After nearly 30 years at Grant Thornton, Seth Siegel has announced his decision to step down as CEO. During his tenure, Siegel spearheaded transformational initiatives that emphasized quality and prioritizing the firm's people. As he transitions to a Senior Advisor role, Siegel leaves a legacy of significant achievements that have positioned the firm for long-term success. Reflecting on his journey, Siegel expressed gratitude for his time at Grant Thornton and shared plans to focus on other aspirations, personal well-being, and spending more time with his family. The firm has extended heartfelt thanks to Siegel for his exceptional leadership and dedication to its growth and culture.
Succeeding Siegel as CEO is Jim Peko, Grant Thornton’s Chief Operating Officer and a longtime Principal. Peko, who has been instrumental in driving the firm’s strategic success, expressed appreciation for Siegel’s mentorship and guidance. As CEO, Peko is committed to advancing the firm’s strategy, fostering its culture, and ensuring quality to sustain its momentum. He emphasized the importance of maintaining Grant Thornton’s status as an employer of choice while pursuing new growth opportunities. Siegel endorsed Peko as the ideal leader for this next chapter, stating, “Jim and I have worked closely together for many years, and he is the right leader for this new chapter—one who knows Grant Thornton well and has been integral to our many recent accomplishments and our quality-focused delivery. I have called Grant Thornton home for almost three decades and am proud to have been part of this amazing team and organization, which has solidified its standing as the destination of choice for clients and talent alike.”
