Jason Girzadas serves as the Chief Executive Officer of Deloitte US, which stands as the largest professional services organization in the United States. Under his leadership, Deloitte's more than 180,000 professionals deliver industry-leading audit, consulting, tax, and advisory services to a significant portion of the world’s most admired brands, including nearly 90% of the Fortune 500® and over 9,000 U.S.-based private companies.