SRNA Promotes Stewart, de Rosales

June 10, 2025

Sumitomo Rubber North America Inc. (SRNA) has promoted Cliff Stewart and Christopher de Rosales to associate vice president roles.

Stewart will hold the title for four-wheel replacement sales, while de Rosales will serve as associate vice president of strategic planning.

Stewart has learned the replacement side of the business and built relationships with customers while creating new disciplines within the commercial truck, passenger and light truck tires team. He has more than two dozen years of experience in the automotive industry, and has held positions in business development, marketing, OE sales management, and as director of passenger car and light truck tires as well as director of commercial truck tires.

“His results-oriented focus is well established and will help SRNA achieve its goals,” says Darren Thomas, SRNA’s CEO and president. “His competitiveness and ability to fight fiercely in the market is necessary to thrive despite the endless number of market challenges we face daily.”

De Rosales is a 13-year veteran at SRNA and most recently served as director of market intelligence. SRNA says his work and "mastery of data, competitors and strategy ... significantly contributed to SRNA's success." He will be responsible for creating, planning and executing longer-term goals for the business.

“In parallel to Cliff, Chris is also responsible for leading our strategy on a year-by-year basis as we drive sales to near-term goals,” says Thomas. “Considering the addition of Dunlop passenger car tires, Chris’ expertise, experience and participation are vital to SRNA’s success.”