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February 7, 2023

The CEO Seat At Grant Thornton Will Soon Be Kept Warm By Seth Siegel

It seemed like yesterday that Brad Preber took over as interim CEO at Grant Thornton and right away had to deal with GTers freaking out after a whole bunch of people got pink slips, and now here we are talking about Preber’s upcoming retirement and who’s going to replace him as CEO.

We found out Wednesday that Preber’s successor will be Seth Siegel:

The Grant Thornton LLP Partnership Board has named Seth Siegel, 49, as the firm’s CEO-elect. Siegel will succeed Grant Thornton’s current CEO, Brad Preber, when Preber retires on July 31, 2022 after almost two decades in leadership roles at the firm.

The firm’s Partnership Board appointed Siegel, a longtime leader at Grant Thornton, following a comprehensive succession planning and search process. His appointment was subsequently ratified by the firm’s partners and principals. His term as CEO will begin on August 1, 2022.

Siegel is an experienced leader who has spent more than 25 years with Grant Thornton. He currently serves as the managing partner for South Florida, which includes offices in Miami and Fort Lauderdale. He also currently serves on the Grant Thornton Partnership Board.

Seth Siegel

Siegel has been bleeding purple since 1996 and became a partner in 2006, having briefly left GT in the late 1990s to work as a controller and a registered representative in the financial services sector, according to the firm.

He served as Grant Thornton’s Florida Audit practice leader from 2012 to 2019, with operational responsibility for the five offices in the state. In that role, he expanded the practice area and achieved exceptional revenue growth and profitability for the firm, all while providing dynamic client service to GT’s chosen markets. Siegel previously led Grant Thornton’s Florida Real Estate, Construction and Hospitality industry group.

In addition, Siegel has served on the firm’s Audit Quality Advisory Council and its inaugural Grant Thornton Experience Leadership Council, which helped the CEO and senior leadership team shape strategic and operational decisions across all service lines and geographies, according to the firm.

Preber became full-time CEO at Grant Thornton in November 2019 after being thrown into the fire the previous June following Mike McGuire stepping down to become GT’s “brand ambassador” and CEO emeritus. Preber joined Grant Thornton in 2004, after serving as a partner at Arthur Andersen. He has held numerous leadership roles at Grant Thornton, including national managing partner of the Business Risk Services practice, office managing partner in Phoenix, and chairman of the firm’s Partnership Board.

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