As CFO, Weiland will be responsible for overseeing Hyzon’s financial operations, including financial planning and analysis, accounting, treasury, investor relations, and IT. He brings two decades of experience that include leading financial operations as CFO, driving diverse growth capital programs, executing transactions in the cleantech sector, and implementing critical financial processes. Most recently, he served as CFO for Boom Supersonic where he was responsible for the supersonic aircraft manufacturer’s financial and information technology functions. Prior to his role at Boom, Weiland worked at Caterpillar as a Division CFO for manufacturing and engineering, digital, and procurement divisions.  

“Stephen is a veteran in leading financial teams from his time as CFO at both an early-stage technology-led company and multiple divisions at Caterpillar,” said Hyzon’s Chief Executive Officer Parker Meeks. “With a background spanning capital markets, financial services and corporate financial leadership, Stephen brings experience critical to Hyzon’s continued drive toward long-term capital stability and innovation in fuel cell-powered decarbonization.” 

Weiland’s career is rooted in accounting, having started his career in audit as a certified public accountant before transitioning to investment banking. His financial leadership and transaction experience span various industries, including transportation and emerging technology.  

“Hyzon is at the center of the hydrogen transition, developing breakthroughs in its leading fuel cell technology and deploying heavy-duty, zero-emission hydrogen fuel cell electric vehicles around the world, and I am excited to join this team,” said Weiland. “I plan to build upon the company’s recent strides in expanding the financial capabilities, forecasting, and capital management.” 

Weiland received his Bachelor of Science in Accountancy from the University of Illinois at Urbana-Champaign and his MBA from Northwestern University’s Kellogg School of Management.  

Jiajia Wu, the company’s interim CFO since April 2023, will transition to the role of Senior Vice President, Finance and Accounting. As Interim CFO, Wu successfully led Hyzon through critical financial and accounting milestones in 2023, including the filing of multiple quarterly and annual periodic reports and the implementation of vital governance and controls processes.