Yokohama Tire Corporation’s ^[1]vice president and chief operating officer Jim MacMaster will retire June 30 after 39 years in the tire industry. MacMaster joined Yokohama in 1981 and says one of his proudest moments at the company was the acquisition and expansion of the Salem, Virginia, facility. During his time at Yokohama, MacMaster brought the company from $30 million a year to $1 billion a year.