John Diez is executive vice president and chief financial officer (CFO) for Ryder System, Inc., a leading supply chain, dedicated transportation, and fleet management solutions company. He is responsible for Ryder’s financial management functions, including finance and accounting, treasury, tax, audit, corporate strategy, and investor relations. He is a member of Ryder’s executive leadership team.
From 2019 to 2021, Mr. Diez was president of Ryder’s Fleet Management Solutions (FMS) business unit, the company's largest business segment. He led all areas of global fleet operations, which included providing full-service leasing, contract maintenance, as well as commercial rental of trucks, tractors, and trailers to customers across a variety of industries.