Press Release

Great American Insurance Group Announces Leadership Promotions within its Property & Casualty Group

Great American Insurance Group logo

CINCINNATI – October 27, 2026 – Great American Insurance Group is pleased to announce the promotions of Jason M. Cohen and Aaron B. Latto to Executive Vice President and Shawn V. Los to Senior Vice President.

Mr. Cohen joined the company in 2006 as Divisional Vice President within Corporate Claims. In 2008, he transitioned to Strategic Comp, a Great American business focused on workers’ compensation insurance, and became its Divisional President in 2017. In 2020, Mr. Cohen was named Divisional Group President, and in 2022 he was promoted to Senior Vice President, overseeing most of the company’s workers’ compensation businesses. He will assume additional reporting responsibilities in his new role.  

Mr. Cohen graduated from Harvard University with a bachelor’s degree in history and earned a Juris Doctor from Stanford Law School.

Mr. Latto joined the company in 2010 and has served in several leadership roles within Corporate Claims. In 2012, he was named Senior Vice President, and in 2020 he assumed responsibility for the company’s international operations. In his expanded role, he will provide oversight for several additional specialty P&C businesses. 

Mr. Latto graduated from Carleton College with a bachelor’s degree in philosophy and earned a Juris Doctor from the University of Minnesota Law School. 

Mr. Los joined National Interstate, a member of Great American Insurance Group, in 2001 as an underwriter trainee and has held numerous leadership positions with National Interstate Insurance Company and its subsidiary, Vanliner Insurance Company, since that time. In 2022, he was named President and Chief Operating Officer of National Interstate, and in 2024 he was promoted to Divisional Group President. With this promotion, Mr. Los will assume reporting responsibilities for several more specialty P&C businesses.

Mr. Los earned a bachelor’s degree from Miami University (Ohio) and a Master of Business Administration from Baldwin Wallace University. 

These promotions underscore the company’s ongoing succession planning to ensure effective leadership transitions. Executive Vice President Michael (Mike) E. Sullivan recently announced his plans to retire in April 2027, and Divisional Group President Richard (Rich) L. Suter plans to retire at the end of 2026.

About Great American Insurance Group

Great American Insurance Group’s roots go back to 1872 with the founding of its flagship company, Great American Insurance Company. Based in Cincinnati, Ohio, the operations of Great American Insurance Group are engaged primarily in property and casualty insurance, focusing on specialty commercial products for businesses. Great American Insurance Company has received an “A” (Excellent) or higher rating from the AM Best Company for more than 115 years and is currently rated “A+” (Superior). The members of Great American Insurance Group are subsidiaries of American Financial Group, Inc. (AFG), also based in Cincinnati, Ohio. AFG’s common stock is listed and traded on the New York Stock Exchange under the symbol AFG.  

Contacts

Diane P. Weidner, IRC, CPA (inactive) 
Vice President, Investor & Media Relations
American Financial Group, Inc.

Websites

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