
ASI NEWS
Theresa Mason Joins ASI as President & CEO
After an extensive nationwide search, the Board of Directors of American Share Insurance (ASI) has chosen Theresa Mason as President and CEO of ASI and its affiliate company, Excess Share Insurance (ESI). Theresa will assume responsibility for American Share Insurance on April 18th, 2022.
She is replacing Dennis R. Adams, who is retiring after 36 years with the company, 31 of those as ASI’s President/CEO.

News from ASI
Theresa Mason Joins ASI as President & CEO
After an extensive nationwide search, the Board of Directors of American Share Insurance (ASI) has chosen Theresa Mason as President and CEO of ASI and its affiliate company, Excess Share Insurance (ESI). Theresa assumed responsibility for American Share Insurance on April 18th, 2022.
Industry Experience
“The Board is excited to welcome Theresa Mason as our next CEO/President,” said Libby Calderone, Board Chair. “The share insurance business is unique, and Theresa’s background as a CPA and insurance executive affords her the skills to lead this unique company. Throughout our conversations with Theresa, she stressed her collaborative and communicative leadership style. This style dovetails perfectly with the business partner focus that ASI has with its member credit unions. The board thanks Dennis Adams for his years of service to the company, and we look forward to Theresa continuing to build upon the strength of ASI.”
Theresa is a highly accomplished Executive within the Insurance industry, having spent the past 16 years in the Columbus Market with Grange Insurance and the Kansas City Life Insurance Company where she served as President of Grange Life Insurance and directed highly effective finance, operations, sales and IT teams. A Certified Public Accountant that began her career with Ernst & Young in Cleveland, Theresa also carries her CGMA (Chartered Global Management Accountant) and holds affiliations with the American Institute of Certified Public Accountants (AICPA) and the Ohio Society of CPA’s.
“I am honored to join American Share Insurance as its next Chief Executive Officer, and I look forward to working with its member credit unions.”
ASI partnered with Nick Hayes of Smith and Wilkinson’s Credit Union recruiting practice to launch a nationwide search for this unique position within the industry. “Theresa consistently proved herself as the leading candidate with her ability to focus on ASI’s value proposition, maintain a strong balance sheet, and build relationships with the fund’s Credit Union members throughout the country,” said Nick Hayes. “I’m confident in the future of American Share Insurance under Theresa’s leadership.”
American Mutual Share Insurance Corporation is a credit union-owned share guaranty corporation, organized and chartered in 1974, for the purpose of insuring the deposits of members at insured/owner state‐chartered credit unions in Ohio and other states. ASI is now the only non-federal share insurance provider for credit unions in America. Over the past 47 years, American Share has expanded from serving solely Ohio’s state-chartered credit unions to now serving state-chartered credit unions in Ohio and nine other states.