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Ryder Miami Headquarters Front

John J. Diez

President, Dedicated Transportation Solutions


John Diez

John J. Diez is President of Dedicated Transportation Solutions (DTS) for Ryder System, Inc., a Fortune 500 commercial fleet management and supply chain solutions company, and a member of Ryder’s Executive Leadership Team. He is 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 this role, Mr. Diez held the title of Senior Vice President of Ryder Dedicated, and prior to that, he 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.

He 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 Fleet Management Solutions 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 currently serves on the board of the American Red Cross, Greater Miami & the Keys Chapter. He is a 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.