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Ryder Miami Headquarters Front

John J. Diez

President, Fleet Management Solutions


John J. Diez is President of Fleet Management Solutions (FMS) for Ryder System, Inc., a leading commercial fleet management, dedicated transportation, and supply chain solutions company, and a member of Ryder’s Executive Leadership Team. In this role, Mr. Diez is responsible for leading all areas of global business operations for the company's largest business segment, providing full-service leasing, contract maintenance, as well as commercial rental of trucks, tractors, and trailers to customers of all sizes and from across virtually every industry.

Previously, Mr. Diez was President of Ryder’s Dedicated Transportation Solutions (DTS) business unit where he was responsible for setting the strategic direction of DTS, which combines vehicles, drivers, and administrative services with drivers and additional value-added services, all dedicated to a specific customer.

Prior to that role, Mr. Diez held the title of Senior Vice President of Ryder Dedicated. He also served as Senior Vice President of Asset Management, in which he led all aspects of strategy, operations, capital and operating planning, and corporate compliance for the commercial rental, used vehicle sales and strategic sourcing organizations.

Mr. Diez joined Ryder as Assistant Controller in 2002, a position he held for five years. In 2007, he was promoted to Vice President and Chief Financial Officer for the FMS business segment and named an officer. A year later, he was appointed Senior Vice President of Global Field Finance, a position he held for three years. Mr. Diez spent eight years in the audit practice of KPMG LLP prior to joining Ryder.

He is a member of the Board of Directors for Trinity Industries, Inc. (NYSE: TRN). A licensed Certified Public Accountant (CPA) in the state of Florida and a member of the American Institute of CPAs, Mr. Diez earned both his Bachelor of Science and Master of Science in Accounting from Florida International University.