Sectors:

Financial Services

Mathew Tierney

Grant Thornton Advisors LLC
Head of Insurance Industry

Biography

Mathew Tierney is the Head of Insurance Industry for Grant Thornton Advisors LLC. Tierney maintains offices in both New York City and Philadelphia and oversees the firm’s go-to-market strategy for the insurance industry, which encompasses a full range of audit, assurance, tax and advisory services — and includes creating industry-centric solutions, establishing service delivery teams and ensuring quality execution for the firm’s global accounts.

Previously, Tierney served on Grant Thornton’s Partnership Board as well as on the Global Business Consulting Leadership team for Grant Thornton International Ltd. While serving on the Partnership Board of Grant Thornton, Tierney and his fellow board members helped navigate one of the largest investments in the professional services sector with an outside investment from a leading private equity firm.

Earlier in his career, Tierney was an Advisory Leader with the firm Smart LLP, where he focused on the Insurance Industry and spent time working in Bermuda, London and Germany. Smart was acquired by Grant Thornton in 2011.

Tierney currently sits on the Board of the Society of Insurance Financial Management and donates his time to local athletic organizations in his New Jersey community. He holds a bachelor’s degree in accounting from Widener University and is a graduate of Harvard Business School’s Executive Leadership Program.

Area of Expertise

Mathew Tierney serves as Head of the Insurance Industry at Grant Thornton Advisors LLC, where he leads the firm’s insurance practice and drives its strategic growth across the firm. Based in Philadelphia and New York, he oversees operations and client service delivery for one of the firm’s fastest growing industry groups. He also serves as the Global Insurance Practice Leader and is a member of the Global Business Consulting Leadership Team for Grant Thornton International.

In these roles, Mathew is focused on shaping industry-specific solutions, building high-performing teams, and delivering consistent, high-quality outcomes for global clients. His career spans roles across the United States, United Kingdom, Bermuda and Germany, where he has advised leading insurance organizations and monetary authorities. He brings deep expertise across property and casualty, life, and health insurance, with a strong track record in business transformation, operational improvement and complex systems and process reengineering.

Mathew joined Grant Thornton through the firm’s acquisition of Smart Business Advisory and Consulting in 2011 and has since played a key role in expanding its insurance capabilities. He previously served on the Board of Grant Thornton LLP and continues to contribute to the broader industry as a board member of the Society of Insurance Financial Management, a global organization of CFOs and professional services leaders focused on advancing finance within the insurance sector.

He holds a bachelor’s degree in accounting from Widener University and is a graduate of Harvard Business School’s Executive Leadership Program.

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