Yokohama Tire names COO, vice presidents

Yokohama Tire Corporation has named Jim MacMaster as chief operating officer. MacMaster will also retain his current title of executive vice president of the business division, and will have day-to-day authority over all aspects of YTC’s business operations.

Yokohama Tire also promoted Jim Quinn from director of operations to vice president, operations; Dan King from vice president, sales to vice president, sales and marketing; Mark Chung from director of strategic marketing to director of corporate strategy and planning; and Jim Mayfield from director of ADVAN to director of business development.