Thomas B. Okray 

Thomas “Tom” B. Okray serves as Chief Financial Officer (CFO) of Nikola Corporation, a global leader in zero-emissions transportation and energy supply and infrastructure solutions.  

Okray joined Nikola from Eaton, where he held the position of Executive Vice President (EVP) and CFO. He also served as Senior Vice President and CFO of Grainger and as EVP and CFO of Advance Auto Parts. Prior to that role, he held Vice President positions at Amazon.

At General Motors, Okray started as a Senior Analyst and eventually rose to the position of CFO of Global Product Development, Purchasing and Supply Chain. In this capacity, he provided financial leadership for research and development, engineering operations, procurement, supply chain, capital, future portfolio strategy, future vehicle and powertrain projects, and third-party alliances. Okray also served as CFO of Global Product Development, Executive Director of Product Development in Asia and Europe, and Vice President of the Fiat-GM Powertrain joint venture, among other positions at Opel.

Okray serves on the board of directors of Flowserve Corporation (NYSE:FLS), The Cleveland Orchestra, and The City Mission.

Okray is a graduate of Michigan State University, with a bachelor’s degree in chemical engineering. He earned a Master of Business Administration (MBA) with concentrations in finance, statistics, production and operations, and business policy from the University of Chicago.