Kim O’Connor named Grant Thornton’s Boston Office Managing Partner


BOSTON — Grant Thornton LLP has named Kim O’Connor as the office managing partner in Boston.

“New England is a dynamic market that is well-positioned for continued growth across all of our service lines,” said David Platt, Northeast regional managing partner at Grant Thornton LLP. “Kim’s passion for growing our practice across New England and sincere interest in our people make her the perfect leader for our Boston office.”

O’Connor joined Grant Thornton in 2004. As an assurance partner, she specializes in working with public and private international companies in the life sciences and consumer industrial products industries. She serves as a relationship partner to many clients, ensuring Grant Thornton is creating innovative solutions, and helping clients stay ahead of shifting complexities as they grow.

In addition to her client work, O’Connor is passionate about people and culture. She has served on numerous national committees and business resource groups in her tenure at Grant Thornton – helping define and support the firm’s collaborative culture and related employee programs. She has also led dozens of leadership workshops for clients, prospective clients and employees.

Prior to joining Grant Thornton, O’Connor spent 16 years at a large professional services firm, serving as both an audit and consulting partner. She is a certified public accountant (CPA) in Massachusetts and Pennsylvania, and a member of the American Institute of Certified Public Accountants (AICPA). She is a recipient of the Elijah Watt Sells Award, which recognizes outstanding performance on the Uniform CPA Examination® by the AICPA, and she received her bachelor’s degree in economics from the Wharton School.



About Grant Thornton

“Grant Thornton” is the brand for two professional-services entities: Grant Thornton LLP, a licensed, certified public accounting (CPA) firm that provides audit and assurance services ― and Grant Thornton Advisors LLC (not a licensed CPA firm), which exclusively provides non-attest offerings, including tax and advisory services. With revenues of $2.4 billion for the fiscal year that ended July 31, 2023, and dozens of offices nationwide, Grant Thornton represents a community of more than 9,000 problem solvers, relationship builders, and industry specialists who know that how we serve matters as much as what we do.


Grant Thornton LLP, Grant Thornton Advisors LLC and their respective subsidiaries operate as an alternative practice structure (APS). The APS conforms with applicable laws, regulations and professional standards, including those from the American Institute of Certified Public Accountants.


Grant Thornton LLP and Grant Thornton Advisors LLC serve as the U.S. member firms of the Grant Thornton International Ltd (GTIL) network. GTIL and its member firms are not a worldwide partnership and all member firms are separate legal entities. Member firms deliver all services; GTIL does not provide services to clients.




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