Mr. Shimer served as interim chief executive officer of Deloitte, an accounting firm, in 2022 and 2023. He also served as U.S. chief operating officer, chief financial officer, chair of the Deloitte U.S. operating committee, member and chair of the U.S. executive committee, and Seattle managing partner. He has been responsible for operational performance, evaluating major investments including acquisitions, joint ventures, technology, and innovation and driving strategic choices in cost leadership across the organization. Mr. Shimer has experience advising C-suite, corporate boards and audit committees on complex business matters, including strategy development, acquisitions/divestitures, financial accounting and reporting, governance, risk management, and compliance matters.