December 8, 2020

Glatfelter Insurance Group Appoints William Harris as President, Chief Underwriting Officer, Glatfelter Underwriting Services

Bill Harris Headshot

YORK, PA – February 18, 2021 –   Glatfelter Insurance Group (GIG), an American International Group, Inc. (NYSE: AIG) company, announced today the appointment of William Harris as President and Chief Underwriting Officer of Glatfelter Underwriting Services (GUS), effective January 1, 2021. He will report directly to James Partridge, Chief Operating Officer of Glatfelter Insurance Group. 

Mr. Harris has nearly 40 years’ experience in the insurance industry, holding multiple leadership positions in underwriting, product line management, compliance, marketing, and sales and distribution, as well as in roles with an independent insurance agency. Most recently, Mr. Harris served as Chief Underwriting Officer for AIG’s Program business.

“Bill has deep insurance industry experience and a strong track record leading successful program teams and improving underwriting results. In addition, he has served as a volunteer firefighter for more than 30 years and has held positions in local civic government—ideal experience for Glatfelter whose two largest programs specialize in products for fire and emergency service organizations and municipalities,” said Christopher Flatt, President and Chief Executive Officer of Glatfelter Insurance Group. “Bill represents our ability to bring the specialization needed to meet our clients’ unique needs and to help our distribution partners better understand and serve important niche markets.”

Mr. Harris succeeds John Solari, who is retiring from Glatfelter at the end of 2020, after 12 years with the company.

About Glatfelter Insurance Group - @glatfelterins

Glatfelter Insurance Group (GIG), an American International Group, Inc. (AIG) company, is one of the largest program managers and insurance brokers in the US with more than 500 associates serving 30,000 clients. An all-lines, full-service insurance broker, Glatfelter markets property, casualty, life, accident and health insurance products and risk management services on both a retail and wholesale specialty basis throughout the country, utilizing a network of more than 3,000 independent agents and brokers.

American International Group, Inc. (AIG) is a leading global insurance organization. AIG member companies provide a wide range of property casualty insurance, life insurance, retirement solutions, and other financial services to customers in more than 80 countries and jurisdictions. These diverse offerings include products and services that help businesses and individuals protect their assets, manage risks and provide for retirement security. AIG common stock is listed on the New York Stock Exchange.

Additional information about AIG can be found at | YouTube: | Twitter: @AIGinsurance | LinkedIn: These references with additional information about AIG have been provided as a convenience, and the information contained on such websites is not incorporated by reference into this press release.

AIG is the marketing name for the worldwide property-casualty, life and retirement, and general insurance operations of American International Group, Inc. For additional information, please visit our website at All products and services are written or provided by subsidiaries or affiliates of American International Group, Inc. Products or services may not be available in all countries and jurisdictions, and coverage is subject to underwriting requirements and actual policy language. Non-insurance products and services may be provided by independent third parties. Certain property-casualty coverages may be provided by a surplus lines insurer. Surplus lines insurers do not generally participate in state guaranty funds, and insureds are therefore not protected by such funds.