Isuzu Motors America LLC, PowerTrain Division, announced the appointment of Ryan Manthei to lead sales and business development.

In this role, Manthei manages sales and business development across OEM and distributor channels while supporting the continued development of the Isuzu Diesel Power Unit program.

Manthei joined Isuzu Motors America in 2025 as OEM sales manager and has contributed to strengthening relationships with OEM customers while supporting the continued growth of the division's industrial engine and power solutions business.

Manthei brings more than 20 years of experience in the industrial engine and power generation industry, with leadership roles spanning sales, application engineering, service and multi-site operations. He began his career in engineering roles focused on engine installations and applications and later advanced into senior leadership positions leading sales organizations, developing distributor networks, launching new product platforms and managing business units focused on growth and operational excellence.

"Ryan's industry experience and strong understanding of both the technical and commercial aspects of our business position him well to lead our sales strategy as we continue expanding our presence in the industrial engine market," said Ken Martin, executive director, sales and supply chain of Isuzu Motors America LLC. "We look forward to his continued contributions as we strengthen relationships with our OEM customers and distributor network."

In his role, Manthei oversees the division's dual-channel sales strategy across OEM and distributor markets. He works closely with leadership, internal teams and the distributor network to support customers and deliver the reliability, performance and support associated with the Isuzu Diesel brand.

For more information, visit isuzuengines.com.