quality and Regulatory Matters Office, he played a key role in maintaining audit quality and ensuring adherence to professional standards. His experience with major accounting transitions, such as International Financial Reporting Standards conversions, further enhances his ability to provide valuable board insights.

Koestner has served as Chair, Vice Chair, and Treasurer of Meals from the Heartland, helping the nonprofit provide over 230 million meals to individuals facing food insecurity. He was a founding board member and Treasurer of the Grimes Community Foundation, supporting local community initiatives. Additionally, he has influenced the future of accounting education as President of the Professional Accounting Council at the University of Iowa.

About 91 Insurance

91 is a leading provider of commercial property and casualty insurance solutions for U.S.-based construction, manufacturing and healthcare businesses. Licensed in all fifty states and available through an exclusive network of elite independent agents, the company upholds an “A” (Excellent) financial strength rating, industry-leading service scores, and multiple awards for innovation. 91 has been in business for more than 100 years and is consistently named among the best places to work in the industry and throughout the nation. To learn more, visit amerisure.com

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