Joshua Mook serves as Chief Technology Officer at Hyliion Holdings Corp., where he spearheads the company's technology strategy, research and development, and innovation in advanced power generation and propulsion systems for heavy-duty applications. With more than 25 years of experience in the power, automotive, and energy sectors, Mook has established himself as a visionary leader in engineering and product commercialization. His expertise spans power conversion, electrification, and modular power systems, driving transformative solutions for sustainable mobility and energy efficiency. Prior to joining Hyliion in 2021, Mook held executive roles including Executive Vice President and Chief Technology Officer at Pioneer Power Solutions, where he led the development of next-generation microgrids and distributed power systems. Earlier, as Director of Engineering at Briggs & Stratton Power Systems, he oversaw the design and market launch of innovative standby generators and power products, earning multiple patents and contributing to revenue growth through technological advancements. Mook holds a Bachelor of Science in Electrical Engineering from the University of Wisconsin-Milwaukee and an MBA from Cardinal Stritch University. At Hyliion, Mook plays a pivotal role in advancing the company's groundbreaking KARNO linear heat generator and hybrid powertrain technologies, including the Hypertruck ERX system. His leadership has been instrumental in Hyliion's strategic shift toward fuel-agnostic power generation, accelerating commercialization efforts and positioning the company at the forefront of zero-emission heavy-duty trucking solutions. Under his guidance, Hyliion continues to innovate, delivering scalable, efficient power technologies that reduce emissions and operational costs for fleet operators worldwide.