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GA Group's Overview

Total employees305
HeadquartersCincinnati
Founded1973

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 (P&C) insurance, focusing on specialized commercial products for businesses, and is a part of American Financial Group (AFG). Great American Insurance Company has received an "A" (Excellent) or higher rating from A.M. Best Company for over 110 years, underscoring its financial strength and stability.

Where is GA Group's Headquarters?

HQ Function

The headquarters serves as the central hub for executive leadership, strategic planning, underwriting, claims processing, and administrative functions for its diverse range of specialty P&C insurance operations.

Notable Features:

The headquarters is located in the iconic Great American Tower at Queen City Square, a prominent LEED Gold certified skyscraper in downtown Cincinnati, known for its distinctive tiara-like crown. It is the tallest building in Cincinnati.

Work Culture:

The work culture at Great American Insurance Group's headquarters is professional and collaborative, emphasizing expertise, integrity, and customer-centric service. It reflects the company's long-standing history and commitment to financial stability and ethical practices in the insurance industry. The modern facilities contribute to a productive and engaging work environment.

HQ Significance:

The headquarters signifies Great American Insurance Group's strong presence in Cincinnati, its historical roots in the city, and its status as a leading specialty P&C insurer. The landmark building also reflects the company's financial strength and commitment to the community.

Values Reflected in HQ: The modern, sustainable (LEED Gold), and prominent headquarters reflects values such as financial strength, innovation, long-term vision, community commitment, and environmental responsibility.

Location:

Great American Insurance Group primarily focuses on specialized commercial property and casualty insurance products. While its core operations are in the United States, it maintains a global presence with offices and operations in Canada, Europe (notably the United Kingdom and EU locations through its Dublin-based DAC), and Singapore, enabling it to serve businesses with international exposures and access diverse insurance markets.

Street Address:

301 E Fourth Street

City:

Cincinnati

State/Province:

Ohio

Country:

USA

GA Group's Global Presence

Schaumburg, IL, USA

Address: 1400 E. American Lane, Schaumburg, IL 60173 (Illustrative - verify specific suite/building if needed)

Supports brokers and clients across the Midwestern United States, enhancing service delivery and market presence in this key region.

London, United Kingdom

Address: 3rd Floor, 30 Fenchurch Street, London, EC3M 3BD, UK (Great American International Insurance (UK) Limited)

Provides access to the UK and broader European insurance markets, serving international clients and brokers.

New York, NY, USA

Address: One Liberty Plaza, 165 Broadway, New York, NY 10006 (Illustrative - verify specific suite if needed)

Serves the critical Northeast U.S. market and the New York financial district, providing specialized insurance solutions.

Buying Intent Signals for GA Group

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Executive Team of GA Group

As of April 2025, GA Group' leadership includes:

Carl H. Lindner III - Chairman, Great American Insurance Company & Co-CEO, American Financial Group
S. Craig Lindner - Co-Chairman, Great American Insurance Company & Co-CEO, American Financial Group
David L. Thompson Jr. - Executive Vice President and Chief Operating Officer, Great American Insurance Group
Gary T. Gruber - Senior Vice President and Chief Financial Officer, Great American Insurance Group
Mark R. Lonneman - Executive Vice President, Great American Insurance Group

Investors of GA Group

GA Group has been backed by several prominent investors over the years, including:

American Financial Group, Inc. (NYSE: AFG) - Parent Company
The Vanguard Group (Major institutional shareholder of AFG)
BlackRock, Inc. (Major institutional shareholder of AFG)
State Street Corporation (Major institutional shareholder of AFG)

Executive New Hires/Exits in the Last 12 Months

Hire3
Exits0

In early 2024, Great American Insurance Group announced several key internal promotions to divisional president and senior leadership roles, highlighting its focus on developing talent from within. No major high-profile executive departures have been publicly announced in the last 12 months.

New Appointments:

Robert (Bob) A. Dee, Robert (Bob) A. Dee appointed President of National Interstate Company, following a promotion.
James (Jim) L. Diven, James (Jim) L. Diven appointed Divisional President of the Bond Division, following a promotion.
Frank S. Somma, Frank S. Somma appointed Divisional President of the Property & Inland Marine Division, following a promotion.

Technology (Tech Stack) used by GA Group

Discover the tools GA Group uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

GA Group Email Formats and Examples

Great American Insurance Group commonly uses the email format of the first initial followed by the last name. Variations might exist within different departments or for specific roles. Always verify the email address if possible before sending critical communications.

[first_initial][last_name]@gaig.com

Format

jsmith@gaig.com

Example

90%

Success rate

News and media

Business WireFebruary 7, 2024

American Financial Group, Inc. Reports Fourth Quarter and Full Year 2023 Results (Parent Company of Great American Insurance Group)

American Financial Group, Inc. (NYSE: AFG) announced its financial results for the fourth quarter and full year ended December 31, 2023, detailing strong performance in its Specialty P&C insurance operations, primarily conducted through Great American Insurance Group....more

Business WireJanuary 22, 2024

Great American Insurance Group Announces Key Promotions

Great American Insurance Group announced several key promotions, including Robert (Bob) A. Dee to President of National Interstate Company, James (Jim) L. Diven to Divisional President (Bond Division), and Frank S. Somma to Divisional President (Property & Inland Marine Division), effective immediately....more

Great American Insurance Group NewsAugust 17, 2023

A.M. Best Affirms “A+” (Superior) Financial Strength Rating for Members of Great American Insurance Group

A.M. Best affirmed the Financial Strength Rating (FSR) of “A+” (Superior) and the Long-Term Issuer Credit Ratings (Long-Term ICR) of “aa-” (Superior) for the members of Great American Insurance Group. The outlook for these Credit Ratings (ratings) is stable. This marks over 110 years of an "A" rating or higher from A.M. Best....more

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