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Lumsden McCormick Promotes SALT Leader Mark Stack to Partner
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Subscribe08 JAN 2024 / PEOPLE UPDATES
Mark Stack, CPA, has been promoted to Partner at Lumsden McCormick, effective January 1, 2024, with a leading role in the firm's Tax Division. He offers clients expertise in State and Local Tax (SALT), and guidance on international and cross-border tax matters, reflecting Lumsden McCormick's focus on tax innovation and leadership with strong customer relationships.
Lumsden McCormick has named Mark Stack, CPA, as Partner, effective January 1, 2024, recognizing a decade of standout contributions in the firm’s Tax Division. As Practice Leader of the State and Local Tax (SALT) group, Stack advises clients on navigating the complexities of state nexus, refund claims, and multistate compliance, helping businesses stay ahead of fast-evolving tax regulations.
In addition to his SALT expertise, Stack provides guidance on international and cross-border tax matters as well as M&A due diligence consulting. He holds Series 7 and 66 licenses and serves as a referring advisor for Lumsden & McCormick Financial Services, LLC. His leadership extends beyond technical knowledge—he’s an active member of the BDO Alliance USA’s SALT Technical Group and the Convergence Coaching Transformational Leadership Program™.
A graduate of St. John Fisher College with an MBA and BS in Accounting, Stack also served as Treasurer at Dog Ears Bookstore and Café. His promotion underscores Lumsden McCormick’s continued investment in tax innovation and leadership that balances deep technical skill with strong client relationships.
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